WorldWideScience

Sample records for hotel los angeles

  1. Los Angeles og San Francisco

    DEFF Research Database (Denmark)

    Ørstrup, Finn Rude

    1998-01-01

    Kompendium udarbejdet til en studierejse til Los Angeles og San Francisco april-maj 1998 Kunstakademiets Arkitektskole, Institut 3H......Kompendium udarbejdet til en studierejse til Los Angeles og San Francisco april-maj 1998 Kunstakademiets Arkitektskole, Institut 3H...

  2. Working Smart: The Los Angeles Workplace Literacy Project. Final Report.

    Science.gov (United States)

    Los Angeles Unified School District, CA. Div. of Adult and Occupational Education.

    The Working Smart workplace literacy project was sponsored by a public school district and several profit and nonprofit companies and conducted for the hotel and food industry in the Los Angeles area. Literacy instruction was merged with job requirements of the customer service job classifications. Videodisc courseware was developed, as were…

  3. Geomorphological Hazards in Los Angeles

    Science.gov (United States)

    Hadley, Richard F.

    This is a topical book that deals with the geomorphological and geological engineering problems associated with hillslope processes and sediment transport in the Los Angeles metropolitan area. There are few large cities in the United States where the problems of urban growth include such a distinctive physical environment, as well as the potential hazards of brush fires, earthquakes, and floods that occur in Los Angeles. The research and data used in the book are restricted to Los Angeles County and cover the period 1914-1978. The author has done a commendable job of synthesizing a large mass of data from diverse sources, including federal, state, and local agency reports, plus data from private groups such as professional technical societies and consultants.

  4. Los Angeles Beach Harbors, Los Angeles County, California.

    Science.gov (United States)

    1974-10-01

    offshore. Also, several rich morine fossil localities am found in the Sen Pedro area. 18 4 3. RELATIONSHIP OF THE PROPOSED ACTION TO LAND USE PLANS 3.1...REGIONAL PLANNING COMMISSION ARTHUR J- BAUM PUTY DIRCTORCHAIRMAN D 320 WEST TEMPLE STREET OWEN H LEWIS EDGAR T IRVINE DEPUTY DIRECTOR LOS ANGELES

  5. Hangar con alas, Los Angeles

    Directory of Open Access Journals (Sweden)

    Editorial, Equipo

    1961-04-01

    Full Text Available Formando parte de su programa, la TWA ha construido recientemente un hangar para servicio y reparaciones de su flota aérea de naves ordinarias y de aviones de reacción en el aeropuerto internacional de Los Angeles (Estados Unidos. El proyecto de esta obra se encargó a la empresa constructora Holmes & Narver, Inc.

  6. Trouble Brewing in Los Angeles. Policy Brief

    Science.gov (United States)

    Buck, Stuart

    2010-01-01

    The city of Los Angeles will face enormous budgetary pressures from the growing deficits in public pensions, both at a state and local level. In this policy brief, the author estimates that Los Angeles faces a total $152.6 billion liability for pensions that are underfunded--including $49.1 billion for the city pension systems, $2.4 billion for…

  7. de los hoteles españoles

    Directory of Open Access Journals (Sweden)

    Enrique Claver Cortés

    2007-01-01

    Full Text Available Los hoteles necesitan cada vez más información para su correcta gestión y para maximizar su desempeño o éxito empresarial. De esta forma, en este estudio se analizan una serie de variables estratégicas clave que influyen directamente sobre el desempeño hotelero. Estas variables son el tamaño, el tipo de gestión y la categoría de los hoteles. En este trabajo, empleando la teoría de los grupos estratégicos, se han agrupado los hoteles españoles de entre 3 a 5 estrellas en función de cada una de estas variables estratégicas con el objetivo de determinar si influyen significativamente sobre el desempeño hotelero y en qué sentido. Entre los resultados que se han obtenido destacan el hecho de que a mayor tamaño y categoría, mayor es el desempeño que alcanzan los hoteles. Así mismo, los hoteles que pertenecen a cadenas alcanzan niveles de desempeño mayores que los independientes. Por lo tanto, de esta investigación se deducen importantes implicaciones para la dirección hotelera.

  8. The Effects of Los Angeles Universal Preschool on Quality Preschool Teacher Retention in Los Angeles County

    Science.gov (United States)

    Lopez Stevens, Holly Anne

    2010-01-01

    The purpose of this study was to determine if the implementation of Los Angeles Universal Preschool (LAUP) programs has a positive effect on the retention of quality preschool teachers in Los Angeles County. In prior work, preschool teacher retention is associated with wages, program structure, program process, professional development, and…

  9. Los Angeles Settles ACLU Suit on Layoffs

    Science.gov (United States)

    Sawchuk, Stephen

    2010-01-01

    A settlement crafted last week seeking to curb the use of seniority as a factor in teacher layoffs in the Los Angeles school system could become one of the nation's most far-reaching overhauls of the "last hired, first fired" policies common in school districts. If approved by a judge, the settlement would shield up to 45 low-performing…

  10. Race, Reading, and Proverty in Los Angeles

    Science.gov (United States)

    Payne, Joseph F.

    1971-01-01

    Correlation analysis of reading score rankings of all the elementary, unified, and high school districts in Los Angeles County discloses a strong negative relation between proportion of minority students and rank, and proportion of students receiving welfare aid and rank. (JM)

  11. 76 FR 13017 - Environmental Impact Statement: Los Angeles County, CA

    Science.gov (United States)

    2011-03-09

    ... Federal Highway Administration Environmental Impact Statement: Los Angeles County, CA AGENCY: Federal... Environmental Impact Statement will be prepared for a proposed highway project in Los Angeles County, California... Environmental Impact Statement on a proposal for the State Route 710 Gap North Closure project in Los Angeles...

  12. Latinas Crafting Sustainability in East Los Angeles

    OpenAIRE

    Guajardo, Ana

    2010-01-01

    East Los Angeles has historically been recognized as a center for political and cultural activity with roots in the Chicana/o civil rights movement. Since 1970, Self Help Graphics and Art (SHG) opened its doors to many artists who later entered the art market and formed the canon of Chicana/o visual artists that today continue to exhibit at major museums. While infamous for its printmaking studio and gallery, this cultural space has long been home to events where generations of artists work...

  13. Coca-Cola Hispanic Education Fund: Los Angeles Program Description.

    Science.gov (United States)

    Coca Cola Bottling Co. of Los Angeles, CA.

    The Coca-Cola Hispanic Education Fund was created in response to the high school dropout problem in Los Angeles. The Fund enables the Coca-Cola Bottling Company of Los Angeles to build upon the successful relationship it has developed in the Hispanic community and maximizes the effectiveness of existing student support programs by directing needy…

  14. Dialect Contact among Spanish-Speaking Children in Los Angeles

    Science.gov (United States)

    Villarreal, Belen MacGregor

    2014-01-01

    As an immigration hub for a diverse group of Spanish speakers, Los Angeles lends itself to research on dialect contact and leveling. Studies regarding the Spanish spoken by natives of Los Angeles reveal considerable homogeneity with respect to pronunciation, vocabulary and terms of address. This uniformity is notable because two different dialect…

  15. Los Angeles-Long Beach Harbor Areas Regional Cultural History, Los Angeles County, California,

    Science.gov (United States)

    1978-04-01

    dredging and wharf fresh fish for the tables of southern construction began, and in 1915 construction Californians . Located at Berths 79 and 80, the began...deal of is extremely visible, and its architectural style complaint. Wholesalers in !he building today embodies the best features of its time. Further...detailing, and rounded corners. This architectural style was popular in Los Angeles in the late 1920’s to the early 1940’s; however, few examples remain

  16. Los Angeles-Long Beach Harbor Areas Cultural Resource Survey, Los Angeles County, California,

    Science.gov (United States)

    1978-04-01

    at Long Beach. (1937) U.S Army Corps of Enginer, Los Angeles District Looking wed over Long Beach Harbor toward Wilmington and Terminal Island Salt fht...surrounding the bell pavilion in traditional guns. An excellent description of the Korean style. If the three bunkers and the emplacements appears in the...Coincident with the opening of But the killing produced a wave of the Panama Canal the resentment along the coast, and huge funeral American- Hawaiian

  17. Edificio de archivos en Los Angeles

    Directory of Open Access Journals (Sweden)

    Neutra & Alexander, Arquitectos

    1963-07-01

    Full Text Available The 80th birthday of Richard Neutra coincides with the completion of this building, a special feature of which is that it has 13 half-floor levels, thus saving space and making it easier to reach the documents. Besides housing the Territorial Archives Office, it accommodates the Territorial Testing Dept., Regional Planning Committee and Territorial Library. 40 ms high rotary sun shields are fitted, made of aluminium. They are controlled automatically by electronic devices, motivated by the solar action, and are thus correctly orientated at any time to provide protection against sun glare. They close altogether when the wind speed is such that they might be damaged. On the main facade looking towards Temple Street, the plastic arts organisation has contributed a large mosaic by Joseph Young, showing a map of the district. This archives building in Los Angeles is a fine exponent of what technology can do for man, and it is a characteristic example of contemporary organic architecture at its best.El principio de la octava década de Neutra coincide con la terminación del edificio, cuya sección nos ofrece trece medias plantas, para economizar espacio y facilitar el alcance de los documentos. Aloja, además de la Oficina Territorial de Archivos, otras varias: Departamento Territorial de Pruebas, Comisión de Planificación Regional y Biblioteca Territorial. Unos «brise-soleils» giratorios, de aluminio, de 40 m de altura, que funcionan automáticamente —controlados por un cerebro electrónico— bajo la acción solar, proporcionan la orientación «adecuada» en cada momento y protegen del brillo lateral, cerrándose cuando el viento sopla con una velocidad que puede serles perjudicial. Como aportación de las Artes Plásticas aparece en la fachada principal, que da a la calle Temple, un gran mosaico, de Joseph Young, del mapa del territorio. Este edificio de archivos en Los Angeles constituye un claro exponente en el que la, técnica est

  18. 78 FR 68135 - Environmental Impact Statement: Los Angeles County, California

    Science.gov (United States)

    2013-11-13

    ... Podesta, California Department of Transportation (Caltrans), 100 S. Main Street, Los Angeles, CA 90012, telephone (213) 897-0309 and tami_podesta@dot.ca.gov . SUPPLEMENTARY INFORMATION: Effective July 1,...

  19. Los Angeles, California Tsunami Forecast Grids for MOST Model

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The Los Angeles, California Forecast Model Grids provides bathymetric data strictly for tsunami inundation modeling with the Method of Splitting Tsunami (MOST)...

  20. Los Angeles Area Permit Holder Estimated Trash Load Reduction

    Data.gov (United States)

    U.S. Environmental Protection Agency — The Los Angeles River has been designated as an impaired waterbody due to the large volume of trash it receives from the watershed. To address this problem a Total...

  1. 76 FR 53115 - Expansion of Foreign-Trade Zone 202; Los Angeles, CA

    Science.gov (United States)

    2011-08-25

    ... Foreign-Trade Zones Board Expansion of Foreign-Trade Zone 202; Los Angeles, CA Pursuant to its authority... City of Los Angeles, grantee of Foreign-Trade Zone 202, submitted an application to the Board for authority to expand FTZ 202 to include a site in Los Angeles, California, within the Los Angeles/Long...

  2. 76 FR 70051 - Establishment of Class D and Amendment of Class E Airspace; Los Angeles, CA

    Science.gov (United States)

    2011-11-10

    ...; Los Angeles, CA AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. SUMMARY: This action establishes Class D airspace at Los Angeles International Airport, Los Angeles, CA. Controlled airspace is necessary to contain potential missed approaches at Los Angeles International Airport....

  3. 77 FR 43656 - BNSF Railway Company-Abandonment Exemption-in Los Angeles County, CA

    Science.gov (United States)

    2012-07-25

    ... Surface Transportation Board BNSF Railway Company--Abandonment Exemption--in Los Angeles County, CA BNSF... Angeles County Metropolitan Transportation Authority (LACMTA), between milepost 7.95 (just north of West... the City of Los Angeles, Los Angeles County, Cal. (the line). The line traverses United States...

  4. Professional Identity at Los Angeles College of Chiropractic.

    Science.gov (United States)

    Kimura, Melissa Nagare; Russell, Robb; Scaringe, John

    2016-12-01

    The objective of this article is to describe chiropractic professional identity as espoused by the Los Angeles College of Chiropractic. Professional identity is a construct that begins formation prior to career selection, can be considered the backbone of health care education, and has been linked to career success. Los Angeles College of Chiropractic's professional identity is shaped by a philosophy of health care that is focused on vitalism, holism, naturalism, therapeutic conservatism, critical rationalism, phenomenology, humanism, and interprofessionalism. Other distinguishing aspects include portal-of-entry professionals with broad diagnostic skills; a focus on spine care; promotion of public-health; and delivery of manual treatments. The chiropractic professional identity at the Los Angeles College of Chiropractic focuses on serving the needs of the people who entrust their health to its graduates and will continue to evolve on the basis of many factors, such as politics, social perceptions, and economic conditions.

  5. Communities and Plants in Los Angeles Urban Gardens

    Directory of Open Access Journals (Sweden)

    Pierrette Hondagneu-Sotelo

    2011-06-01

    Full Text Available The gardens of Los Angeles are vast and diverse, and for several years now, I have been immersed in them. These include public parks, private residential gardens, an elite botanical garden and urban community gardens. I’m trying to discern what it means to go into these gardens, to labor in them, and to be associated with them in both imagination and practice. As a sociologist, my point of departure is that gardens are not isolated oases, but serve as windows that reveal the changing social and cultural landscape of Los Angeles.

  6. 77 FR 25739 - Notice of Inventory Completion: Fowler Museum at UCLA, Los Angeles, CA

    Science.gov (United States)

    2012-05-01

    .... ADDRESSES: Wendy G. Teeter, Ph.D., Curator of Archaeology, Fowler Museum at UCLA, Box 951549, Los Angeles... contact Wendy G. Teeter, Ph.D., Curator of Archaeology, Fowler Museum at UCLA, Box 951549, Los Angeles, CA...

  7. The Los Angeles Experience in Monitoring Desegregation: Progress and Prospects.

    Science.gov (United States)

    King, Nicelma J.

    1980-01-01

    Presents a case analysis of the role of the Los Angeles (California) School Monitoring Committee in the implementation of school desegregation. Demonstrates how citizen monitoring advisory committees work in desegregated settings and discusses the challenges, problems, and opportunities they are likely to face. (Author/MK)

  8. Los Angeles School Board Race Shatters Spending Records

    Science.gov (United States)

    Maxwell, Lesli A.

    2013-01-01

    The price tag to win a seat in this week's primary election for the Los Angeles school board climbed to unprecedented levels, as a massive influx of outside cash has turned a local campaign into a national showdown pitting the long-standing influence of teachers' unions against the expanding imprint of deep-pocketed education activists. The high…

  9. Drop Out Patterns in the East Los Angeles Community College

    Science.gov (United States)

    Waktola, Daniel K.

    2014-01-01

    This study attempted to analyze the drop out problem from spatial perspectives within the context of East Los Angeles Community College, California. Selected urban land-use types, which positively and negatively influence the propensity to drop out or persist-in colleges, were selected and captured during a global positioning system (GPS)-based…

  10. Food Buying Practices of Mexican Americans in East Los Angeles.

    Science.gov (United States)

    Lewis, Jane S.; And Others

    As part of a pilot study of the nutritional status of Mexican American preschool children attending Head Start in East Los Angeles in the spring of 1969, questions were asked concerning their families' buying and food practices. This paper reports on the information obtained from the 21 questionnaires which were returned. Answers to the following…

  11. 76 FR 86 - Expansion/Reorganization of Foreign-Trade Zone 202, Los Angeles, CA

    Science.gov (United States)

    2011-01-03

    ... Foreign-Trade Zones Board Expansion/Reorganization of Foreign-Trade Zone 202, Los Angeles, CA Pursuant to... Commissioners of the City of Los Angeles, grantee of Foreign-Trade Zone 202, submitted an application to the Board for authority to reorganize and expand FTZ 202 in the Los Angeles, California area, within...

  12. 77 FR 25743 - Notice of Inventory Completion: Fowler Museum at UCLA, Los Angeles, CA

    Science.gov (United States)

    2012-05-01

    ... National Park Service Notice of Inventory Completion: Fowler Museum at UCLA, Los Angeles, CA AGENCY.... Teeter, Ph.D., Curator of Archaeology, Fowler Museum at UCLA, Box 951549, Los Angeles, CA 90095-1549... of human remains in the possession of the Fowler Museum at UCLA, Los Angeles, CA. The human...

  13. 76 FR 35946 - BNSF Railway Company-Abandonment Exemption-in Los Angeles County, CA.

    Science.gov (United States)

    2011-06-20

    .... 477X] BNSF Railway Company--Abandonment Exemption--in Los Angeles County, CA. On May 31, 2011, BNSF... over 4.85 miles of rail line owned by Los Angeles County Metropolitan Transportation Authority (LACMTA..., just east of the Santa Anita Blvd. grade crossing, in Arcadia, in Los Angeles County, CA (the...

  14. 33 CFR 110.214 - Los Angeles and Long Beach harbors, California.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Los Angeles and Long Beach... HOMELAND SECURITY ANCHORAGES ANCHORAGE REGULATIONS Anchorage Grounds § 110.214 Los Angeles and Long Beach... the Captain of the Port Los Angeles-Long Beach, the pilot stations for the Port of Long Beach and...

  15. 76 FR 36148 - Notice of Inventory Completion: Fowler Museum at UCLA, Los Angeles, CA

    Science.gov (United States)

    2011-06-21

    ... National Park Service Notice of Inventory Completion: Fowler Museum at UCLA, Los Angeles, CA AGENCY... UCLA, Box 951549, Los Angeles, CA 90095-1549, telephone (310) 825- 1864. SUPPLEMENTARY INFORMATION... Fowler Museum at UCLA, Los Angeles, CA. The human remain was removed from Humboldt County, CA....

  16. 40 CFR 81.17 - Metropolitan Los Angeles Air Quality Control Region.

    Science.gov (United States)

    2010-07-01

    ... Quality Control Regions § 81.17 Metropolitan Los Angeles Air Quality Control Region. The Metropolitan Los Angeles Air Quality Control Region consists of the following territorial area (including the territorial... 40 Protection of Environment 17 2010-07-01 2010-07-01 false Metropolitan Los Angeles Air...

  17. 40 CFR 52.229 - Control strategy and regulations: Photochemical oxidants (hydrocarbons), Metropolitan Los Angeles...

    Science.gov (United States)

    2010-07-01

    ...: Photochemical oxidants (hydrocarbons), Metropolitan Los Angeles Intrastate Region. 52.229 Section 52.229... oxidants (hydrocarbons), Metropolitan Los Angeles Intrastate Region. (a) (b) The following rules are... and approved for the SIP, remain federally enforceable: (1) Los Angeles County APCD, Regulation IV...

  18. Aldo Manuzio a Los Angeles. La collezione Ahmanson-Murphy all'University of California Los Angeles

    Directory of Open Access Journals (Sweden)

    Angela Nuovo

    2016-01-01

    L'articolo ricostruisce le fasi della sua formazione e catalogazione, inquadrandola nel contesto delle maggiori collezioni di libri antichi presenti a Los Angeles. Franklin D. Murphy (1916-1994, sesto Chancellor di UCLA, spicca come il vero motore di questa grande impresa culturale.

  19. Microbial keratitis in los angeles: the doheny eye institute and the los angeles county hospital experience.

    Science.gov (United States)

    Sand, Daniel; She, Rosemary; Shulman, Ira A; Chen, David S; Schur, Mathew; Hsu, Hugo Y

    2015-05-01

    To evaluate the spectrum and antibiotic susceptibility panel of infectious keratitis at a major tertiary care referral eye center and a major county hospital in Southern California. Retrospective case series. All cultured infectious keratitis cases from July 1, 2008, through December 31, 2012, from the Doheny Eye Institute (DEI) and the Los Angeles County + University of Southern California Medical Center (LAC+USC) were evaluated. Microbiology records were reviewed retrospectively. Microbial isolates as well as antibiotic susceptibility patterns were analyzed. One hundred eighty-four (63%) of 290 cases showed positive culture results at DEI and 152 (82%) of 186 cases showed positive culture results at LAC+USC. Gram-positive pathogens were found to be the most common at both DEI (70%) and LAC+USC (68%), with coagulase-negative Staphylococcus being the most common gram-positive organism (58% at DEI and 44% at LAC+USC). Pseudomonas aeruginosa was the most common gram-negative organism (57% at DEI and 43% at LAC+USC). Ciprofloxacin and levofloxacin susceptibility for all tested pathogens was 73% at DEI and 81% at LAC+USC (P = 0.16). Oxacillin-resistant Staphylococcus aureus (ORSA) was found in 42% of cases at DEI and in 45% of cases at LAC+USC (P = 1.00). There is no significant difference in the spectrum of pathogens or antibiotic susceptibility of pathogens at DEI versus LAC+USC, and ORSA was found in approximately half of all S. aureus samples. Copyright © 2015 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved.

  20. Union Oil Center - Los Angeles (USA

    Directory of Open Access Journals (Sweden)

    Pereira y Luckman, Arquitectos

    1959-05-01

    Full Text Available Un nuevo acento vertical, en la más horizontal de las ciudades del mundo —Los Angeles—, se ha acabado recientemente: el "Union Oil Center", conjunto arquitectónico que expresa un estilo lleno de utilidad, fuerza y belleza.

  1. 77 FR 66499 - Environmental Impact Statement: San Bernardino and Los Angeles Counties, CA

    Science.gov (United States)

    2012-11-05

    ... Federal Highway Administration Environmental Impact Statement: San Bernardino and Los Angeles Counties, CA... in San Bernardino and Los Angeles Counties, California. DATES: The public scoping meetings will be... Angeles/San Bernardino County line in the City of Pomona (Post Mile 46.12) to Ford Street in the City...

  2. 76 FR 67020 - Notice of Availability of the Final Environmental Impact Statement: Los Angeles County, CA

    Science.gov (United States)

    2011-10-28

    ... Angeles County, CA AGENCY: Federal Highway Administration (FHWA), DOT. ACTION: Notice of Availability of... Street Viaduct Seismic Improvement Project in Los Angeles County, California. DATES: The comment period... locations: City of Los Angeles Bureau of Engineering, Bridge Improvement Program, 1149 South Broadway,...

  3. 77 FR 38377 - Notice of Availability of the Draft Environmental Impact Statement: Los Angeles County, CA

    Science.gov (United States)

    2012-06-27

    ... Angeles County, CA AGENCY: Federal Highway Administration (FHWA). ACTION: Notice of Availability of the... highway project in Los Angeles County, California. DATES: Public hearings for the Draft Environmental...: California Department of Transportation (Caltrans) District 7 Office, 100 South Main Street, Los Angeles,...

  4. Shaanxi Youth Folk Art Troupe Performs at Los Angeles Disneyland

    Institute of Scientific and Technical Information of China (English)

    Liu; Tong

    2015-01-01

    At the central square of Disneyland in Los Angeles during the Chinese Spring Festival,a group of Chinese children wearing horn-shaped braids or white towel kerchiefs on their heads performed the waist-drum dance to the rhythm of typical northern Shaanxi folk music.The wonderful performance given by the Shaanxi Youth Folk Art Troupe at Disneyland was part of a cultural exchange with the United States

  5. Influencia del Capital Intelectual en la Competitividad de los Hoteles

    Directory of Open Access Journals (Sweden)

    Jorge Luis Heredia Heredia

    2009-01-01

    Full Text Available El objetivo de la presente investigación es conocer la influencia del capital intelectual en la competitividad de las empresas hoteleras de 1 a 5 estrellas de Aguascalientes, México. La medición del capital intelectual, que es el recurso intangible de las organizaciones contenido en el capital humano, capital estructural y capital relacional que genera competitividad y riqueza presente y futura, se realiza a través de un instrumento tipo Likert de 61 reactivos, cuyos resultados son comparados con la competitividad de los hoteles, medida a través de la rentabilidad por habitación disponible. Los resultados muestran la relación positiva entre el capital intelectual y la competitividad de los hoteles. La información podría ser útil en al menos tres dimensiones: primero, para diseñar los planes estratégicos de las empresas hoteleras; segundo, como apoyo para el diseño de las políticas del sector turismo y, tercero, como base académica para continuar en el desarrollo trabajos sobre el capital intelectual en otro tipo de organizaciones, con el interés de apoyar las decisiones empresariales y las políticas económicas.

  6. Interseismic Strain Accumulation Across Metropolitan Los Angeles: Puente Hills Thrust

    Science.gov (United States)

    Argus, D.; Liu, Z.; Heflin, M. B.; Moore, A. W.; Owen, S. E.; Lundgren, P.; Drake, V. G.; Rodriguez, I. I.

    2012-12-01

    Twelve years of observation of the Southern California Integrated GPS Network (SCIGN) are tightly constraining the distribution of shortening across metropolitan Los Angeles, providing information on strain accumulation across blind thrust faults. Synthetic Aperture Radar Interferometry (InSAR) and water well records are allowing the effects of water and oil management to be distinguished. The Mojave segment of the San Andreas fault is at a 25° angle to Pacific-North America plate motion. GPS shows that NNE-SSW shortening due to this big restraining bend is fastest not immediately south of the San Andreas fault across the San Gabriel mountains, but rather 50 km south of the fault in northern metropolitan Los Angeles. The GPS results we quote next are for a NNE profile through downtown Los Angeles. Just 2 mm/yr of shortening is being taken up across the San Gabriel mountains, 40 km wide (0.05 micro strain/yr); 4 mm/yr of shortening is being taken up between the Sierra Madre fault, at the southern front of the San Gabriel mountains, and South Central Los Angeles, also 40 km wide (0.10 micro strain/yr). We find shortening to be more evenly distributed across metropolitan Los Angeles than we found before [Argus et al. 2005], though within the 95% confidence limits. An elastic models of interseismic strain accumulation is fit to the GPS observations using the Back Slip model of Savage [1983]. Rheology differences between crystalline basement and sedimentary basin rocks are incorporated using the EDGRN/EDCMP algorithm of Wang et al. [2003]. We attempt to place the Back Slip model into the context of the Elastic Subducting Plate Model of Kanda and Simons [2010]. We find, along the NNE profile through downtown, that: (1) The deep Sierra Madre Thrust cannot be slipping faster than 2 mm/yr, and (2) The Puente Hills Thrust and nearby thrust faults (such as the upper Elysian Park Thrust) are slipping at 9 ±2 mm/yr beneath a locking depth of 12 ±5 km (95% confidence limits

  7. Reconnaissance of geothermal resources of Los Angeles County, California

    Energy Technology Data Exchange (ETDEWEB)

    Higgins, C.T.

    1981-01-01

    Thermal waters produced from large oil fields are currently the most important geothermal resources in Los Angeles County. Otherwise, the County does not appear to have any large, near-surface geothermal resources. The oil fields produce thermal water because of both the moderate depths of production and normal to above-normal geothermal gradients. Gradients are about 3.0-3.5/sup 0/C/100 meters in the Ventura Basin and range from that up to about 5.5-6.0/sup 0/C/100 meters in the Los Angeles Basin. The hottest fields in the County are west of the Newport-Inglewood Structural Zone. The Los Angeles Basin has substantially more potential for uses of heat from oil fields than does the Ventura Basin because of its large fields and dense urban development. Produced fluid temperatures there range from ambient air to boiling, but most are in the 100-150/sup 0/F range. Daily water production ranges from only a few barrels at some fields to over a million barrels at Wilmington Oil Field; nearly all fields produce less than 50,000 barrels/day. Water salinity generally ranges from about 15,000-35,000 mg/liter NaCl. Fields with the most promise as sources of heat for outside applications are Wilmington, Torrance, Venice Beach, and Lawndale. The centralized treatment facilities are the most favorable sites for extraction of heat within the oil fields. Because of the poor water quality heat exchangers will likely be required rather than direct circulation of the field water to users. The best sites for applications are commercial-industrial areas and possibly institutional structures occupied by large numbers of people.

  8. Los Angeles - Long Beach Harbors, California. Los Angeles Harbor Deepening Project. Final Phase 2. General Design Memorandum.

    Science.gov (United States)

    1980-01-01

    Instead, the bedrock was dredged by a backhoe dredge the " Oski ". The " Oski " has an 8-cubic yard bucket which can be replaced by a bedrock ripper when...demobilization because the dredge was on site. The Coos Bay material was considerably harder than the bedrock in Los Angeles harbor. If the Oski were to be...harder than indicated by current data, the use of a mechanical dredge such as the " Oski " may be necessary. If an opening cannot be left open for barge

  9. Masculinity and HIV Risk among Homeless Men in Los Angeles.

    Science.gov (United States)

    Kennedy, David P; Brown, Ryan A; Golinelli, Daniela; Wenzel, Suzanne L; Tucker, Joan S; Wertheimer, Samuel R

    2013-01-01

    HIV continues to be a serious public health problem for men who have sex with women (MSW), especially homeless MSW. Although consideration of gender has improved HIV prevention interventions, most of the research and intervention development has targeted how women's HIV risk is affected by gender roles. The effect of gender roles on MSW has received relatively little attention. Previous studies have shown mixed results when investigating the association between internalization of masculine gender roles and HIV risk. These studies use a variety of scales that measure individual internalization of different aspects of masculinity. However, this ignores the dynamic and culturally constructed nature of gender roles. The current study uses cultural consensus analysis (CCA) to test for the existence of culturally agreed upon masculinity and gender role beliefs among homeless MSW in Los Angeles, as well as the relationship between these beliefs and HIV-related behaviors and attitudes. Interviews included 30 qualitative and 305 structured interviews with homeless MSW in Los Angeles's Skid Row area. Analysis identified culturally relevant aspects of masculinity not represented by existing masculinity scales, primarily related to barriers to relationships with women. Behaviors, attitudes, and knowledge related to HIV were significantly associated with men's level of agreement with the group about masculinity. The findings are discussed in light of implications for MSW HIV intervention development.

  10. 76 FR 3209 - West Los Angeles VA Medical Center Veterans Programs Enhancement Act of 1998; Draft Master Plan

    Science.gov (United States)

    2011-01-19

    ... AFFAIRS West Los Angeles VA Medical Center Veterans Programs Enhancement Act of 1998; Draft Master Plan... an opportunity for public comment on the West Los Angeles (WLA) Department of Veterans Affairs (VA... is part of the larger VA Greater Los Angeles (GLA) Healthcare System, serving Veterans in Los...

  11. Kindling Hope in the Ashes: LACCD and Los Angeles after the Riots.

    Science.gov (United States)

    Phelps, Donald G.

    1993-01-01

    Describes efforts of the Los Angeles Community College District's three most affected campuses to help rebuild Los Angeles in the wake of the 1992 riots. Discusses sensitivity gatherings, new job development partnerships with business and government, community outreach, and the district's long-term commitment to the city. (DMM)

  12. "USA Today": Comparative Analysis with Two National and Two Los Angeles Daily Newspapers. Research Bulletin.

    Science.gov (United States)

    Ames, Steve; And Others

    Sections of the newspaper "USA Today" were compared with corresponding sections of four major newspapers--the "New York Times," the "Wall Street Journal," the "Los Angeles Herald Examiner," and the "Los Angeles Times"--to determine what editorial components made "USA Today" different and…

  13. The Urban Los Angeles American Indian Experience: Perspectives from the Field

    Science.gov (United States)

    Ledesma, Rita

    2007-01-01

    This article reports on the findings from two studies conducted in the Los Angeles urban American Indian/Alaska Native (AIAN) community. The research investigated the relationship between the American Indian and Alaska Native cultural values and the social problems that challenge the urban Native community in the greater Los Angeles and Orange…

  14. The Urban Los Angeles American Indian Experience: Perspectives from the Field

    Science.gov (United States)

    Ledesma, Rita

    2007-01-01

    This article reports on the findings from two studies conducted in the Los Angeles urban American Indian/Alaska Native (AIAN) community. The research investigated the relationship between the American Indian and Alaska Native cultural values and the social problems that challenge the urban Native community in the greater Los Angeles and Orange…

  15. El Proyecto Sismico "LARSE" - Trabajando Hacia un Futuro con Mas Seguridad para Los Angeles

    Science.gov (United States)

    Henyey, Thomas L.; Fuis, Gary S.; Benthien, Mark L.; Burdette, Thomas R.; Christofferson, Shari A.; Clayton, Robert W.; Criley, Edward E.; Davis, Paul M.; Hendley, James W.; Kohler, Monica D.; Lutter, William J.; McRaney, John K.; Murphy, Janice M.; Okaya, David A.; Ryberg, Trond; Simila, Gerald W.; Stauffer, Peter H.

    1999-01-01

    La region de Los Angeles contiene una red de fallas activas, incluyendo muchas fallas por empuje que son profundas y no rompen la superficie de la tierra. Estas fallas ocultas incluyen la falla anteriormente desconocida que fue responsable por la devastacion que ocurrio durante el terremoto de Northridge en enero de 1994, el terremoto mas costoso en la historia de los Estados Unidos. El Experimento Sismico en la Region de Los Angeles (Los Angeles Region Seismic Experiment, LARSE), esta localizando los peligros ocultos de los terremotos debajo de la region de Los Angeles para mejorar la construccion de las estructuras que pueden apoyar terremotos que son inevitables en el futuro, y que ayudaran a los cientificos determinar donde occurira el sacudimento mas fuerte y poderoso.

  16. The LACDA (Los Angeles County Drainage Area) System Recreation Study, Los Angeles County Drainage Area.

    Science.gov (United States)

    1980-03-01

    In orderto facilitate a comparison of bicyclists. The two-mile distance reflects the same with the earlier projects, the cost figures and format ...Trails Los Cerritos Bicycle Trail Verdugo Wash (Upper End) Bicycle and Equestrian Trails 4 13 A.k, TABLE 4 1. COST ANALYSIS FORMAT AND UNIT COSTS Coa...areaes for west as Pierce College Big Dalton - from Barranca Ave. to Foothill Boulevard, providing &cc@= to South Hills Park in Glendora Coyote Creek

  17. ANÁLISIS DE LOS HOTELES DE ALTA CATEGORÍA DE CROACIA DESDE EL ENFOQUE HOTEL-HUÉSPED

    Directory of Open Access Journals (Sweden)

    Šerić, Maja

    2011-09-01

    Full Text Available Croacia viene experimentando un auge turístico notable en los últimos diez años. Es crucial para su futuro desarrollo saber gestionar el sector hotelero de acuerdo con las nuevas exigencias del mercado. Este trabajo pretende analizar los hoteles de alta categoría de Croacia desde un doble enfoque hotel-huésped, centrándose en una nueva estrategia de marketing denominada Comunicación Integrada de Marketing (CIM, los avances en las Tecnologías de Información y Comunicación (TIC y la lealtad. Los resultados demuestran el elevado grado de implantación de las TIC y de la CIM y el grado moderado de los programas de lealtad en los hoteles analizados. Además, confirman la influencia de las TIC en la implementación de la CIM y el efecto positivo de la CIM sobre la lealtad.

  18. Immigrant incorporation in the garment industry of Los Angeles.

    Science.gov (United States)

    Light, I; Bernard, R B; Kim, R

    1999-01-01

    This study expands immigrant social network theory and examined employment patterns in the garment industry in Los Angeles, California, among Latino workers employed by Asian immigrant entrepreneurs. The study determined that a large percentage of immigrant employees found their jobs through the immigrant economy. Entrepreneurship increased the supply of local jobs and expanded the economy at destination at no expense to natives. Immigrant entrepreneurs bought firms from nonimmigrant owners or started new ones with an immigrant labor supply. Massey's index is flawed due to its exclusion of the role of entrepreneurs. Migration networks facilitate entrepreneurship, but some ethnic groups have fewer entrepreneurs, such as Mexicans and Central Americans. A 1993 Los Angeles survey identified 3642 garment factories in its county. Mean employment was 27.1 persons. The garment industry was the 4th largest industry in the area in 1996, with 98,700 employees. It represented 6% of all wage and salary employees in the City and 5.5% of the immigrant labor force in the County in 1990. 93% of garment workers in 1990 were immigrants. It is estimated that 51% of garment factory owners were Asians; most employees were Latinos. Census figures on sewing machine operators indicated 47.3% of owners were Whites and 42.45 were Asians. 53.3% of employees were other ethnic groups, 14.5% were Asians, and 32.2% were Whites. It is estimated that 47.2% of total employment was due to the immigration economy. 71.5% of the total employment in the garment industry was in the immigrant sector.

  19. GHL Comfort Hotel Los Héroes. Historia Empresarial

    Directory of Open Access Journals (Sweden)

    Natalia Álvarez

    2008-11-01

    Full Text Available En un contexto administrativo, la historia empresarial marca la presencia de un lenguaje en donde se procede a describir, explicar y evaluar la toma de decisiones en el ambiente empresarial. Esta toma de decisiones se convierte entonces en una política, que tomará como base el entorno en el cual se desenvuelve. Es así que resulta imprescindible el comportamiento a nivel interno y externo de la organización, de esta manera se evalúa qué papel juega el control administrativo en la producción, el bienestar y desarrollo no sólo de la empresa, sino además de su personal. En este artículo estableceremos la importancia del análisis y descripción de los procesos claves de éxito que se realizan puntualmente en GHL comfort hotel los héroes, organización que se ha mantenido en el mercado y en su corta vida ha logrando no sólo un posicionamiento, sino además ser una empresa estable e innovadora.

  20. 76 FR 35369 - Proposed Establishment of Class D and Amendment of Class E Airspace; Los Angeles, CA

    Science.gov (United States)

    2011-06-17

    ... Airspace; Los Angeles, CA AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). SUMMARY: This action proposes to establish Class D airspace at Los Angeles International Airport, Los Angeles, CA. Controlled airspace is necessary to contain potential missed approaches at...

  1. Incidence of gunshot wounds at a county hospital following the Los Angeles riot and a gang truce.

    Science.gov (United States)

    Ordog, G J; Wasserberger, J; Ibanez, J; Bishop, M; Velayos, E; Balasubramanium, S; Shoemaker, W

    1993-06-01

    An analysis of the number of gunshot wound victims seen at a Los Angeles County Hospital both before and after the Los Angeles riot of 1992 was undertaken. Since the riot, the gang truce between the "Bloods" and the "Crips" has resulted in a significant decrease in the number of gunshot wound victims seen at a level I trauma center in Los Angeles.

  2. Masculinity and HIV Risk among Homeless Men in Los Angeles

    Science.gov (United States)

    Kennedy, David P.; Brown, Ryan A.; Golinelli, Daniela; Wenzel, Suzanne L.; Tucker, Joan S.; Wertheimer, Samuel R.

    2012-01-01

    HIV continues to be a serious public health problem for men who have sex with women (MSW), especially homeless MSW. Although consideration of gender has improved HIV prevention interventions, most of the research and intervention development has targeted how women’s HIV risk is affected by gender roles. The effect of gender roles on MSW has received relatively little attention. Previous studies have shown mixed results when investigating the association between internalization of masculine gender roles and HIV risk. These studies use a variety of scales that measure individual internalization of different aspects of masculinity. However, this ignores the dynamic and culturally constructed nature of gender roles. The current study uses cultural consensus analysis (CCA) to test for the existence of culturally agreed upon masculinity and gender role beliefs among homeless MSW in Los Angeles, as well as the relationship between these beliefs and HIV-related behaviors and attitudes. Interviews included 30 qualitative and 305 structured interviews with homeless MSW in Los Angeles’s Skid Row area. Analysis identified culturally relevant aspects of masculinity not represented by existing masculinity scales, primarily related to barriers to relationships with women. Behaviors, attitudes, and knowledge related to HIV were significantly associated with men’s level of agreement with the group about masculinity. The findings are discussed in light of implications for MSW HIV intervention development. PMID:23730216

  3. Costos de los servicios prestados por los hoteles tres estrellas del municipio Libertador del estado Mérida

    OpenAIRE

    2014-01-01

    A objeto de describir el proceso de determinación de costos de los servicios prestados por los hoteles turísticos de tres estrellas del municipio Libertador del estado Mérida, de cara a la optimización de dicho proceso, se diseñó una investigación no experimental, en la cual se recolectaron datos a través de un guión de observación y la aplicación de una encuesta a los gerentes y administradores de dichos establecimientos. Los resultados indican que los hoteles ofrecen diversas opciones de al...

  4. Declines in sugar-sweetened beverage consumption among children in Los Angeles County, 2007 and 2011.

    Science.gov (United States)

    Simon, Paul A; Lightstone, Amy S; Baldwin, Steve; Kuo, Tony; Shih, Margaret; Fielding, Jonathan E

    2013-08-08

    This study assessed changes in consumption of sugar-sweetened beverages (SSBs) among children (aged≤17 years) in Los Angeles County. We analyzed children's data from the 2007 (n=5,595) and 2011 (n=5,934) Los Angeles County Health Survey. The percentage of children who consumed 1 or more SSB per day decreased from 43.3% in 2007 to 38.3% in 2011 (Pconsumption among children in Los Angeles County, consumption remains high, highlighting the need for additional policy and programmatic interventions.

  5. Ridesharing or Ridestealing? Changes in Taxi Ridership and Revenue in Los Angeles 2009-2014

    OpenAIRE

    Waheed, Saba; Herrera, Lucero; Ritoper, Stefanie; Mehta, Jonaki; Romero,Hugo; Narro, Victor

    2015-01-01

    In 2015, Los Angeles increased the minimum wage to one of the highest in the country, leading the way to boost stagnating pay for workers and to ensure that workers are able to earn enough to support themselves and their families. Los Angeles needs to take the same care to ensure quality employment within the taxi industry, particularly in light of the rapid growth of transportation networking companies (TNCs) such as Uber and Lyft into Los Angeles. TNCs are on-demand ride services w...

  6. Transpiration of urban forests in the Los Angeles metropolitan area.

    Science.gov (United States)

    Pataki, Diane E; McCarthy, Heather R; Litvak, Elizaveta; Pincetl, Stephanie

    2011-04-01

    Despite its importance for urban planning, landscape management, and water management, there are very few in situ estimates of urban-forest transpiration. Because urban forests contain an unusual and diverse mix of species from many regions worldwide, we hypothesized that species composition would be a more important driver of spatial variability in urban-forest transpiration than meteorological variables in the Los Angeles (California, USA) region. We used constant-heat sap-flow sensors to monitor urban tree water use for 15 species at six locations throughout the Los Angeles metropolitan area. For many of these species no previous data on sap flux, water use, or water relations were available in the literature. To scale sap-flux measurements to whole trees we conducted a literature survey of radial trends in sap flux across multiple species and found consistent relationships for angiosperms vs. gymnosperms. We applied this relationship to our measurements and estimated whole-tree and plot-level transpiration at our sites. The results supported very large species differences in transpiration, with estimates ranging from 3.2 +/- 2.3 kg x tree(-1) x d(-1) in unirrigated Pinus canariensis (Canary Island pine) to 176.9 +/- 75.2 kg x tree(-1) x d(-1) in Platanus hybrida (London planetree) in the month of August. Other species with high daily transpiration rates included Ficus microcarpa (laurel fig), Gleditsia triacanthos (honeylocust), and Platanus racemosa (California sycamore). Despite irrigation and relatively large tree size, Brachychiton populneas (kurrajong), B. discolor (lacebark), Sequoia sempervirens (redwood), and Eucalyptus grandis (grand Eucalyptus) showed relatively low rates of transpiration, with values < 45 kg x tree(-1) x d(-1). When scaled to the plot level, transpiration rates were as high as 2 mm/d for sites that contained both species with high transpiration rates and high densities of planted trees. Because plot-level transpiration is highly

  7. Los Angeles and Its Influence on Professional and Popular Astronomy - A Hollywood Love Story, by Lewis Chilton, Past President, Optical Shop Director and Historian, Los Angeles Astronomical Society

    Science.gov (United States)

    Chilton, Lew

    2013-01-01

    The purpose of this presentation is to show through visualizations how the Los Angeles, California milieu of the early 20th century benefited the advancement of astronomy and captured the public consciousness through popular press accounts of these advancements and of the scientists who made them. The thesis of this presentation purports that a symbiosis developed between astronomers of Los Angeles-area scientific and educational institutions and a local community of interested laypersons, and was the catalyst that sparked future generations to enter the fields of astronomy, the allied sciences, education and technology. This presentation attempts to highlight the importance of continued public outreach by the professional astronomical community, for the ultimate benefit to itself, in Los Angeles and beyond.

  8. Formation of Los Angeles's low density and high car dependence

    Institute of Scientific and Technical Information of China (English)

    DAI Te-qi; JIN Feng-jun

    2009-01-01

    As a typical car-dependent city, Los Angeles (LA) is extensively used as an example in research to illustrate car influences on city form. Focusing on the features of LA's geologic conditions and civil circumstances, we argued that the relationship between LA's low-density pattern and car dependence is more involved than previously deemed simple causality. The low density should be primarily credited to the spacious requirement of the mining industry, frequent earthquakes and multiethnic population of the city. Oil reserves in LA fueled its economic boom and fast urbanization that coincided with the start of mass production of cheap cars, and cars became medium-priced consumables for average families. Politicians preference for short construction-peried projects enabled fast establishment of LA's highway infrastructure. The popularity of car use in return faciliatated further development of the low-density pattern of the city. The low-density urban form and car dependence created environmental and social problems for LA. Looking at P. R. China's motorization and urban development, we found that the trajectory of Beijing's motorization between 1978 and 2003 coincides with that of the U.S. in the 1910s and 1920s. Lessons from LA's urban and transportation development should be suggestive to China's urban and transportation planning.

  9. Geologic seepage of methane and light alkanes in Los Angeles

    Science.gov (United States)

    Doezema, L. A.; Chang, K.; Baril, R.; Nwachuku, I.; Contreras, P.; Marquez, A.; Howard, D.

    2013-12-01

    Natural geologic seepage of methane from underground oil and natural gas reservoirs has been suggested to be an underreported part of the global methane budget. Other light alkanes are also given off in combination with the methane seepage, making it possible that geologic seepage is also a potentially significant global source of these light alkanes. This study reports C1-C5 findings from geologic seepage made in the Los Angeles region. Microseepage, invisible escape of gases, was measured primarily at Kenneth Hahn Regional Park, while macroseepage, the visible release of gases, was measured at the La Brea Tar Pits. Samples were collected using stainless steel canisters and flux chambers and were analyzed using gas chromatography with flame ionization detectors (GC-FID). Average microseepage flux rates of 0.95 μg m-2 h-1 for ethane and 0.51 μg m-2 h-1 were found for propane, while average macroseepage rates for methane, ethane, and propane were 664, 19.8, and 18.1 mg m-2 h-1 respectively. Relationships between microseepage flux rate and location of underground oil and natural deposit and earthquake fault lines are presented. Additionally, the relative importance of findings in context with global budgets and local air quality is discussed.

  10. Fragmented Flows: Water Supply in Los Angeles County

    Science.gov (United States)

    Pincetl, Stephanie; Porse, Erik; Cheng, Deborah

    2016-08-01

    In the Los Angeles metropolitan region, nearly 100 public and private entities are formally involved in the management and distribution of potable water—a legacy rooted in fragmented urban growth in the area and late 19th century convictions about local control of services. Yet, while policy debates focus on new forms of infrastructure, restructured pricing mechanisms, and other technical fixes, the complex institutional architecture of the present system has received little attention. In this paper, we trace the development of this system, describe its interconnections and disjunctures, and demonstrate the invisibility of water infrastructure in LA in multiple ways—through mapping, statistical analysis, and historical texts. Perverse blessings of past water abundance led to a complex, but less than resilient, system with users accustomed to cheap, easily accessible water. We describe the lack of transparency and accountability in the current system, as well as its shortcomings in building needed new infrastructure and instituting new water rate structures. Adapting to increasing water scarcity and likely droughts must include addressing the architecture of water management.

  11. 76 FR 48176 - Notice of Inventory Completion: Fowler Museum at UCLA, Los Angeles, CA

    Science.gov (United States)

    2011-08-08

    ... address below by September 7, 2011. ADDRESSES: Wendy G. Teeter, Ph.D., Curator of Archaeology, Fowler... G. Teeter, Ph.D., Curator of Archaeology, Fowler Museum at UCLA, Box 951549, Los Angeles, CA 90095...

  12. Strategic Plan for Sustainable Energy Management and Environmental Stewardship for Los Angeles Unified School District

    Energy Technology Data Exchange (ETDEWEB)

    Walker, A.; Beattie, D.; Thomas, K.; Davis, K.; Sim, M.; Jhaveri, A.

    2007-11-01

    This Strategic Plan for Sustainable Energy Management and Environmental Stewardship states goals, measures progress toward goals and how actions are monitored to achieve continuous improvement for the Los Angeles Unified School District.

  13. Molecular basis for Duarte and Los Angeles variant galactosemia

    Energy Technology Data Exchange (ETDEWEB)

    Langley, S.D.; Lai, K.; Dembure, P.P. [Emory Univ. School of Medicine, Atlanta, GA (United States)] [and others

    1997-02-01

    Human erythrocytes that are homozygous for the Duarte enzyme variant of galactosemia (D/D) have a characteristic isoform on isoelectric focusing and 50% reduction in galactose-1-phosphate uridyltransferase (GALT) enzyme activity. The Duarte biochemical phenotype has a molecular genotype of N314D/N314D. The characteristic Duarte isoform is also associated with a variant called the {open_quotes}Los Angeles (LA) phenotype,{close_quotes} which has increased GALT enzyme activity. We evaluated GALT enzyme activity and screened the GALT genes of 145 patients with one or more N314D-containing alleles. We found seven with the LA biochemical phenotype, and all had a 1721C{r_arrow}T transition in exon 7 in cis with the N314D missense mutation. The 1721C{r_arrow}T transition is a neutral polymorphism for leucine at amino acid 218 (L218L). In pedigree analyses, this 1721C{r_arrow}T transition segregated with the LA phenotype of increased GALT activity in three different biochemical phenotypes (LA/N, LA/G, and LA/D). To determine the mechanism for increased activity of the LA variant, we compared GALT mRNA, protein abundance, and enzyme thermal stability in lymphoblast cell lines of D and LA phenotypes with comparable genotypes. GALT protein abundance was increased in LA compared to D alleles, but mRNA was similar among all genotypes. We conclude that the codon change N314D in cis with the base-pair transition 1721C{r_arrow}T produces the LA variant of galactosemia and that this nucleotide change increases GALT activity by increasing GALT protein abundance without increasing transcription or decreasing thermal lability. A favorable codon bias for the mutated codon with consequently increased translation rates is postulated as the mechanism. 23 refs., 3 figs., 4 tabs.

  14. How Diverse Schools Affect Student Mobility: Charter, Magnet, and Newly Built Institutions in Los Angeles. Los Angeles School Infrastructure Project. Working Paper

    Science.gov (United States)

    Dauter, Luke; Fuller, Bruce

    2011-01-01

    Everyone knows that student achievement often suffers when children and families move, leaving behind their school and neighborhood, yet, in urban districts like Los Angeles, mobility is now encouraged by the development of mixed-markets of diverse schools, including charter, pilot, and magnet schools in. Over 60 new school facilities were opened…

  15. HB D Los Angeles in a Brazilian family Hb D Los Angeles em família brasileira

    Directory of Open Access Journals (Sweden)

    Guilherme G. Leoneli

    2001-09-01

    Full Text Available Inherited disorders of hemoglobin, the most common monogenic disease, are now well understood at the molecular level, knowledge, which has led to considerable improvements in their control and management. The Brazilian population is multiethnic, and the correct characterization of the Hb D is important, mainly because the method available for detection of abnormal hemoglobins, present a migration in the same zone at alkaline pH, for Hb S, D, and G for example. In this paper we studied a family with an abnormal hemoglobin like S in alkaline electrophoresis, by appropriated methods including HPLC and molecular analysis, characterized as hemoglobin D Los Angeles.As doenças hereditária da hemoglobina são as mais comuns doenças monogênicas e atualmente bem conhecidas do ponto de vista molecular, fato este que propiciou um avanço no seu controle e manuseio. A população brasileira caracteriza-se pela multiplicidade étnica e a caracterização da Hb D torna-se importante por este dado, associado ao fato de que os métodos de detecção das hemoglobinopatias comumente não identificam esta fração anormal que apresenta a peculiaridade de migração eletroforéticia em pH alcalino na mesma zona observada nas Hb S e G. Neste relato é apresentado um estudo familiar no qual é empregada metodologia adequada, o HLPC, que permite a identificação da Hb D.

  16. Costos de los servicios prestados por los hoteles tres estrellas del municipio Libertador del estado Mérida

    Directory of Open Access Journals (Sweden)

    Marysela Coromoto Morillo Moreno

    2014-01-01

    Full Text Available A objeto de describir el proceso de determinación de costos de los servicios prestados por los hoteles turísticos de tres estrellas del municipio Libertador del estado Mérida, de cara a la optimización de dicho proceso, se diseñó una investigación no experimental, en la cual se recolectaron datos a través de un guión de observación y la aplicación de una encuesta a los gerentes y administradores de dichos establecimientos. Los resultados indican que los hoteles ofrecen diversas opciones de alojamiento, además de diversos servicios (restaurantes, salones para eventos y lavanderías, los cuales poseen tarifas separadas. Por otra parte, el 72% de los hoteles tres estrellas del municipio mencionado calculan el costo total de todos los servicios que prestan, lo cual evidencia la existencia de un sistema de acumulación de costos inadecuado que imposibilita la disposición de información exacta y precisa acerca del costo de cada uno de los servicios prestados, lo que a su vez limita la toma de decisiones y la correcta operatividad empresarial. En este sentido, se sugiere la identificación de los objetos de costos en centros funcionales y operativos, así como métodos de asignación para el cálculo del costo de cada servicio

  17. Interseismic deformation associated with three-dimensional faults in the greater Los Angeles region, California

    Science.gov (United States)

    Marshall, Scott T.; Cooke, Michele L.; Owen, Susan E.

    2009-12-01

    Existing interseismic models are not well-suited to simulate deformation within the network of finite, intersecting, nonplanar faults observed in the greater Los Angeles region. Instead of applying fault slip rates to a model a priori, we allow three-dimensional fault surfaces to interact and accumulate mechanically viable slip distributions and then use the deep nonseismogenic portion of slip to calculate interseismic deformation. We apply this approach to the Los Angeles region and find that the geologic timescale model results match well geologic slip rate data and the interseismic timescale model results match well the heterogeneous GPS velocity pattern in the Los Angeles region. Model results suggest that localized geodetic convergence in the San Gabriel basin can be achieved with slip on multiple active fault surfaces in the Los Angeles region including relatively fast slip on the Sierra Madre fault and slow slip on the Puente Hills thrusts, in agreement with geologic data. The ability of the three-dimensional model to reproduce well both geologic slip rates and interseismic geodetic velocity patterns suggests that current day contraction rates in the greater Los Angeles region are compatible with long-term geologic deformation rates and disputes suggestions of significant temporal variations in fault slip rates inferred from existing investigations.

  18. Crisis & commitment: 150 years of service by Los Angeles county public hospitals.

    Science.gov (United States)

    Cousineau, Michael R; Tranquada, Robert E

    2007-04-01

    The Los Angeles County University of Southern California Medical Center will open soon, replacing the county's current 74-year-old facility with a modern, although smaller, facility. Los Angeles County has provided hospital care to the indigent since 1858, during which time, the operation of public hospitals has shifted from a state-mandated welfare responsibility to a preeminent part of the county's public health mission. As this shift occurred, the financing of Los Angeles County hospitals changed from primarily county support to state and federal government sources, particularly Medicaid. The success of the new hospital will depend on whether government leaders at all levels provide the reforms needed to help the county and its partners stabilize its funding base.

  19. Predicting Los Angeles abrasion loss of rock aggregates from crushability index

    Indian Academy of Sciences (India)

    S Kahraman; O Y Toraman

    2008-04-01

    Predicting Los Angeles abrasion loss of aggregate material from some simpler tests will be useful for especially preliminary studies. For this reason, to investigate the possibility of predicting the Los Angeles abrasion loss from the crushability index, Los Angeles abrasion, crushability, density and porosity tests were performed on 11 different rock types collected from different areas of Turkey. The results of the tests were analysed using simple and multiple regression analyses. Generally significant correlations were obtained from both simple and multiple regression analyses. The correlation coefficients and estimation capabilities of the two multiple regression equations are slightly higher than that of the simple regression equation. It was concluded that the simple regression equation is practical and reliable enough for estimation purposes. However, the two multiple regression equations can be used for a more accurate estimation.

  20. An Assessment of Climate Change Impacts on Los Angeles (California USA) Hospitals, Wildfires Highest Priority.

    Science.gov (United States)

    Adelaine, Sabrina A; Sato, Mizuki; Jin, Yufang; Godwin, Hilary

    2017-10-01

    Introduction Although many studies have delineated the variety and magnitude of impacts that climate change is likely to have on health, very little is known about how well hospitals are poised to respond to these impacts. Hypothesis/Problem The hypothesis is that most modern hospitals in urban areas in the United States need to augment their current disaster planning to include climate-related impacts. Using Los Angeles County (California USA) as a case study, historical data for emergency department (ED) visits and projections for extreme-heat events were used to determine how much climate change is likely to increase ED visits by mid-century for each hospital. In addition, historical data about the location of wildfires in Los Angeles County and projections for increased frequency of both wildfires and flooding related to sea-level rise were used to identify which area hospitals will have an increased risk of climate-related wildfires or flooding at mid-century. Only a small fraction of the total number of predicted ED visits at mid-century would likely to be due to climate change. By contrast, a significant portion of hospitals in Los Angeles County are in close proximity to very high fire hazard severity zones (VHFHSZs) and would be at greater risk to wildfire impacts as a result of climate change by mid-century. One hospital in Los Angeles County was anticipated to be at greater risk due to flooding by mid-century as a result of climate-related sea-level rise. This analysis suggests that several Los Angeles County hospitals should focus their climate-change-related planning on building resiliency to wildfires. Adelaine SA , Sato M , Jin Y , Godwin H . An assessment of climate change impacts on Los Angeles (California USA) hospitals, wildfires highest priority. Prehosp Disaster Med. 2017;32(5):556-562.

  1. Comparison of ozone exposure characteristics in forested regions near Mexico City and Los Angeles

    Science.gov (United States)

    Miller, Paul R.; de Lourdes de Bauer, María; Quevedo Nolasco, Abel; Hernández Tejeda, Tomás

    This comparison of forest exposure to ozone in the vicinity of México City and Los Angeles provides preliminary evidence of the seasonal differences in ozone concentrations. Summer concentrations near México City are not as high as those near Los Angeles because most of the precipitation and associated cloudiness occurs near México City during the months of June through September. Winter concentrations remain nearly as high as summer concentrations at México City, because in winter skies are clearer and incident sunlight remains high. Latitudinal influences on solar zenith angle and the higher altitude of the México City region both contribute to a higher actinic flux than in the Los Angeles region. The primary difference in forest exposure is that there is very little respite from adverse ozone concentrations during the entire year in the México City region. Also, the rainy summer season would likely diminish water stress and result in greater ozone uptake at the Desierto de los Leones compared to dry summer conditions in California. The closer proximity of the Desierto de los Leones monitoring site to the urban area also contributes to high winter exposures. There is some respite from exposure during the winter in the San Bernardino mountain region; however, summer concentrations are higher than near México City. The greater transport distance from the Los Angeles source region also contributes to lower winter exposures.

  2. Diversity and Educational Challenges in Oslo and Los Angeles - A Metropolitan Perspective nr 2

    Directory of Open Access Journals (Sweden)

    Kamil ÖZERK

    2014-07-01

    Full Text Available Receiving, accommodation and education of children with immigrant background is one of the challenging issues in almost all the metropolitan areas in many countries. In our study we are exploring the impact of demographic changes on political agendas, legal frames, educational approaches, research findings and student achievement in the field of education of linguistic minorities in Oslo, Norway and Los Angeles, USA. Although there are significant historical and socio economical differences between Los Angeles and Oslo, many of the educational challenges facing the educational policy makers and the linguistic minority students are quite similar.

  3. Mortality in persons with multiple sclerosis in the Seattle and Los Angeles areas.

    Science.gov (United States)

    Malmgren, R M; Dudley, J P; Visscher, B R; Valdiviezo, N L; Clark, V A; Detels, R

    1981-11-06

    Case-mortality and survival rates of more than 2,000 prevalent cases of multiple sclerosis (MS) residing in either Los Angeles County, California, or King and Pierce Counties, Washington, and followed up for 105 months, are reported. Case-mortality at the end 105 months was 16.9% of the total group. All age and sex groups had a lower survival rate than the US general population; this difference was especially pronounced in the high-disability groups. There was a trend toward higher case-mortality in high-disability Los Angeles County patients when compared with high-disability patients from King and Pierce Counties.

  4. The 1966 enactment of Medicare: its effect on discharges from Los Angeles County-operated hospitals.

    Science.gov (United States)

    Glassman, P A; Bell, R M; Tranquada, R E

    1994-08-01

    The effect of Medicare on two public hospitals in Los Angeles County was analyzed by examining the percentage of patients 65 years of age and older among all discharges from 1958 through 1971. At Harbor General Hospital, discharges of elderly patients had dropped from 21.7% to 7.9% by late 1966; at Los Angeles County General Hospital, discharges decreased from 15.3% to 10.7% between 1966 and 1967. Monitoring public hospitals' demographic changes after enacting a national health plan may provide information on patients' and providers' acceptance of insurance and on resources needed by public hospitals to care for those left without coverage.

  5. Vertical Transport of Aerosol Particles across Mountain Topography near the Los Angeles Basin

    Science.gov (United States)

    Murray, J. J.; Schill, S.; Freeman, S.; Bertram, T. H.; Lefer, B. L.

    2015-12-01

    Transport of aerosol particles is known to affect air quality and is largely dependent on the characteristic topography of the surrounding region. To characterize this transport, aerosol number distributions were collected with an Ultra-High Sensitivity Aerosol Spectrometer (UHSAS, DMT) during the 2015 NASA Student Airborne Research Program (SARP) in and around the Los Angeles Basin in Southern California. Increases in particle number concentration and size were observed over mountainous terrain north of Los Angeles County. Chemical analysis and meteorological lagrangian trajectories suggest orographic lifting processes, known as the "chimney effect". Implications for spatial transport and distribution will be discussed.

  6. Los Angeles ou la violence indissociable d’un territoire nouveau

    OpenAIRE

    Joseph, Charles

    2014-01-01

    Au cours de son histoire et de sa construction, la ville de Los Angeles fut un paradoxe extraordinaire entre le paradis terrestre que les promoteurs immobiliers mettaient en avant et la face cachée que cet Eden renfermait. La violence est cet autre visage de Janus qui remonte bien avant les affrontements meurtriers des émeutes de 1965 et 1992. Que cette violence soit naturelle, sociale, politique, criminelle, Los Angeles en est une mégalopole qui ne peut se défaire de cette image. Cet article...

  7. The 2007 los angeles mommy and baby study: a multilevel, population-based study of maternal and infant health in los angeles county.

    Science.gov (United States)

    Chao, Shin M; Wakeel, Fathima; Herman, Dena; Higgins, Chandra; Shi, Lu; Chow, Jessica; Sun, Stacy; Lu, Michael C

    2014-01-01

    Objectives. In order to comprehensively examine the risks and resources associated with racial-ethnic disparities in adverse obstetric outcomes, the Los Angeles County Department of Public Health and the University of California, Los Angeles, joined efforts to design and implement the 2007 Los Angeles Mommy and Baby (LAMB) study. This paper aims to present the conceptual frameworks underlying the study's development, highlight the successful collaboration between a research institution and local health department, describe the distinguishing characteristics of its methodology, and discuss the study's implications for research, programs, and policies. Methods. The LAMB study utilized a multilevel, multistage cluster design with a mixed-mode methodology for data collection. Two samples were ultimately produced: the multilevel sample (n = 4,518) and the augmented final sample (n = 6,264). Results. The LAMB study allowed us to collect multilevel data on the risks and resources associated with racial-ethnic disparities in adverse obstetric outcomes. Both samples were more likely to be Hispanic, aged 20-34 years, completed at least 12 years of schooling, and spoke English. Conclusions. The LAMB study represents the successful collaboration between an academic institution and local health department and is a theoretically based research database and surveillance system that informs effective programmatic and policy interventions to improve outcomes among LAC's varied demographic groups.

  8. 77 FR 44609 - Los Angeles Department of Water and Power v. PacifiCorp; Notice of Complaint

    Science.gov (United States)

    2012-07-30

    ... From the Federal Register Online via the Government Publishing Office DEPARTMENT OF ENERGY Federal Energy Regulatory Commission Los Angeles Department of Water and Power v. PacifiCorp; Notice of Complaint... Power Act, 16 U.S.C. 824(e), the Los Angeles Department of Water and Power (Complainant) filed a formal...

  9. 76 FR 28453 - Cesar Chavez Special Resource Study-Alameda, Fresno, Imperial, Kern, Los Angeles, Monterey...

    Science.gov (United States)

    2011-05-17

    ... site for NPS Planning, Environment and Public Comment, and will be advertised in a newsletter which... National Park Service Cesar Chavez Special Resource Study--Alameda, Fresno, Imperial, Kern, Los Angeles..., Stanislaus, Tulare and Ventura Counties, CA, and Maricopa and Yuma Counties, AZ AGENCY: National Park...

  10. "City of Quartz: Excavating the Future in Los Angeles," by Mike Davis [Book Review].

    Science.gov (United States)

    Hunsaker, Alan

    1992-01-01

    Mike Davis's book presents a history and current sociology of Los Angeles from a socialist perspective, arguing that inequalities in the distribution of power and wealth underlie the area's serious, growing problems: ethnic fear and discrimination, social disinvestment and withdrawal by the "haves," and an epidemic of youth violence. (SV)

  11. Silencing to Give Voice : Backstage Preparations in the Undocumented Youth Movement in Los Angeles

    NARCIS (Netherlands)

    Fiorito, T.R.; Nicholls, W.J.

    2016-01-01

    Building upon intensive ethnographic research on the undocumented youth movement in Los Angeles, this paper investigates the backstage work done by the leaders and activists within a movement to create cohesive and disciplined frontstage performances. These backstage techniques and strategies are

  12. Breastfeeding Practices of Japanese Mothers in the South Bay Area of Los Angeles.

    Science.gov (United States)

    Hongo, Hiroko

    A study investigated the attitudes of Japanese breastfeeding mothers in the South Bay area in Los Angeles. The sample consisted of 20 Japanese mothers over the age of 18 who were born in Japan, who recently came to the United States, and whose youngest child has been breastfed for at least 6 months. Subjects were interviewed in their native…

  13. Los Angeles Community College District: It Has Improved Its Procedures for Selecting College Presidents.

    Science.gov (United States)

    California State Office of the Auditor General, Sacramento.

    This auditor's report reviews the procedures used by the Los Angeles Community College District (California) to select its college presidents. In September 1999 the district revised its procedures by designating a person who is solely responsible for ensuring compliance with board procedure, establishing timelines for the selection process, and…

  14. Los Angeles County Juvenile Justice Crime Prevention Act. RAND Quarterly Report, October 2008. Technical Report

    Science.gov (United States)

    Fain, Terry; Turner, Susan; Ridgeway, Greg

    2009-01-01

    This document is the second quarterly progress report for the evaluation of Juvenile Justice Crime Prevention Act (JJCPA) programs for the Los Angeles County Probation Department. The report covers the period from July 1, 2008, through September 30, 2008. The intent of the report is to provide Probation and the community-based organizations (CBOs)…

  15. Project Support Evaluation, Los Angeles Unified School District. Report No. 1.

    Science.gov (United States)

    Slovacek, Simeon P.; And Others

    This report describes the first operating year of Project Support, a 3-year gang/drug prevention program aimed at elementary students in six inner city schools in the Los Angeles Unified School District. The project involves the implementation of nine strategies described in the research literature as being effective in drug/gang prevention. These…

  16. Potential for a large earthquake near Los Angeles inferred from the 2014 La Habra earthquake

    Science.gov (United States)

    Grant Ludwig, Lisa; Parker, Jay W.; Rundle, John B.; Wang, Jun; Pierce, Marlon; Blewitt, Geoffrey; Hensley, Scott

    2015-01-01

    Abstract Tectonic motion across the Los Angeles region is distributed across an intricate network of strike‐slip and thrust faults that will be released in destructive earthquakes similar to or larger than the 1933 M6.4 Long Beach and 1994 M6.7 Northridge events. Here we show that Los Angeles regional thrust, strike‐slip, and oblique faults are connected and move concurrently with measurable surface deformation, even in moderate magnitude earthquakes, as part of a fault system that accommodates north‐south shortening and westerly tectonic escape of northern Los Angeles. The 28 March 2014 M5.1 La Habra earthquake occurred on a northeast striking, northwest dipping left‐lateral oblique thrust fault northeast of Los Angeles. We present crustal deformation observation spanning the earthquake showing that concurrent deformation occurred on several structures in the shallow crust. The seismic moment of the earthquake is 82% of the total geodetic moment released. Slip within the unconsolidated upper sedimentary layer may reflect shallow release of accumulated strain on still‐locked deeper structures. A future M6.1–6.3 earthquake would account for the accumulated strain. Such an event could occur on any one or several of these faults, which may not have been identified by geologic surface mapping. PMID:27981074

  17. 76 FR 14103 - The Jewelry Stream; Los Angeles, CA, Notice of Negative Determination on Reconsideration

    Science.gov (United States)

    2011-03-15

    ... in the Federal Register (75 FR 71455). Workers of The Jewelry Stream are engaged in employment... Employment and Training Administration The Jewelry Stream; Los Angeles, CA, Notice of Negative Determination... Determination Regarding Application for Reconsideration for the workers and former workers of The Jewelry...

  18. 75 FR 71455 - The Jewelry Stream, Los Angeles, CA; Notice of Affirmation Determination Regarding Application...

    Science.gov (United States)

    2010-11-23

    ... Federal Register on September 3, 2010 (75 FR 54187). The termination of investigation was based on... Employment and Training Administration The Jewelry Stream, Los Angeles, CA; Notice of Affirmation... investigation applicable to workers and former workers of M&L Manufacturing, Inc. and The Jewelry Stream,...

  19. Los Angeles Free Clinic [and]"Adolescent Health Care Programs That Work."

    Science.gov (United States)

    Rainwater, Mary; De Caprio, Chris

    The first paper describes The Los Angeles Free Clinic and its services, which are specifically designed to respond to the needs of low-income and homeless youth within the community. The paper describes a free-of-charge, free-of-judgment comprehensive response system that exists because of collaboration with other health facilities such as…

  20. Los Angeles OneSource System Youth Participant Customer Satisfaction Survey, 2010-2011

    Science.gov (United States)

    Heisley, Deborah D.; Moore, Richard W.; Patch, Robin N.

    2012-01-01

    As part of the Workforce Investment Act of 1998, Los Angeles OneSource Centers offer low-income youth ages 14-21 services aimed at improving educational achievement, enhancing job skills, and preparing for college. The primary purpose of this study was to evaluate the youths' satisfaction with services received at 14 OneSource Centers throughout…

  1. Epidemiology of Neisseria gonorrhoeae Gyrase A Genotype, Los Angeles, California, USA.

    Science.gov (United States)

    Bhatti, Ashima A; Allan-Blitz, Lao-Tzu; Castrejon, Mariana; Humphries, Romney M; Hemarajata, Peera; Klausner, Jeffrey D

    2017-09-01

    We investigated the epidemiology of the mutant gyrase A gene, a reliable predictor of ciprofloxacin resistance, in Neisseria gonorrhoeae infections at UCLA Health in Los Angeles, California, USA, during November 1, 2015-August 31, 2016. Among 110 patients with N. gonorrhoeae infections, 48 (44%) had the mutant gyrase A gene.

  2. See Us as We Are: Clara Chu--University of California at Los Angeles

    Science.gov (United States)

    Library Journal, 2005

    2005-01-01

    This article highlights the influence of Clara Chu, associate professor in the University of California at Los Angeles's (UCLA) Department of Information Studies. Her influence extends far beyond her campus. She works with many organizations to advance multiculturalism in librarianship. As a prolific researcher, writer, and speaker, Chu has given…

  3. 40 CFR 52.263 - Priority treatment for buses and carpools-Los Angeles Region.

    Science.gov (United States)

    2010-07-01

    ... § 52.263 Priority treatment for buses and carpools—Los Angeles Region. (a) Definitions: (1) “Carpool” means a vehicle containing three or more persons. (2) “Bus/carpool lane” means a lane on a street or... agencies to which legal authority has been delegated, shall establish the following system of...

  4. 78 FR 46676 - Environmental Impact Statement; Los Angeles and San Bernardino Counties, California; Notice of...

    Science.gov (United States)

    2013-08-01

    ... Transportation District 7 Division of Environmental Planning, 100 South Main Street, Mail Stop 16A, Los Angeles... recognize this project as a Strategic Multipurpose Corridor, which provides mobility, as well as economic... potential inclusion of the highway (freeway/expressway), a toll way, a bike path, energy production and/or...

  5. EPA Awards $200,000 to two Los Angeles Small Businesses to Develop Sustainable Green Technologies

    Science.gov (United States)

    LOS ANGELES - Today, the U.S. Environmental Protection Agency announced $200,000 to two Southern California companies located in Torrance and Northridge to develop sustainable technologies that address environmental issues. A total of $1.9 million was awa

  6. Comparing Outcomes for Los Angeles County's HUD-Assisted and Unassisted CalWORKS Leavers.

    Science.gov (United States)

    Verma, Nandita; Hendra, Richard

    The impact of supplemental assistance from the U.S. Department of Housing and Urban Development (HUD) on CalWORKs leavers was examined in a study of CalWORKs recipients in Los Angeles County, California, who stopped receiving welfare benefits in the third quarter of 1998. Two groups received federal housing assistance at the time of exit from…

  7. Tiene Arte Valor Afuera Del Barrio: The Murals of East Los Angeles and Boyle Heights

    Science.gov (United States)

    Holscher, Louis M.

    1976-01-01

    Discusses the themes of the murals and explores the possible uses that the murals in Los Angeles have for the outsider, the non-Chicano, for those who have only a little understanding or awareness of the Chicano community. (Author/AM)

  8. Mexican Entrepreneurs and Markets in the City of Los Angeles: A Case of an Immigrant Enclave.

    Science.gov (United States)

    Alvarez, Robert M., Jr.

    1990-01-01

    Explores Mexican-American immigrant entrepreneurial activity in the wholesale produce industry in Los Angeles (California). This activity exhibits the primary characteristics defined for immigrant enclaves, a specific mode of incorporation into the economic sector of the U.S. Describes hierarchical elements of Mexican entrepreneurship that…

  9. Tiene Arte Valor Afuera Del Barrio: The Murals of East Los Angeles and Boyle Heights

    Science.gov (United States)

    Holscher, Louis M.

    1976-01-01

    Discusses the themes of the murals and explores the possible uses that the murals in Los Angeles have for the outsider, the non-Chicano, for those who have only a little understanding or awareness of the Chicano community. (Author/AM)

  10. Sports and Politics: Los Angeles Times' Coverage of the 1984 Summer Olympic Games.

    Science.gov (United States)

    Salwen, Michael B.; Garrison, Bruce

    To investigate whether political assertions were interjected into American sports coverage of the 1984 Olympic games and which direction those assertions took, a study examined the Los Angeles Times' coverage of the games in its award-winning special supplement sections. The "Times" included these special supplements in its papers from July 22,…

  11. Evolving Groundwater Rights and Management in Metropolitan Los Angeles: Implications for Water Supply and Stormwater

    Science.gov (United States)

    Porse, E.; Pincetl, S.; Glickfeld, M.

    2015-12-01

    Groundwater supports many aspects of human life. In cities, groundwater can provide a cost-effective source of water for drinking and industrial uses, while groundwater basins provide storage. The role of groundwater in a city's water supply tends to change over time. In the Los Angeles metropolitan area, groundwater is critical. Over decades, users in the region's many basins allocated annual pumping rights to groundwater among users through adjudications. These rights were determined through collective processes over decades, which contributed to the complex array of public and private organizations involved in water management. The rights also continue to evolve. We analyzed changes in the distribution of groundwater rights over time for adjudicated basins in Southern Los Angeles County. Results indicate that groundwater rights are increasingly: 1) controlled or regulated by public institutions and municipalities, and 2) consolidated among larger users. Yet, both the percentage of total supplies provided by groundwater, as well as the distribution of groundwater rights, varies widely among cities and communities throughout Los Angeles. As metropolitan Los Angeles faces reduced water imports and emphasizes local water reliance, access to pumping rights and storage capacity in groundwater basins will become even more vital. We discuss implications of our results for future urban water management.

  12. Los Angeles Public Library's TeenS'cape Takes on the "New Callousness."

    Science.gov (United States)

    Bernier, Anthony

    2000-01-01

    Discusses the Los Angeles Public Library's TeenS'cape, located in the middle of the city's Central Library. This technically sophisticated library space, opened after the 1992 L.A. riots, provides custom furnishings, postmodernist architecture, and equipment and materials specifically catered to the local teens, amid the culture of "anti-youth"…

  13. LA INTERACCIÓN DE LOS HOTELES CON LAS REDES SOCIALES: UN ANÁLISIS DE LOS HOTELES DE CUATRO ESTRELLAS DE LA COMUNIDAD DE MADRID (ESPAÑA

    Directory of Open Access Journals (Sweden)

    Gemma Cascales García

    2017-01-01

    Full Text Available En el presente trabajo se analiza como los hoteles de cuatro estrellas de la Comunidad de Madrid interaccionan con las redes sociales. En concreto, se comprueba que, a pesar de que el uso del social media está generalizado entre los hoteles de la región, la gestión del mismo para obtener beneficios por medio de las ventas o para manejar la reputación on line no está tan generalizada. Se muestra como la mayor parte de los hoteles participantes en el estudio aprovechan las redes sociales como canal de comunicación pero que los hoteles pertenecien - tes a cadenas utilizan más las redes como canal de ventas.

  14. Evapotranspiration of the urban forest at the municipal scale in Los Angeles, CA

    Science.gov (United States)

    Litvak, E.; Pataki, D. E.

    2015-12-01

    The severest drought on record in southern California and predictions of continued water shortages make it essential to understand urban water use. However, urban evapotranspiration (ET), which is an important part of municipal water budgets, remains a major uncertainty. Urban ET is difficult to measure and model, particularly in cities with diverse plant composition. The city of Los Angeles contains more than 6 million trees, most of which are non-natives that originate from multiple geographic regions, which further complicates predictions of urban forest transpiration. Previously, we made extensive in situ measurements of tree transpiration and turfgrass ET in greater Los Angeles area. Here, we utilize these data to systematize transpiration of different tree species based on physiological mechanisms underlying plant water relations. The resulting empirical model estimates Los Angeles urban forest ET from easy-to-collect plant characteristics and freely available environmental parameters. Plant characteristics are tree diameter, wood type (e.g. coniferous), phenological type (e.g. evergreen) and plant composition. Environmental parameters are vapor pressure deficit of the air, incoming solar radiation and reference ET (all available at http://cimis.water.ca.gov). By combining this model with existing surveys of urban trees in Los Angeles, we estimated that citywide ET of irrigated landscapes varies from 1.2 ± 0.5 mm/d in winter to 2.8 ± 1.1 mm/d in summer. On average, trees and turfgrass contributed 27% and 73% to total tree+turfgrass ET, correspondingly. To our knowledge, this model provides the first citywide estimates of Los Angeles ET differentiated by wood types and plant composition. These results will inform decision makers about species-specific water use by urban trees and assist with determining landscape designs that are beneficial for water conservation. This model may also be incorporated into a regional hydrologic model to provide spatially

  15. 33 CFR 3.55-10 - Sector Los Angeles-Long Beach Marine Inspection Zone and Captain of the Port Zone.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 1 2010-07-01 2010-07-01 false Sector Los Angeles-Long Beach... INSPECTION ZONES, AND CAPTAIN OF THE PORT ZONES Eleventh Coast Guard District § 3.55-10 Sector Los Angeles-Long Beach Marine Inspection Zone and Captain of the Port Zone. Sector Los Angeles-Long Beach's...

  16. Una metodología para analizar la relación costo-volumen-utilidades en los hoteles

    Directory of Open Access Journals (Sweden)

    José Manuel Enrique Marsano Delgado

    2006-11-01

    Full Text Available El artículo desarrolla una metodología que permite a los hoteles medir económica y financieramente sus diferentes puntos de equilibrio, usando la teoría del costo-volumen-utilidad. Los hoteles dependen de variables exógenas diferentes, siendo la principal el flujo turístico, variable que al mismo tiempo depende de otras de igual naturaleza.

  17. Dos casos de arquitectura hotelera en el Ecuador: entre los años 50 y 70, Hotel Colón y Hotel Quito

    OpenAIRE

    Guerra Galán, Jaime Augusto

    2007-01-01

    La aceptación, desarrollo y consolidación que la modernidad tuvo en el Ecuador, motivó a reflexionar sobre la arquitectura realizada en el campo hotelero en el país entre los años cincuenta y setenta, con énfasis en la suscitada en la ciudad de Quito. Dos hoteles, el Quito y el Colón, son ejemplos de como la modernidad despuntaba en la ciudad. El proyecto de investigación se lo ha dividido en tres partes: Introducción, Hotel Colón y Hotel Quito. Introducción: Contiene un breve recuento de las...

  18. Remote Sensing of Spatial Distributions of Greenhouse Gases in the Los Angeles Basin

    Science.gov (United States)

    Fu, Dejian; Sander, Stanley P.; Pongetti, Thomas J.; Cheung, Ross; Stutz, Jochen

    2010-01-01

    The Los Angeles air basin is a significant anthropogenic source of greenhouse gasses and pollutants including CO2, CH4, N2O, and CO, contributing significantly to regional and global climate change. Recent legislation in California, the California Global Warning Solutions Act (AB32), established a statewide cap for greenhouse gas emissions for 2020 based on 1990 emissions. Verifying the effectiveness of regional greenhouse gas emissions controls requires high-precision, regional-scale measurement methods combined with models that capture the principal anthropogenic and biogenic sources and sinks. We present a novel approach for monitoring the spatial distribution of greenhouse gases in the Los Angeles basin using high resolution remote sensing spectroscopy. We participated in the CalNex 2010 campaign to provide greenhouse gas distributions for comparison between top-down and bottom-up emission estimates.

  19. Systemic Reform in a Federated System:Los Angeles at the Turn of the Millennium

    Directory of Open Access Journals (Sweden)

    David Menefee-Libey

    2004-10-01

    Full Text Available I synthesize some of the lessons we have learned about systemic school reform in order and derive two explicit hypotheses about when such reforms are likely to be more and less successful. The first hypothesis focuses on program implementation: to achieve success, any systemic reform must overcome challenges at each stage of the policy-making process, from agenda-setting to policy choice to implementation. The second hypothesis focuses on the federated nature of education policymaking in the United States: any successful systemic reform must offer a program that aligns local efforts with state and sometimes federal policy. I derive and test more specific hypotheses related to recent systemic reform efforts in the Los Angeles region—especially the Los Angeles Annenberg Metropolitan Project, or LAAMP—which ran from 1995 through 2001. The case confirms the hypotheses and enables a clearer understanding of systemic school reform.

  20. Methane and Ethane Measurements from a New TCCON Station in Los Angeles

    Science.gov (United States)

    Wunch, D.; Roehl, C. M.; Blavier, J. L.; Allen, N.; Treffers, R.; Toon, G. C.; Wennberg, P. O.

    2012-12-01

    The Los Angeles urban region emits large amounts of methane (~0.44Tg/year) into the atmosphere. It is currently unclear exactly how much of this is biogenic (landfills, cattle), and how much is from natural gas (natural seeps or fugitive emissions from the natural gas infrastructure). Since natural gas contains ethane, whereas biogenic emissions contain none, simultaneous measurements of ethane and methane offer the possibility of separating the biogenic versus natural gas emissions of methane. We investigate this using total column measurements from a new Total Carbon Column Observing Network (TCCON) remote sensing station in the Los Angeles suburb of Pasadena, which began measurements in July 2012. These measurements will be put into the context of historical remote sensing and in situ measurements described by Wennberg et al., 2012 (doi:10.1021/es301138y).

  1. Remote Sensing of Spatial Distributions of Greenhouse Gases in the Los Angeles Basin

    Science.gov (United States)

    Fu, Dejian; Sander, Stanley P.; Pongetti, Thomas J.; Cheung, Ross; Stutz, Jochen

    2010-01-01

    The Los Angeles air basin is a significant anthropogenic source of greenhouse gasses and pollutants including CO2, CH4, N2O, and CO, contributing significantly to regional and global climate change. Recent legislation in California, the California Global Warning Solutions Act (AB32), established a statewide cap for greenhouse gas emissions for 2020 based on 1990 emissions. Verifying the effectiveness of regional greenhouse gas emissions controls requires high-precision, regional-scale measurement methods combined with models that capture the principal anthropogenic and biogenic sources and sinks. We present a novel approach for monitoring the spatial distribution of greenhouse gases in the Los Angeles basin using high resolution remote sensing spectroscopy. We participated in the CalNex 2010 campaign to provide greenhouse gas distributions for comparison between top-down and bottom-up emission estimates.

  2. Factores determinantes del nivel de compromiso medioambiental voluntario adquirido por los hoteles cotizados europeos

    Directory of Open Access Journals (Sweden)

    Patricia Milanés Montero

    2012-01-01

    Full Text Available Ante las importantes presiones que la actividad hotelera ejerce sobre el medioambiente, la ausencia de regulación de las actuaciones responsables y la escasez de investigaciones al respecto aparece la imperiosa necesidad de aportar luz en este sentido. Por ello, en este trabajo se analiza el compromiso medioambiental corporativo de los hoteles cotizados europeos; se utiliza como metodología el análisis de contenidos y se detectan los factores determinantes de las actuaciones responsables con el medioambiente con el propósito de contribuir a la construcción de un marco de referencia objetivo de medida de los avances en sostenibilidad de la actividad turística. Además, se contribuye al "argumento comercial" analizando la relación existente entre la rentabilidad empresarial y el desempeño medioambiental. Los resultados muestran que la mayoría de los hoteles analizados carece de política de protección medioambiental; asimismo, el tamaño, la normativa contable adoptada y la pertenencia a grupos son factores determinantes de la adopción de una postura más o menos responsable. Por otro lado, la rentabilidad empresarial resulta ser una de las ventajas de la integración de las cuestiones medioambientales en la estrategia corporativa de las empresas.

  3. Residential proximity to traffic and adverse birth outcomes in Los Angeles county, California, 1994-1996.

    OpenAIRE

    Wilhelm, Michelle; Ritz, Beate

    2003-01-01

    We reported previously that increases in ambient air pollution in the Los Angeles basin increased the risk of low weight and premature birth. However, ambient concentrations measured at monitoring stations may not take into account differential exposure to pollutants found in elevated concentrations near heavy-traffic roadways. Therefore, we used an epidemiologic case-control study design to examine whether residential proximity to heavy-traffic roadways influenced the occurrence of low birth...

  4. A Framework for Implementing the National Diabetes Prevention Program in Los Angeles County.

    Science.gov (United States)

    Mosst, Jennifer T; DeFosset, Amelia; Gase, Lauren; Baetscher, Laura; Kuo, Tony

    2017-08-24

    Preventing type 2 diabetes is a public health priority in the United States. An estimated 86 million Americans aged 20 years or older have prediabetes, 90% of whom are unaware they have it. The National Diabetes Prevention Program (NDPP) has the potential to reduce the incidence of type 2 diabetes; however, little is known about the best way to institutionalize such a program in a jurisdiction with a racially/ethnically diverse population. The objective of this study was to develop a practice-grounded framework for implementing the NDPP in Los Angeles County. In 2015, the Los Angeles County Department of Public Health (LACDPH) partnered with Ad Lucem Consulting to conduct a 3-stage formative assessment that consisted of 1) in-depth interviews with key informants representing community-based organizations to learn about their experiences implementing the NDPP and similar lifestyle-change programs and 2) 2 strategic planning sessions to obtain input and feedback from the Los Angeles County Diabetes Prevention Coalition. LACDPH identified core activities to increase identification of people with type 2 diabetes and referral and enrollment of eligible populations in the NDPP. We worked with LACDPH and key informants to develop a 3-pronged framework of core activities to implement NDPP: expanding outreach and education, improving health care referral systems and protocols, and increasing access to and insurance coverage for NDPP. The framework will use a diverse partner network to advance these strategies. The framework has the potential to identify people with prediabetes and to expand NDPP among priority populations in Los Angeles County and other large jurisdictions by using a diverse partner network.

  5. Neighborhood Food Environment, Diet, and Obesity Among Los Angeles County Adults, 2011.

    Science.gov (United States)

    Mejia, Nelly; Lightstone, Amy S; Basurto-Davila, Ricardo; Morales, Douglas M; Sturm, Roland

    2015-09-03

    The objective of this study was to examine whether an association exists between the number and type of food outlets in a neighborhood and dietary intake and body mass index (BMI) among adults in Los Angeles County. We also assessed whether this association depends on the geographic size of the food environment. We analyzed data from the 2011 Los Angeles County Health Survey. We created buffers (from 0.25 to 3.0 miles in radius) centered in respondents' residential addresses and counted the number of food outlets by type in each buffer. Dependent variables were weekly intake of fruits and vegetables, sugar-sweetened beverages, and fast food; BMI; and being overweight (BMI ≥25.0 kg/m(2)) or obese (BMI ≥30.0 kg/m(2)). Explanatory variables were the number of outlets classified as fast-food outlets, convenience stores, small food stores, grocery stores, and supermarkets. Regressions were estimated for all sets of explanatory variables and buffer size combinations (150 total effects). Only 2 of 150 effects were significant after being adjusted for multiple comparisons. The number of fast-food restaurants in nonwalkable areas (in a 3.0-mile radius) was positively associated with fast-food consumption, and the number of convenience stores in a walkable distance (in a 0.25-mile radius) was negatively associated with obesity. Little evidence was found for associations between proximity of respondents' homes to food outlets and dietary intake or BMI among adults in Los Angeles County. A possible explanation for the null finding is that shopping patterns are weakly related to neighborhoods in Los Angeles County because of motorized transportation.

  6. Water Use in Los Angeles, California: Consumption Patterns, Ecosystem Response and Impact on Regional Water Budgets

    Science.gov (United States)

    Hogue, T. S.

    2014-12-01

    The City of Los Angeles relies heavily on external water sources, primarily the Eastern Sierra, Northern California and the Colorado River, and approximately 90% of the City's water supply is snowpack dependent. In recent years, water conservation measures have been implemented in response to regional drought, which include a tiered pricing structure and watering restrictions. As a result of implemented conservation policies, Los Angeles reported the lowest water consumption per capita per day in 2011 among cities over 1 million people in the U.S. This presentation will highlight our ongoing work to better understand the coupling between humans, ecosystems and water across the City of Los Angeles, especially during the recent drought period. Our work is unique in that we integrate social, ecological, and hydrologic data, including ten years of residential water consumption data for the entire city of Los Angeles, extensive groundwater well data, socio-economic information and remote sensing to evaluate relationships as well as spatial and temporal patterns. Developed statistical models demonstrated that Single-Family Residential (SFR) water use across the City is primarily driven by household income, landscape greenness, water rates and water volume allocation,, with higher consumption rates in the northern, warmer and more affluent parts, and lower consumption rates in the less affluent neighborhoods near Downtown. Landscape use also varies greatly across the city, averaging 50% of total SFR. Our evaluation of conservation efforts shows that the combination of mandatory watering restrictions and price increase led to a water reduction of 23%, while voluntary restrictions led to only a 6% reduction in water use. Relationships of water use to ecosystems (greenness) and groundwater variability were also evaluated and will be highlighted. Our ultimate goal is to improve predictions of human-water interactions in order to drive policy change and guide future demand

  7. Environmental Assessment: Military Housing Privatization Initiative, Los Angeles Air Force Base, California

    Science.gov (United States)

    2006-11-01

    parking to support the civil engineer facility, and construction of a new base housing office. • Buildings 1642, 1643, 1644, 1645, 1646, 1647...western edge of the Los Angeles Harbor. Bedrock in the vicinity of Fort MacArthur and Pacific Crest and Pacific Heights I and II consists of Jurassic ...This faulting has resulted in exposure of Jurassic age Catalina Schist, Miocene age volcanics, and the Miocene Monterey Formation (USAF 2000, USGS 2004

  8. 76 FR 43721 - Notice of Intent To Repatriate Cultural Items: Fowler Museum at UCLA, Los Angeles, CA

    Science.gov (United States)

    2011-07-21

    ... Museum at UCLA at the address below by August 22, 2011. ADDRESSES: Wendy G. Teeter, PhD, Curator of... contact Wendy G. Teeter, PhD, Curator of Archaeology, Fowler Museum at UCLA, Box 951549, Los Angeles, CA...

  9. Pharmacist-Driven Strategies for Hypertension Management in Los Angeles: A Community and Stakeholder Needs Assessment, 2014-2015.

    Science.gov (United States)

    Barragan, Noel C; DeFosset, Amelia R; Torres, Jennifer; Kuo, Tony

    2017-07-06

    In 2014, the Los Angeles County Department of Public Health received federal funding to improve the prevention and control of hypertension in the population through team-based health care delivery models, such as pharmacist-led medication therapy management. To inform this work, the department conducted a 3-part needs assessment consisting of 1) a targeted context scan of regional policies and efforts, 2) a key stakeholder survey, and 3) a public opinion internet-panel survey of Los Angeles residents. Results suggest that political will and professional readiness exists for expansion of pharmacist-led medication management strategies in Los Angeles. However, several infrastructure and economic barriers, such as a lack of sufficient payment or reimbursement mechanisms for these services, impede progress. The department is using assessment results to address barriers and shape efforts in scaling up pharmacist-led programming in Los Angeles.

  10. The Walking Renaissance: A Longitudinal Analysis of Walking Travel in the Greater Los Angeles Area, USA

    Directory of Open Access Journals (Sweden)

    Kenneth Joh

    2015-07-01

    Full Text Available Promoting walking travel is considered important for reducing automobile use and improving public health. Recent U.S. transportation policy has incentivized investments in alternative, more sustainable transportation modes such as walking, bicycling and transit in auto-oriented cities such as Los Angeles. Although many past studies have analyzed changes in walking travel across the U.S., there is little clarity on the drivers of change. We address this gap by conducting a longitudinal analysis of walking travel in the greater Los Angeles area from 2001 to 2009. We use travel diary and household data from regional and national surveys to analyze changes in walking trip shares and rates across our study area. Results show that walking has significantly increased across most of Los Angeles, and that increases in walking trips generally correspond with increases in population, employment, and transit service densities. Estimates from fixed-effects regression analysis generally suggest a positive association between population density and walking, and that higher increases in transit stop density are correlated with increased walking trips to and from transit stops. These findings illustrate how regional planning efforts to pursue a coordinated land use-transit planning strategy can help promote walking in auto-oriented or vehicle adopting cities.

  11. Community-based Flu Outreach Clinics in South Los Angeles: Client Satisfaction and Experiences.

    Science.gov (United States)

    Mobasher, Zahra; Smith, Lisa V; Stegall, Ashley; Bressler-Montgomery, Deanna; Dominguez, Daniela; King, Jan; Frye, Douglas; Piron, Jennifer; Family, Leila; Kuo, Tony

    2017-05-01

    This study sought to better understand and improve influenza vaccination in low-income populations regardless of their health insurance/immigration status. It assessed client satisfaction and experiences with services provided at community-based "flu outreach" clinics in South Los Angeles. The clinics represent a community-public agency partnership-a model of vaccine delivery that was relatively novel to the region. During 2011-2012, a self-administered questionnaire was distributed to clients of the local health department's 39 flu outreach clinics in South Los Angeles. The study utilized a 10-item satisfaction scale and survey questions that gauged client history and experiences with present and prior vaccinations. Of 4,497 adults who were eligible, 3,860 completed the survey (participation rate = 86%). More than 90% were satisfied with their experiences at the clinics. Younger adults were significantly more likely than adults aged 65+ to report not having been vaccinated in the previous year (p Los Angeles suggests that this model for vaccine delivery could lead to meaningful client experience of care. Local health departments could capitalize on this model to improve preventive services delivery for the underserved. © 2017 Wiley Periodicals, Inc.

  12. The undergraduate physics tutorial program at CSU Los Angeles assessment of utility and areas of interest

    Science.gov (United States)

    Avetyan, Smbat

    The Physics Education Research (PER) group at the University of Washington have researched traditional teaching methods and found that students in introductory physics are lacking a conceptual understanding of the physics material. The solution they put forth is an interactive tutorial program designed to meet the lack of conceptual understanding. Since the tutorial programs inception at CSU Los Angeles in Fall 2006 no evaluation has been successfully undertaken therefore the effect of the tutorial program in the physics 200 series is deeply obscure to the department. The research has shed light on the tutorial program and brought into context its effectiveness on the overall physics 200 series courses at CSU Los Angeles. The researcher has addressed the following research questions, what overall effect does the tutorial program have on the Physics 200 series curriculum? What is the size and significance of gains attributable to the undergraduate calculus based Physics 200 series tutorial program at CSU Los Angeles? What can we learn from gains about individual weekly lessons from the Physics 200 series tutorial courses? What is the correlation of tutorial gains with student final course grades? Are the gains from the tutorial program different for genders? Is there a difference in gains based on the different students' colleges?

  13. Chagas Disease Awareness among Latin American Immigrants Living in Los Angeles, California

    Science.gov (United States)

    Sanchez, Daniel R.; Traina, Mahmoud I.; Hernandez, Salvador; Smer, Aiman M.; Khamag, Haneen; Meymandi, Sheba K.

    2014-01-01

    Approximately 300,000 persons have Chagas disease in the United States, although almost all persons acquired the disease in Latin America. We examined awareness of Chagas disease among Latin American immigrants living in Los Angeles, California. We surveyed 2,677 persons (age range = 18–60 years) in Los Angeles who resided in Latin America for at least six months. A total of 62% of the participants recalled seeing triatomines in Latin America, and 27% of the participants reported triatomine bites at least once per year while living abroad. A total of 86% of the participants had never heard of Chagas disease. Of persons who had heard of Chagas disease, 81% believed that it was not serious. More than 95% of those who had heard of Chagas disease would want to be tested and treated. Most Latin American immigrants living in Los Angeles recalled exposure to vectors of Chagas disease. However, they have little knowledge of this disease. Increasing awareness of Chagas disease is needed in this high-risk population. PMID:25200261

  14. Alcohol outlet density and alcohol consumption in Los Angeles county and southern Louisiana

    Directory of Open Access Journals (Sweden)

    Matthias Schonlau

    2008-11-01

    Full Text Available The objective of this study was to assess the relationship between alcohol availability, as measured by the density of off-premise alcohol outlets, and alcohol consumption in Los Angeles county and southern Louisiana, USA. Consumption information was collected through a telephone survey of 2,881 households in Los Angeles county and pre-Katrina southern Louisiana, nested within 220 census tracts. Respondents’ addresses were geo-coded and both neighbourhood (census tracts and buffers of varying sizes and individual (network distance to the closest alcohol outlet estimates of off-sale alcohol outlet density were computed. Alcohol outlet density was not associated with the percentage of people who were drinkers in either site. Alcohol outlet density was associated with the quantity of consumption among drinkers in Louisiana but not in Los Angeles. Outlet density within a one-mile buffer of the respondent’s home was more strongly associated with alcohol consumption than outlet density in the respondent’s census tract. The conclusion is that the relationship between neighbourhood alcohol outlet density and alcohol consumption is complex and may vary due to differences in neighbourhood design and travel patterns.

  15. Health of adults in Los Angeles County: findings from the National Health and Nutrition Examination Survey, 1999-2004.

    Science.gov (United States)

    Porter, Kathryn S; Curtin, Lester R; Carroll, Margaret D; Li, Xianfen; Mohadjer, Leyla; Shih, Margaret; Simon, Paul A; Fielding, Jonathan E

    2011-09-01

    Los Angeles County has the largest population of any county in the nation. Population-based estimates of health conditions for Los Angeles County are based primarily on telephone surveys, which are known to underestimate conditions of public health importance. This report presents the prevalence of selected health conditions for civilian noninstitutionalized adults aged 20 and over living in Los Angeles County households and group quarters, based on survey data using direct physical measurements. Combined data from the 1999-2000, 2001-2002, and 2003-2004 National Health and Nutrition Examination Surveys (NHANES), conducted by the Centers for Disease Control and Prevention's National Center for Health Statistics, were used for this report. Sample weights were recalculated for participants examined in Los Angeles County using population totals provided by the Los Angeles County Department of Public Health, excluding the institutionalized population. Compared with the nation as a whole, adults in Los Angeles County had similar rates of health conditions even after age and age-race adjustment, with a few exceptions. A significantly smaller proportion of Los Angeles County adults were obese (age-adjusted rate, 23.8%) compared with the United States (31.0%); this difference held after age-race adjustment. The age-adjusted rate of diagnosed diabetes for men was higher in Los Angeles County (9.1%) than in the nation (7.3%); however, this difference did not hold after age-race adjustment. The rates of total diabetes adjusted for age and age-race were similar for men in Los Angeles County and the United States. The rates of selected health conditions in this report were similar for adults in Los Angeles County compared with adults in the United States, with the exception of obesity. The rates of obesity adjusted for age and age-race were lower among Los Angeles County adults compared with national rates. Health estimates based on direct physical measurements can be useful

  16. Industria cinematografica e turismo nell’immaginario collettivo: Los Angeles tra mito e creatività

    Directory of Open Access Journals (Sweden)

    Franca Miani

    2016-05-01

    Full Text Available Obiettivo del contributo è quello di proporre alcuni spunti di riflessione sul caso della città di celluloide più nota al mondo: Los Angeles. Più in particolare s’intende analizzare la stretta relazione che intercorre tra l’attrattività turistica della metropoli e l’industria cinematografica.  Come ben noto, Los Angeles continua da quasi un secolo a suggestionare l’immaginario collettivo in quanto mecca del cinema e patria di Hollywood, l’industria che ha creato il sogno americano. Tuttavia LA, oggi, è anche una delle prime dieci città mondiali. Rappresenta l’esempio di come l’industria creativa (e il cinema è creatività per definizione sia riuscita a realizzare un sistema economico e d’innovazione tecnologica che funziona come polo di attrazione sia per tutti coloro che intendono sviluppare nuove attività, non possibili in altre parti del mondo, sia per visitatori e turisti attirati da un insieme di fattori emozionali legati alla notorietà dei luoghi del sistema cinematografico e dello spettacolo. Sulla base dell’analisi della letteratura e facendo seguito a esperienze di studio sul campo, il contributo vuole evidenziare la stretta connessione costruita nel corso di più di un secolo tra Hollywood, il luogo, e Hollywood, l’industria, per dimostrare come il luogo di produzione rappresenti una componente unica del prodotto finale, un’autenticazione di qualità soggettive e simboliche in grado di amplificare il valore economico intrinseco e di provocare un’attrazione crescente di attività e persone verso l’area metropolitana di Los Angeles.   This paper discusses Los Angeles as the best-known celluloid city in the world, and focuses particularly on the close relationship between its attractiveness for tourists and the film industry. For almost a century Los Angeles has exerted influence over the collective imagination as the mecca of cinema and home of Hollywood, the industry that created the American dream

  17. Sob a sombra de Carmen Miranda e do carnaval: brasileiras em Los Angeles Under the shadow of Carmen Miranda and carnival: brazilian women in Los Angeles

    Directory of Open Access Journals (Sweden)

    Bernadete Beserra

    2007-06-01

    Full Text Available Neste artigo, analiso como brasileiras de classes média e média alta em Los Angeles lidam com o fenômeno da exotização das suas imagens. Observo que, embora originalmente articuladas a partir de Hollywood (Carmen Miranda nos limites da hierarquia entre as nações e do colonialismo, essas imagens são hoje alimentadas e recriadas também pelos próprios brasileiros. Uma das idéias centrais que defendo aqui é que embora tais imagens inicialmente restrinjam a ação das brasileiras, uma vez que sempre impõem o diálogo com os seus conteúdos, elas não o fazem permanentemente, ou seja, no processo de integração há espaço para a negociação de outras imagens e conteúdos e isto depende de fatores que vão além da exotização em si.This article discusses how middle and upper-middle class Brazilian women deal with their exoticized images in Los Angeles. It points out that although originally articulated from Hollywood (Carmen Miranda, within the limits of the hierarchy of nations and colonialism, today these images are also fed and recreated by Brazilians. One of the central ideas presented is that, despite constraining the movements and actions of the women, imposing on them the need to dialogue with their content, these exotic images do not do it permanently. In other words, in the process of integration, there is always room for negotiation of other images and contents that depend on factor other than exoticization itself.

  18. In Situ Carbon Dioxide and Methane Measurements from a Tower Network in Los Angeles

    Science.gov (United States)

    Verhulst, K. R.; Karion, A.; Kim, J.; Sloop, C.; Salameh, P.; Yadav, V.; Mueller, K.; Pongetti, T.; Newman, S.; Wong, C.; Hopkins, F. M.; Rao, P.; Miller, J. B.; Keeling, R. F.; Weiss, R. F.; Miller, C. E.; Duren, R. M.; Andrews, A. E.

    2016-12-01

    Urbanization has concentrated a significant fraction of the world's anthropogenic greenhouse gas (GHG) emissions into a relatively small fraction of the earth's land surface. Concern about rising GHG levels has motivated many nations to begin regulating and/or mitigating emissions, motivating the need for robust, consistent, traceable GHG observation methods in complex urban domains. The Los Angeles Megacity Carbon Project involves continuous and flask sampling of GHGs, trace gases, and isotopes at surface sites situated throughout the greater Los Angeles (LA) area. There are three signals of interest for utilizing urban GHG measurements in local or regional inverse modeling studies: (1) changes in the measured mole fraction at one location within a 24-hour period, (2) gradients in the measured mole fraction between locations within the surface measurement network, (3) local enhancements, or the difference between a measurement at one location and an inferred local "background" mole fraction. We report CO2 and CH4 measurements collected from eleven wavelength-scanned cavity ring-down analyzers (Picarro, Inc.). All sites use an internally consistent sampling protocol and calibration strategy. We show that the LA observation sites exhibit significant GHG enhancements relative to background, with evidence of systematic diurnal, weekly, and monthly variability. In Los Angeles, the "ideal" background sampling location could vary substantially depending on the time of year and local meteorology. Use of a single site for background determination may not be sufficient for reliable determination of GHG enhancements. We estimate the total uncertainty in the enhancement and examine how the choice of background influences the GHG enhancement signal. Uncertainty in GHG enhancements will ultimately translate into uncertainty in the fluxes derived from inverse modeling studies. In future work, the LA surface observations will be incorporated into an inverse-modeling framework to

  19. Spatial patterns and source attribution of urban methane in the Los Angeles Basin

    Science.gov (United States)

    Hopkins, Francesca M.; Kort, Eric A.; Bush, Susan E.; Ehleringer, James R.; Lai, Chun-Ta; Blake, Donald R.; Randerson, James T.

    2016-03-01

    Urban areas are increasingly recognized as a globally important source of methane to the atmosphere; however, the location of methane sources and relative contributions of source sectors are not well known. Recent atmospheric measurements in Los Angeles, California, USA, show that more than a third of the city's methane emissions are unaccounted for in inventories and suggest that fugitive fossil emissions are the unknown source. We made on-road measurements to quantify fine-scale structure of methane and a suite of complementary trace gases across the Los Angeles Basin in June 2013. Enhanced methane levels were observed across the basin but were unevenly distributed in space. We identified 213 methane hot spots from unknown emission sources. We made direct measurements of ethane to methane (C2H6/CH4) ratios of known methane emission sources in the region, including cattle, geologic seeps, landfills, and compressed natural gas fueling stations, and used these ratios to determine the contribution of biogenic and fossil methane sources to unknown hot spots and to local urban background air. We found that 75% of hot spots were of fossil origin, 20% were biogenic, and 5% of indeterminate source. In regionally integrated air, we observed a wider range of C2H6/CH4 values than observed previously. Fossil fuel sources accounted for 58-65% of methane emissions, with the range depending on the assumed C2H6/CH4 ratio of source end-members and model structure. These surveys demonstrated the prevalence of fugitive methane emissions across the Los Angeles urban landscape and suggested that uninventoried methane sources were widely distributed and primarily of fossil origin.

  20. Projected health impact of the Los Angeles City living wage ordinance.

    Science.gov (United States)

    Cole, Brian L; Shimkhada, Riti; Morgenstern, Hal; Kominski, Gerald; Fielding, Jonathan E; Wu, Sheng

    2005-08-01

    To estimate the relative health effects of the income and health insurance provisions of the Los Angeles City living wage ordinance. About 10 000 employees of city contractors are subject to the Los Angeles City living wage ordinance, which establishes an annually adjusted minimum wage (7.99 US dollars per hour in July 2002) and requires employers to contribute 1.25 US dollars per hour worked towards employees' health insurance, or, if health insurance is not provided, to add this amount to wages. As part of a comprehensive health impact assessment (HIA), we used estimates of the effects of health insurance and income on mortality from the published literature to construct a model to estimate and compare potential reductions in mortality attributable to the increases in wage and changes in health insurance status among workers covered by the Los Angeles City living wage ordinance. The model predicts that the ordinance currently reduces mortality by 1.4 deaths per year per 10,000 workers at a cost of 27.5 million US dollars per death prevented. If the ordinance were modified so that all uninsured workers received health insurance, mortality would be reduced by eight deaths per year per 10,000 workers at a cost of 3.4 million US dollars per death prevented. The health insurance provisions of the ordinance have the potential to benefit the health of covered workers far more cost effectively than the wage provisions of the ordinance. This analytical model can be adapted and used in other health impact assessments of related policy actions that might affect either income or access to health insurance in the affected population.

  1. Perceptions of neighborhood safety and asthma among children and adolescents in Los Angeles: a multilevel analysis.

    Directory of Open Access Journals (Sweden)

    Marlene Camacho-Rivera

    Full Text Available BACKGROUND: Research examining the impact of neighborhoods on asthma has shown an increased interest in the role of the psychosocial environment. We examined the associations between various measures of neighborhood safety, individual and family characteristics, and asthma outcomes among children in Los Angeles. METHODS: Multilevel logistic regression models were used to analyze data on 3,114 children across 65 neighborhoods from Wave 1 of the Los Angeles Family and Neighborhood Survey (2000 to 2002. Primary caregivers reported asthma outcome and all individual covariates; home environmental characteristics were observed by the interviewer. RESULTS: In fully adjusted models, parents who reported their neighborhood fairly safe or somewhat dangerous had lower odds of reported lifetime asthma compared to those who reported their neighborhood completely safe (OR 0.71; 95% CI 0.52-0.96 and OR 0.60; 95% CI 0.42-0.88 respectively. Conversely, parents who reported they could not trust their neighbors to keep their children safe had a nearly 40% increase in lifetime asthma compared to those who reported they could trust their neighbors to keep their children safe (OR 1.39; 95% CI 1.07-1.81. CONCLUSIONS: The study demonstrates a complex pattern between various measures of neighborhood safety and asthma and suggests that these relationships may operate differently in Los Angeles. As an increasing proportion of children are growing up in newer Western and Southwestern cities, which have different physical layouts and residential segregation patterns compared to Northeast and Midwestern cities, future studies should continue to examine neighborhood psychosocial stressors and asthma in diverse contexts.

  2. Crustal structure and tectonics from the Los Angeles basin to the Mojave Desert, southern California

    Science.gov (United States)

    Fuis, G. S.; Ryberg, T.; Godfrey, N. J.; Okaya, D. A.; Murphy, J. M.

    2001-01-01

    A seismic refraction and low-fold reflection survey, known as the Los Angeles Region Seismic Experiment (LARSE), was conducted along a transect (line 1) extending from Seal Beach, California, to the Mojave Desert, crossing the Los Angeles and San Gabriel Valley basins and San Gabriel Mountains. The chief result of this survey is an interpreted cross section that addresses a number of questions regarding the crustal structure and tectonics of southern California that have been debated for decades and have important implications for earthquake hazard assessment. The results (or constraints) are as follows. (1) The maximum depth of the Los Angeles basin along line 1 is 8 9 km. (2) The deep structure of the Sierra Madre fault zone in the northern San Gabriel Valley is as follows. The Duarte branch of the Sierra Madre fault zone forms a buried, 2.5-km-high, moderately north dipping buttress between the sedimentary and volcanic rocks of the San Gabriel Valley and the igneous and metamorphic rocks of the San Gabriel Mountains. (For deeper structure, see following.) (3) There are active crustal décollements in southern California. At middle-crustal depths, the Sierra Madre fault zone appears to sole into a master décollement that terminates northward at the San Andreas fault and projects southward beneath the San Gabriel Valley to the Puente Hills blind thrust fault. (4) The dip and depth extent of the San Andreas fault along line 1 dips steeply (˜83°) northward and extends to at least the Moho. (5) The subsurface lateral extent of the Pelona Schist in southern California is as follows. Along line 1, the Pelona Schist underlies much, if not all of the San Gabriel Mountains south of the San Andreas fault to middle-crustal depths. North of the San Andreas fault, it is apparently not present along the transect.

  3. Near-infrared remote sensing of Los Angeles trace gas distributions from a mountaintop site

    Directory of Open Access Journals (Sweden)

    D. Fu

    2013-10-01

    Full Text Available The Los Angeles basin is a significant anthropogenic source of major greenhouse gases (CO2 and CH4 and the pollutant CO, contributing significantly to regional and global climate change. We present a novel approach for monitoring the spatial and temporal distributions of greenhouse gases in the Los Angeles basin using a high-resolution spectroscopic remote sensing technique. A new Fourier Transform Spectrometer called CLARS-FTS has been deployed since May 2010 at JPL's California Laboratory for Atmospheric Remote Sensing (CLARS on Mt. Wilson, California for automated long-term measurements of greenhouse gases. The instrument design and performance of CLARS-FTS are presented. From its mountaintop location at an altitude of 1673 m, the instrument points at a programmed sequence of ground target locations in the Los Angeles basin, recording spectra of reflected near-IR solar radiation. Column-averaged dry-air mole fractions of greenhouse gases (XGHG including XCO2, XCH4, and XCO are retrieved several times per day for each target. Spectra from a local Spectralon® scattering plate are also recorded to determine background (free tropospheric column abundances above the site. Comparisons between measurements from LA basin targets and the Spectralon® plate provide estimates of the boundary layer partial column abundances of the measured species. Algorithms are described for transforming the measured interferograms into spectra, and for deriving column abundances from the spectra along with estimates of the measurement precision and accuracy. The CLARS GHG measurements provide a means to infer relative, and possibly absolute, GHG emissions.

  4. Differentiating Tectonic and Anthropogenic Earthquakes in the Greater Los Angeles Basin, Southern California

    Science.gov (United States)

    Hauksson, E.; Goebel, T.; Cochran, E. S.; Ampuero, J. P.

    2014-12-01

    The 2014 flurry of moderate earthquakes in the Los Angeles region raised the concern if some of this or past seismicity was of anthropogenic origin as opposed to being caused by ongoing transpressional tectonics. The Mw5.1 La Habra sequence is located near several major oil fields but the Mw4.4 Encino sequence was located away from oil fields, within the Santa Monica Mountains. The last century of seismicity in the Los Angeles area consists of numerous small and large earthquakes. Most of these earthquakes occur beneath the basin sediments and are associated with transpressional tectonics, related to the big bend in the San Andreas fault, but some could be associated with large oil fields. In particular, both the 1933 Mw6.4 Long Beach and the 1987 Mw5.9 Whittier Narrows earthquakes were spatially associated with two major oil fields, the Huntington Beach and Montebello fields. Numerous large oil fields have been in production for more than 125 years. The geographical locations of the oil fields follow major tectonic trends such as the Newport-Inglewood fault, the Whittier fault, and the thrust belt located at the north edge of the Los Angeles basin. More than 60 fields have oil wells and some of these have both disposal and fracking wells. Before fluid injection became common, Kovach (1974) documented six damaging events induced by fluid extraction from 1947 to 1961 in the Wilmington oil field. Since 1981 the waveform-relocated earthquake catalog for the Los Angeles basin is complete on the average above M2.0. We compare the spatial distribution of these events and the proximity of nearby active oil fields. We will also analyze the seismicity in the context of available monthly fluid extraction and injection volumes and search for temporal correlations. The La Habra sequence apparently correlates with temporal changes in extraction and injection volumes in the Santa Fe Springs oil field but not with activities in other oil fields within closer spatial proximity.

  5. Factors predicting the capacity of Los Angeles city-region recreation programs to promote energy expenditure.

    Science.gov (United States)

    Reynolds, Kim D; Dahmann, Nicholas; Wolch, Jennifer; Joassart-Marcelli, Pascale; Dunton, Genevieve; Rudulph, Diana; Newell, Joshua; Thayer, Jennifer; Jerrett, Michael

    2014-07-01

    An audit of recreation programs with moderate or higher levels of physical activity (PA) in Los Angeles area cities (N=82) was conducted using internet, telephone, and survey methods. Metabolic Equivalents (METs) were used to code programs׳ physical activity intensity. MET-hours per recreation program was associated with required age for enrollment, percent of residents >64 years of age, and fiscal capacity of cities. Capacity to promote energy expenditure may depend on targeted age groups, age of population, and municipal fiscal capacity. Cities with lower fiscal capacity might offer those higher MET-hour activities which require less specialized equipment and seek outside funding to offer higher MET programs.

  6. Jewish spirituality through actions in time: daily occupations of young Orthodox Jewish couples in Los Angeles.

    Science.gov (United States)

    Frank, G; Bernardo, C S; Tropper, S; Noguchi, F; Lipman, C; Maulhardt, B; Weitze, L

    1997-03-01

    Ethnographic methods were used to study daily occupations and weekly routines of four young Orthodox Jewish couples living in Los Angeles. Data from interviews and participant observation demonstrate the importance to the couples of fulfilling God's commandments [Hebrew, mitzvot], which organize and sanctify the otherwise mundane activities of daily living, such as eating, bathing sleeping, and rising. The article focuses on the couples' experiences in (a) observing the Sabbath, (b) studying and praying, and (c) keeping a kosher home. Orthodox Jewish ritual, practice, and spirituality are time bound and action oriented. Occupational therapists can benefit from understanding how Orthodox Jews invest and experience spiritual meaning in seemingly mundane occupations and routines.

  7. Notes from the field: identification of a Taenia tapeworm carrier - Los Angeles County, 2014.

    Science.gov (United States)

    Croker, Curtis; Soriano, Jan; Civen, Rachel; Larsen, Robert A; Schwartz, Benjamin

    2015-01-30

    Carriers of the pork tapeworm, Taenia solium, are the sole source of cysticercosis, a parasitic tissue infection. When tapeworm eggs excreted by the carrier are ingested, tapeworm larvae can form cysts. When cysts form in the brain, the condition is called neurocysticercosis and can be especially severe. In Los Angeles County an average of 136 county residents are hospitalized with neurocysticercosis each year. The prevalence of Taenia solium carriage is largely unknown because carriage is asymptomatic, making detection difficult. The identification and treatment of tapeworm carriers is an important public health measure that can prevent additional neurocysticercosis cases.

  8. A model study of the impact of emission control strategies on Los Angeles air quality

    Science.gov (United States)

    Hameed, S.; Stewart, R. W.; Lebedeff, S. A.

    1976-01-01

    A generalized cell model is developed for the calculation of city-wide averages of photochemical smog components in Los Angeles. This model takes into account the effects of variations with time and within the city of the source strengths, the wind field, and the mixing depth. The effect of the influx of background pollution from outside the modeled volume is also included. Several control strategies for reducing automobile emissions are then introduced into the model, and their impact on predicted pollutant levels, particularly those of O3, are investigated.

  9. Public opinion on nutrition-related policies to combat child obesity, Los Angeles County, 2011.

    Science.gov (United States)

    Simon, Paul A; Chiang, Choiyuk; Lightstone, Amy S; Shih, Margaret

    2014-06-05

    We assessed public opinion on nutrition-related policies to address child obesity: a soda tax, restrictions on advertising unhealthy foods and beverages to children, and restrictions on siting fast food restaurants and convenience stores near schools. We analyzed data from 998 adults (aged ≥18 years) in the 2011 Los Angeles County Health Survey. Support was highest for advertising restrictions (74%), intermediate for a soda tax (60%), and lowest for siting restrictions on fast food restaurants and convenience stores (44% and 37%, respectively). Support for food and beverage advertising restrictions and soda taxation is promising for future policy efforts to address child obesity.

  10. The conundrum of police officer-involved homicides: Counter-data in Los Angeles County

    Directory of Open Access Journals (Sweden)

    Morgan Currie

    2016-08-01

    Full Text Available This paper draws from critical data studies and related fields to investigate police officer-involved homicide data for Los Angeles County. We frame police officer-involved homicide data as a rhetorical tool that can reify certain assumptions about the world and extend regimes of power. We highlight the possibility that this type of sensitive civic data can be investigated and employed within local communities through creative practice. Community involvement with data can create a countervailing force to powerful dominant narratives and supplement activist projects that hold local officials accountable for their actions. Our analysis examines four Los Angeles County police officer-involved homicide data sets. First, we provide accounts of the semantics, granularity, scale and transparency of this local data. Then, we describe a “counter data action,” an event that invited members of the community to identify the limits and challenges present in police officer-involved homicide data and to propose new methods for deriving meaning from these indicators and statistics.

  11. Playa Del Rey oil field, Los Angeles County, California-- natural gas storage

    Energy Technology Data Exchange (ETDEWEB)

    Barnds, R.M.

    1968-01-01

    The Playa del Rey oil field is on Santa Monica Bay, about 15 miles SW. of Los Angeles. The sedimentary rocks of the field were deposited on the flanks and over the ridge of an erosional surface of Franciscan schist. A NW.-trending anticline resulted from deposition and compaction over the ridge. An apron of schistose clastic material was deposited in the littoral zone at the base of the ridge and in embayments formed by the lateral channels. Conformably overlying the basal conglomerate (productive lower zone) and unconformably overlying the schist is a dark brown, compact shale with abundant small lenticular streaks and nodules of calcium phosphate. The rest of the Miocene rock column is composed of about 500 ft of hard, compact black shale and sandy shale, which is conformably overlain by the typical Los Angeles-basin Pliocene and Pleistocene rocks. The upper oil zone is in the lower Pliocene. The Playa del Rey Field is productive from both the lower zone and from sedimentary rocks of the anticline. There are widely varied porosity and permeability values throughout the Del Rey Hills area. That part chosen for the gas-storage project is where the basal conglomerate overlying the Franciscan schist is overlain by the nodular shale.

  12. Risk Factors for Dog Relinquishment to a Los Angeles Municipal Animal Shelter

    Directory of Open Access Journals (Sweden)

    Emily D. Dolan

    2015-12-01

    Full Text Available Dog relinquishment is a large component of shelter intake in the United States. Research has shown traits of the dog are associated with relinquishment as well as general characteristics of those relinquishing. Low income is often cited as a risk factor for relinquishment. The majority of people with lower incomes, however, do not relinquish. A group of people accessing a shelter in a low socioeconomic region of Los Angeles to relinquish their dogs was surveyed. This study examined risk factors for relinquishment, controlling for household income, compared to a group utilizing low cost spay/neuter services. A total of 76.9% of those relinquishing noted cost as a reason for relinquishment. Of participants in the relinquishment group, 80.7% reported not being aware of any services available to them. Most notable in the findings was that the odds of relinquishment were generally higher as the amount of perceived stress in the home in the past three months increased. The majority of people in both groups reported being emotionally attached to the dog. In this sample from a South Los Angeles community, the majority of reasons for relinquishment were likely solvable with assistance. These findings highlight an opportunity to assess community needs and provide community specific alternatives to relinquishment.

  13. Risk Factors for Dog Relinquishment to a Los Angeles Municipal Animal Shelter.

    Science.gov (United States)

    Dolan, Emily D; Scotto, Jamie; Slater, Margaret; Weiss, Emily

    2015-12-10

    Dog relinquishment is a large component of shelter intake in the United States. Research has shown traits of the dog are associated with relinquishment as well as general characteristics of those relinquishing. Low income is often cited as a risk factor for relinquishment. The majority of people with lower incomes, however, do not relinquish. A group of people accessing a shelter in a low socioeconomic region of Los Angeles to relinquish their dogs was surveyed. This study examined risk factors for relinquishment, controlling for household income, compared to a group utilizing low cost spay/neuter services. A total of 76.9% of those relinquishing noted cost as a reason for relinquishment. Of participants in the relinquishment group, 80.7% reported not being aware of any services available to them. Most notable in the findings was that the odds of relinquishment were generally higher as the amount of perceived stress in the home in the past three months increased. The majority of people in both groups reported being emotionally attached to the dog. In this sample from a South Los Angeles community, the majority of reasons for relinquishment were likely solvable with assistance. These findings highlight an opportunity to assess community needs and provide community specific alternatives to relinquishment.

  14. Los Angeles phonospirometry technique: creating a normogram that correlates with peak expiratory flow measurements in children.

    Science.gov (United States)

    Ochoa, Kelly; Nunez, Jeranil; Wang, Vincent J

    2015-09-01

    Measurement of peak expiratory flow (PEF) is recommended in the assessment of patients with asthma. However, the use of PEF involves multiple barriers, which have limited its use. Phonospirometry, as assessed by a novel Los Angeles phonospirometry technique, has shown good correlation to standard PEF measurements in a pilot study on symptomatic patients with asthma. We sought to develop a normogram for phonospirometry, and to validate the PEF normogram. A convenience sample of asymptomatic children ages 3-17 years old was approached for participation in the Emergency Department. Sample size calculations determined that at least 30 children per age group (n = 450) were needed. Children were asked to perform PEF measurements and phonospirometry, measured as the length of time (in s) the child was able to chant "lalala" in a single breath. 510 children were enrolled. Spearman's rho between PEF and phonospirometry was 0.722. Phonospirometry correlated with both age and height, with a Spearman rho of 0.697 and 0.696, respectively. This was slightly lower than the correlation of PEF with age and height with Spearman rhos of 0.877 and 0.902, respectively. A normogram was developed for phonospirometry based on age and height. This study determined normal value ranges for the Los Angeles phonospirometry technique for age and height, and also showed that the technique has good correlation with PEF. This technique may be used to assess a pediatric patient with an acute asthma exacerbation.

  15. Behavior change following HIV diagnosis: findings from a Cohort of Los Angeles MSM.

    Science.gov (United States)

    Gorbach, Pamina M; Javanbakht, Marjan; Bolan, Robert K

    2017-08-18

    The effect of an HIV diagnosis on subsequent behavior of men who have sex with men (MSM) remains unclear. From 2009 to 2012 the NIDA funded Metromates Study enrolled and followed for one year MSM seeking testing for HIV in Los Angeles, assessing those with new HIV diagnoses for acute/recent HIV infection. Behavioral data were collected via Computer-Assisted Self-Interview from 321 men of whom 125 were classified as recently HIV infected, 91 as not recently HIV infected, and 105 as HIV-negative. Differences over time between those with recent HIV infection, not recent HIV infection, and no HIV were evaluated using bivariate and multivariable analyses for repeat measures to assess associations between HIV group, behaviors and condomless receptive (CRAI), intersertive (CIAI), or any condomless anal intercourse (CAI). Participants were mostly young (59% Los Angeles at that time, there was little indication of behavior change following HIV diagnosis and continued CAI, suggesting that without rapid linkage to care and viral suppression significant transmissions may have been ongoing.

  16. Isotopic constraints on sources of methane in Los Angeles, California, USA (Invited)

    Science.gov (United States)

    Townsend-Small, A.; Tyler, S. C.; Christensen, L.; Xu, X.; Pataki, D. E.

    2009-12-01

    Methane is a powerful greenhouse gas and an important contributor to global warming. Recent studies have suggested that methane emissions in large cities are underestimated with several models even indicating that substantial emissions attributed to cities are in part from regional and/or encroaching agricultural sources rather than from urban fossil fuel sources. We have found that stable isotopes (13-C and D) and radiocarbon (C-14) are excellent tracers of various sources of methane in Los Angeles, California. Measurements of the d13C and dD of methane from discrete sources show excellent separation between urban sources, such as vehicle emissions, power plants, oil refineries, landfills, and sewage treatment plants and agricultural sources like cows, biogas, and cattle feedlots. In addition, radiocarbon is an excellent tracer of modern versus fossil fuel contributions to methane emissions in the region. Preliminary measurements of background air in Los Angeles indicate that the major source of excess methane is vehicle emissions with most additional CH4 likely contributed from among other fossil fuel sources such as oil refining or power plants. We are currently confirming these results with broader field campaigns and additional measurements, including continuous measurements of atmospheric methane concentration using tunable laser spectroscopy. The combination of high-resolution tunable laser concentration measurements and precise isotope measurements using mass spectrometry is a very promising and powerful tool for methane source monitoring.

  17. Measles outbreak associated with an arriving refugee - Los Angeles County, California, August-September 2011.

    Science.gov (United States)

    2012-06-01

    Measles is a highly communicable, acute viral illness with potential for severe complications, including death. Although endemic measles was eliminated in the United States in 2000 as a result of widespread vaccination, sporadic measles outbreaks still occur, largely associated with international travel from measles-endemic countries and pockets of unvaccinated persons. On August 26, 2011, the Los Angeles County Department of Public Health (LACDPH) was notified of suspected measles in a refugee from Burma who had arrived in Los Angeles, California, on August 24, after a flight from Kuala Lumpur, Malaysia. Passengers on the flight included 31 other refugees who then traveled to seven other states, widening the measles investigation and response activities. In California alone, 50 staff members from LACDPH and the California Department of Public Health (CDPH) interviewed and reinterviewed 298 contacts. Measles was diagnosed in three contacts of the index patient (patient A). The three contacts with measles were two passengers on the same flight as patient A and a customs worker; no secondary cases were identified. Delayed diagnosis of measles in patient A and delayed notification of health officials precluded use of measles-mumps-rubella (MMR) vaccine as an outbreak intervention. This outbreak emphasizes the importance of maintaining a high level of vaccination coverage and continued high vigilance for measles in the United States, particularly among incoming international travelers; clinicians should immediately isolate persons with suspected measles and promptly report them to health authorities.

  18. Dry deposition and resuspension of particle-associated metals near a freeway in Los Angeles

    Science.gov (United States)

    Sabin, Lisa D.; Hee Lim, Jeong; Teresa Venezia, Maria; Winer, Arthur M.; Schiff, Kenneth C.; Stolzenbach, Keith D.

    Dry atmospheric deposition represents a potentially large source of pollutant metal contamination in urban stormwater runoff, yet there is a limited amount of research on the relationship between atmospheric emissions and water quality problems in urban areas. In Los Angeles, with air quality that ranks among the worst in the United States, significant quantities of toxic materials are released into the atmosphere every day, and paved road dust represents the largest source of particle-associated metal emissions to the atmosphere. In order to better understand the role of roadways as a source of localized metal deposition, we characterized the horizontal dry deposition patterns of chromium, copper, lead, nickel and zinc upwind and at increasing distances downwind of the I-405 Freeway in coastal Los Angeles. Dry deposition fluxes and atmospheric concentrations of these metals were highest at the site closest to the freeway, and reduced to approximately urban background concentrations between 10 and 150 m downwind of the freeway. Compared with urban background, atmospheric particle size distributions indicated the freeway was a significant source of these metals on large particles >6 μm in diameter, which deposit close to their source and account for the increased dry deposition flux rates observed near the freeway. The spatial pattern of measured deposition flux was well predicted by a relatively simple line-source Gaussian plume model modified to include particle deposition and resuspension. The model results indicated dilution by vertical dispersion of the plume was the most important mechanism regulating downwind concentrations and deposition.

  19. Photochemical aging of volatile organic compounds in the Los Angeles basin: Weekday-weekend effect

    Science.gov (United States)

    Warneke, Carsten; Gouw, Joost A.; Edwards, Peter M.; Holloway, John S.; Gilman, Jessica B.; Kuster, William C.; Graus, Martin; Atlas, Elliot; Blake, Don; Gentner, Drew R.; Goldstein, Allen H.; Harley, Robert A.; Alvarez, Sergio; Rappenglueck, Bernhard; Trainer, Michael; Parrish, David D.

    2013-05-01

    During the CalNex (California Research at the Nexus of Air Quality and Climate Change) field study in May-June 2010, measurements of volatile organic compounds (VOCs) were performed in the Los Angeles (LA) basin onboard a NOAA research aircraft and at a ground site located in Pasadena. A weekday-weekend effect in ozone, caused by lower NOx emissions due to reduced diesel truck traffic in the weekends, has been previously observed in Los Angeles and other cities. Measurements in the Caldecott tunnel show that emission ratios of VOCs do not vary with the day of the week, but measurements during CalNex2010 show a VOC weekday-weekend effect through faster photochemical processing at lower ambient NOx mixing ratios. Ambient VOC enhancement ratios of long-lived species such as benzene are the same between weekdays and weekends, whereas enhancement ratios of short-lived species, such as trimethyl benzene, are up to a factor of three lower on weekends. Based upon the observed differences in VOC enhancement ratios to CO, we determine that photochemical processing was on average 65%-75% faster on weekends during CalNex2010, which indicates that ambient OH radical concentrations were larger by this factor causing the observed change in VOC composition. A box model calculation based on the Master Chemical Mechanism was used to verify the increase in photochemical processing in the weekends.

  20. Constraining the kinematics of metropolitan Los Angeles faults with a slip-partitioning model

    Science.gov (United States)

    Daout, S.; Barbot, S.; Peltzer, G.; Doin, M.-P.; Liu, Z.; Jolivet, R.

    2016-11-01

    Due to the limited resolution at depth of geodetic and other geophysical data, the geometry and the loading rate of the ramp-décollement faults below the metropolitan Los Angeles are poorly understood. Here we complement these data by assuming conservation of motion across the Big Bend of the San Andreas Fault. Using a Bayesian approach, we constrain the geometry of the ramp-décollement system from the Mojave block to Los Angeles and propose a partitioning of the convergence with 25.5 ± 0.5 mm/yr and 3.1 ± 0.6 mm/yr of strike-slip motion along the San Andreas Fault and the Whittier Fault, with 2.7 ± 0.9 mm/yr and 2.5 ± 1.0 mm/yr of updip movement along the Sierra Madre and the Puente Hills thrusts. Incorporating conservation of motion in geodetic models of strain accumulation reduces the number of free parameters and constitutes a useful methodology to estimate the tectonic loading and seismic potential of buried fault networks.

  1. Racial Disparities in Use of Chiropractic Services by Medicare Beneficiaries Aged 65 to 99 in Los Angeles County, California.

    Science.gov (United States)

    Whedon, James M; Kimura, Melissa N; Phillips, Reed B

    2016-04-01

    Racial and ethnic disparities in utilization of chiropractic services have been described at the state level, but little is known about such local disparities. We analyzed Medicare data for the year 2008 to evaluate by ZIP code for utilization of chiropractic services among older adults in Los Angeles County, California. We evaluated for availability and use of chiropractic services by racial/ethnic category, quantified geographic variations by coefficient of variation, and mapped utilization by selected racial/ethnic categories. Among 7502 beneficiaries who used chiropractic services, 72% were white, 12% Asian, 1% black, 1% Hispanic, and 14% other/unknown. Variation in the number of beneficiaries per ZIP code who used chiropractic services was highest among Hispanics, blacks, and Asians. We found evidence of racial disparities in use of chiropractic services at the local level in Los Angeles County. Older blacks and Hispanics in Los Angeles County may be underserved with regard to chiropractic care.

  2. State of spirituality-infused mental health services in Los Angeles County wellness and client-run centers.

    Science.gov (United States)

    Yamada, Ann-Marie; Subica, Andrew M; Kim, Min Ah; Van Nguyen, Kevin; Lim, Caroline S; Mancuso, Laura L

    2014-11-01

    Spiritual coping is associated with positive mental health outcomes for individuals with serious mental illness, yet spirituality-infused services are seldom offered in public sector mental health agencies. The Los Angeles County Department of Mental Health introduced a policy addressing spirituality in 2012. This study explored the breadth and degree to which spirituality-infused activities were being offered in 53 Los Angeles wellness and recovery centers after the policy was widely disseminated. More than 98 % of the centers offered options for spirituality-infused activities; one-third offered spirituality-focused groups. Los Angeles's progress may guide implementation of spirituality-infused services in other state or local public mental health systems.

  3. Accelerating slip rates on the puente hills blind thrust fault system beneath metropolitan Los Angeles, California, USA

    Science.gov (United States)

    Bergen, Kristian J; Shaw, John H.; Leon, Lorraine A; Dolan, James F; Pratt, Thomas L.; Ponti, Daniel J.; Morrow, Eric; Barrera, Wendy; Rhodes, Edward J.; Murari, Madhav K.; Owen, Lewis

    2017-01-01

    Slip rates represent the average displacement across a fault over time and are essential to estimating earthquake recurrence for proba-bilistic seismic hazard assessments. We demonstrate that the slip rate on the western segment of the Puente Hills blind thrust fault system, which is beneath downtown Los Angeles, California (USA), has accel-erated from ~0.22 mm/yr in the late Pleistocene to ~1.33 mm/yr in the Holocene. Our analysis is based on syntectonic strata derived from the Los Angeles River, which has continuously buried a fold scarp above the blind thrust. Slip on the fault beneath our field site began during the late-middle Pleistocene and progressively increased into the Holocene. This increase in rate implies that the magnitudes and/or the frequency of earthquakes on this fault segment have increased over time. This challenges the characteristic earthquake model and presents an evolving and potentially increasing seismic hazard to metropolitan Los Angeles.

  4. Structure of the Los Angeles Basin from ambient noise and receiver functions

    Science.gov (United States)

    Ma, Yiran; Clayton, Robert W.

    2016-09-01

    A velocity (Vs) and structure model is derived for the Los Angeles Basin, California based on ambient-noise surface wave and receiver-function analysis, using data from a low-cost, short-duration, dense broad-band survey (LASSIE) deployed across the basin. The shear wave velocities show lateral variations at the Compton-Los Alamitos and the Whittier Faults. The basement beneath the Puente Hills-San Gabriel Valley shows an unusually high velocity (˜4.0 km s-1) and indicates the presence of schist. The structure of the model shows that the basin is a maximum of 8 km deep along the profile and that the Moho rises to a depth of 17 km under the basin. The basin has a stretch factor of 2.6 in the centre grading to 1.3 at the edges and is in approximate isostatic equilibrium.

  5. Stratigraphic controls on saltwater intrusion in the Dominguez Gap area of coastal Los Angeles

    Science.gov (United States)

    Edwards, B.D.; Ehman, K.D.; Ponti, D.J.; Reichard, E.G.; Tinsley, J.C.; Rosenbauer, R.J.; Land, M.

    2009-01-01

    The Los Angeles Basin is a densely populated coastal area that significantly depends on groundwater. A part of this groundwater supply is at risk from saltwater intrusion-the impetus for this study. High-resolution seismic-reflection data collected from the Los Angeles-Long Beach Harbor Complex have been combined with borehole geophysical and descriptive geological data from four nearby ??400-m-deep continuously cored wells and with borehole geophysical data from adjacent water and oil wells to characterize the Pliocene to Holocene stratigraphy of the Dominguez Gap coastal aquifer system. The new data are shown as a north-south, two- dimensional, sequence-stratigraphic model that is compared to existing lithostratigraphic models of the Los Angeles Basin in an attempt to better understand pathways of saltwater intrusion into coastal aquifers. Intrusion of saltwater into the coastal aquifer system generally is attributed to over-pumping that caused the hydraulic gradient to reverse during the mid-1920s. Local water managers have used the existing lithostratigraphic model to site closely spaced injection wells of freshwater (barrier projects) attempting to hydraulically control the saltwater intrusion. Improved understanding of the stratigraphic relationships can guide modifications to barrier design that will allow more efficient operation. Allostratigraphic nomenclature is used to define a new sequence-stratigraphic model for the area because the existing lithostratigraphic correlations that have been used to define aquifer systems are shown not to be time-correlative. The youngest sequence, the Holocene Dominguez sequence, contains the Gaspur aquifer at its base. The Gaspur aquifer is intruded with saltwater and consists of essentially flat-lying gravelly sands deposited by the ancestral Los Angeles River as broad channels that occupied a paleovalley incised into the coastal plain during the last glacio-eustatic highstand. The underlying sequences are deformed into

  6. The effects of critical incident stress debriefing (CISD) on emergency medical services personnel following the Los Angeles Civil Disturbance.

    Science.gov (United States)

    Wee, D F; Mills, D M; Koehler, G

    1999-01-01

    This study examined the effects of Critical Incident Stress Debriefing (CISD) upon technicians who provided emergency medical services in South Central Los Angeles during the 1992 Los Angeles Civil Disturbance. The relationships between exposure, debriefing and symptoms of stress were identified and examined. The Frederick Reaction Index-Adult (FRI-A) was used to measure the presence of symptoms characteristic of posttraumatic stress disorder. EMTs who had the opportunity to participate in Critical Incident Stress Debriefings (n = 42) following the incident reported fewer symptoms and scored significantly lower on the FRI-A than those not participating in Critical Incident Stress Debriefing (n = 23).

  7. Perceived and actual environmental benefits of the Los Angeles urban forest

    Science.gov (United States)

    Pataki, D. E.; McCarthy, H. R.

    2011-12-01

    There has been a widespread movement to plant more trees and increase canopy cover in cities throughout the United States, in order to enhance ecosystem services provided by urban forests. The city of Los Angeles has been engaged in a widespread tree planting program with the goal of increasing tree cover, particularly in low income neighborhoods. However, the Los Angeles urban forest is almost entirely non-native, located predominately in former semi-arid shrublands and grasslands. We used multiple approaches to evaluate environmental costs and benefits of urban trees in Los Angeles, both as they are perceived by local residents, as well as actual physical impacts of urban tree processes on the environment. We conducted an internet survey of attitudes and preferences for specific tree functional types, ecosystem services, and potential costs. We also directly measured urban forest structure and function including species and functional biodiversity, transpiration, basal area increments, hydraulic architecture, and leaf gas exchange. We translated these processes into categories of ecosystem services and costs such as water use, latent heat fluxes, water use efficiency, growth rates, sensitivity to drought stress, and aesthetic traits (flowering, fruiting, etc.). We found that provision of shade by urban trees is highly valued by local residents, and in fact, the urban forest has a significant impact on surface temperatures. Aesthetics benefits are also commonly cited as desirable traits. Although aesthetic and other cultural ecosystem services are difficult to quantify, we found spatial patterns in aesthetic traits influenced by neighborhood socioeconomic variables. Local residents seemed less concerned about the water use of irrigated urban trees, but we found significant rates of transpiration in urban trees and forest plots depending on species that may be important in the local hydrologic budget, which is increasingly constrained by water shortages. There was

  8. Quantifying sources of methane and light alkanes in the Los Angeles Basin, California

    Science.gov (United States)

    Peischl, Jeff; Ryerson, Thomas; Atlas, Elliot; Blake, Donald; Brioude, Jerome; Daube, Bruce; de Gouw, Joost; Frost, Gregory; Gentner, Drew; Gilman, Jessica; Goldstein, Allen; Harley, Robert; Holloway, John; Kuster, William; Santoni, Gregory; Trainer, Michael; Wofsy, Steven; Parrish, David

    2013-04-01

    We use ambient measurements to apportion the relative contributions of different source sectors to the methane (CH4) emissions budget of a U.S. megacity. This approach uses ambient measurements of methane and C2-C5 alkanes (ethane through pentanes) and includes source composition information to distinguish between methane emitted from landfills and feedlots, wastewater treatment plants, tailpipe emissions, leaks of dry natural gas in pipelines and/or local seeps, and leaks of locally produced (unprocessed) natural gas. Source composition information can be taken from existing tabulations or developed by direct sampling of emissions using a mobile platform. By including C2-C5 alkane information, a linear combination of these source signatures can be found to match the observed atmospheric enhancement ratios to determine relative emissions strengths. We apply this technique to apportion CH4 emissions in Los Angeles, CA (L.A.) using data from the CalNex field project in 2010. Our analysis of L.A. atmospheric data shows the two largest CH4 sources in the city are emissions of gas from pipelines and/or from geologic seeps (47%), and emissions from landfills (40%). Local oil and gas production is a relatively minor source of CH4, contributing 8% of total CH4 emissions in L.A. Absolute CH4 emissions rates are derived by multiplying the observed CH4/CO enhancement ratio by State of California inventory values for carbon monoxide (CO) emissions in Los Angeles. Apportioning this total suggests that emissions from the combined natural and anthropogenic gas sources account for the differences between top-down and bottom-up CH4 estimates previously published for Los Angeles. Further, total CH4 emission attributed in our analysis to local gas extraction represents 17% of local production. While a derived leak rate of 17% of local production may seem unrealistically high, it is qualitatively consistent with the 12% reported in a recent state inventory survey of the L.A. oil and

  9. San Pedro Hacienda Hotel

    Directory of Open Access Journals (Sweden)

    Neutra, Richard J.

    1960-05-01

    Full Text Available Una de las arterias principales de Los Angeles, la carretera de acceso desde Western Avenue, que relaciona la ciudad con su puerto, permite llegar fácilmente, a través de una pequeña desviación, a la entrada principal del hotel. El sencillo grupo de edificios que lo constituyen, se amolda a la pendiente del terreno, acusando el juego de volúmenes y de sol y sombra para aumentar el interés visual. Al fondo, la severidad del paisaje montañoso contrasta con la tranquilidad del mar, que en este caso, pese a ser el Océano Pacífico el gran mar occidental americano, aparece al E., por estar el edificio situado en la orilla oriental de la península de Falos Verdes.

  10. A critical assessment of the Burning Index in Los Angeles County, California

    Science.gov (United States)

    Schoenberg, F.P.; Chang, H.-C.; Keeley, J.E.; Pompa, J.; Woods, J.; Xu, H.

    2007-01-01

    The Burning Index (BI) is commonly used as a predictor of wildfire activity. An examination of data on the BI and wildfires in Los Angeles County, California, from January 1976 to December 2000 reveals that although the BI is positively associated with wildfire occurrence, its predictive value is quite limited. Wind speed alone has a higher correlation with burn area than BI, for instance, and a simple alternative point process model using wind speed, relative humidity, precipitation and temperature well outperforms the BI in terms of predictive power. The BI is generally far too high in winter and too low in fall, and may exaggerate the impact of individual variables such as wind speed or temperature during times when other variables, such as precipitation or relative humidity, render the environment ill suited for wildfires. ?? IAWF 2007.

  11. Expanding Urban Metabolism: Coupling Methodologies and Integrating Social Factors, a Pilot for Los Angeles County

    Science.gov (United States)

    Pincetl, S.

    2011-12-01

    Urban metabolism is a powerful method for describing resource flows into cities and the waste streams produced as a result of resource use. To date these flows have rarely been geospatially correlated to reveal who uses what type of energy where and the concomitant waste streams. Thus there is little ability to understand energy use in urban areas. Additionally, the social and ecological footprint of the flows have not been drawn and explained. We are developing an expanded and integrated urban metabolism analysis for Los Angeles County, attempting to integrate socio-demographic and geospatial grounding of resource flows and sinks, as well as life cycle, cradle to grave information. This presentation will focus on the reasons for this approach and methodological innovations and challenges.

  12. HYDROGEN AND FUEL CELL EDUCATION AT CALIFORNIA STATE UNIVERSITY, LOS ANGELES

    Energy Technology Data Exchange (ETDEWEB)

    Blekhman, David

    2011-09-30

    California State University, Los Angeles, has partnered with the Department of Energy in addressing the workforce preparation and public education needs of the fuel cell industry and the US economy through a comprehensive set of curriculum development and training activities: * Developing and offering several courses in fuel cell technologies, hydrogen and alternative fuels production, alternative and renewable energy technologies as means of zero emissions hydrogen economy, and sustainable environment. * Establishing a zero emissions PEM fuel cell and hydrogen laboratory supporting curriculum and graduate students teaching and research experiences. * Providing engaging capstone projects for multi-disciplinary teams of senior undergraduate students. * Fostering partnerships with automotive OEMs and energy providers. * Organizing and participating in synergistic projects and activities that grow the program and assure its sustainability.

  13. Responses of a tall building in Los Angeles, California as inferred from local and distant earthquakes

    Science.gov (United States)

    Celebi, Mehmet; Hasan Ulusoy,; Nori Nakata,

    2016-01-01

    Increasing inventory of tall buildings in the United States and elsewhere may be subjected to motions generated by near and far seismic sources that cause long-period effects. Multiple sets of records that exhibited such effects were retrieved from tall buildings in Tokyo and Osaka ~ 350 km and 770 km from the epicenter of the 2011 Tohoku earthquake. In California, very few tall buildings have been instrumented. An instrumented 52-story building in downtown Los Angeles recorded seven local and distant earthquakes. Spectral and system identification methods exhibit significant low frequencies of interest (~0.17 Hz, 0.56 Hz and 1.05 Hz). These frequencies compare well with those computed by transfer functions; however, small variations are observed between the significant low frequencies for each of the seven earthquakes. The torsional and translational frequencies are very close and are coupled. Beating effect is observed in at least two of the seven earthquake data.

  14. "Weak-Center" Gentrification and the Contradictions of Containment: deconcentrating poverty in downtown Los Angeles.

    Science.gov (United States)

    Reese, Ellen; DeVerteuil, Geoffrey; Thach, Leanne

    2010-01-01

    This case study of recent efforts to deconcentrate poverty within the Skid Row area of Los Angeles examines processes of "weak-center" gentrification as it applies to a "service dependent ghetto," thus filling two key gaps in prior scholarship. We document the collaboration between the government, business and development interests, and certain non-profit agencies in this process and identify two key mechanisms of poverty deconcentration: housing/service displacement and the criminalization of low income residents. Following Harvey, we argue that these efforts are driven by pressures to find a "spatial fix" for capital accumulation through Downtown redevelopment. This process has been hotly contested, however, illustrating the strength of counter-pressures to gentrification/poverty deconcentration within "weak-center" urban areas.

  15. Quantitative x-ray diffraction mineralogy of Los Angeles basin core samples

    Science.gov (United States)

    Hein, James R.; McIntyre, Brandie R.; Edwards, Brian D.; Lakota, Orion I.

    2006-01-01

    This report contains X-ray diffraction (XRD) analysis of mineralogy for 81 sediment samples from cores taken from three drill holes in the Los Angeles Basin in 2000-2001. We analyzed 26 samples from Pier F core, 29 from Pier C core, and 26 from the Webster core. These three sites provide an offshore-onshore record across the Southern California coastal zone. This report is designed to be a data repository; these data will be used in further studies, including geochemical modeling as part of the CABRILLO project. Summary tables quantify the major mineral groups, whereas detailed mineralogy is presented in three appendices. The rationale, methodology, and techniques are described in the following paper.

  16. Shallow seismic imaging of folds above the Puente Hills blind-thrust fault, Los Angeles, California

    Science.gov (United States)

    Pratt, Thomas L.; Shaw, John H.; Dolan, James F.; Christofferson, Shari A.; Williams, Robert A.; Odum, Jack K.; Plesch, Andreas

    2002-05-01

    High-resolution seismic reflection profiles image discrete folds in the shallow subsurface (Puente Hills blind-thrust fault system, Los Angeles basin, California. The profiles demonstrate late Quaternary activity at the fault tip, precisely locate the axial surfaces of folds within the upper 100 m, and constrain the geometry and kinematics of recent folding. The Santa Fe Springs segment of the Puente Hills fault zone shows an upward-narrowing kink band with an active anticlinal axial surface, consistent with fault-bend folding above an active thrust ramp. The Coyote Hills segment shows an active synclinal axial surface that coincides with the base of a 9-m-high scarp, consistent with tip-line folding or the presence of a backthrust. The seismic profiles pinpoint targets for future geologic work to constrain slip rates and ages of past events on this important fault system.

  17. Body Image of Dancers in Los Angeles: The Cult of Slenderness and Media Influence among Dance Students

    Science.gov (United States)

    Heiland, Teresa L.; Murray, Darrin S.; Edley, Paige P.

    2008-01-01

    Body image and self-esteem are examined through personal stories among Los Angeles college dancers who grew up in the Hollywood culture of the cult of slenderness. The study incorporates a body image survey, eating disorder screen, and an interview process capturing dancers' lived experiences with daily pressures. Dancers reveal their experiences…

  18. Los Angeles Community College District: Proposed Reforms Have Not Fully Addressed Past Problems and Create a New Set of Challenges.

    Science.gov (United States)

    California State Office of the Auditor General, Sacramento.

    This report was conducted by the California State Auditor to examine the fiscal problems facing the Los Angeles Community College District. It is divided into four chapters. Chapter 1, "Costly Policies and Poor Management Have Led to the District's Deteriorating Fiscal Condition," describes the financial downturn the district has…

  19. Network Correlates of Sexual Health Advice Seeking and Substance Use among Members of the Los Angeles House and Ball Communities

    Science.gov (United States)

    Holloway, Ian W.; Schrager, Sheree M.; Wong, Carolyn F.; Dunlap, Shannon L.; Kipke, Michele D.

    2014-01-01

    House and Ball communities (HBCs), represent a prime context for human immunodeficiency virus prevention with African American young men who have sex with men and transgender persons. This study sought to understand the composition and function of social support and sexual networks of HBC members in Los Angeles, California (N = 263). Participants…

  20. Assessment of undiscovered continuous oil and gas resources in the Monterey Formation, Los Angeles Basin Province, California, 2015

    Science.gov (United States)

    Tennyson, Marilyn E.; Charpentier, Ronald R.; Klett, Timothy R.; Brownfield, Michael E.; Pitman, Janet K.; Gaswirth, Stephanie B.; Hawkins, Sarah J.; Le, Phuong A.; Lillis, Paul G.; Marra, Kristen R.; Mercier, Tracey J.; Leathers-Miller, Heidi M.; Schenk, Christopher J.

    2016-07-08

    Using a geology-based assessment methodology, the U.S. Geological Survey assessed technically recoverable mean resources of 13 million barrels of oil, 22 billion cubic feet of gas, and 1 million barrels of natural gas liquids in the Monterey Formation of the Los Angeles Basin Province, California.

  1. A Health Probe in College Students Living in Los Angeles and in Taiwan: Dietary Pattern, Physical Activity and Energy Balance

    Science.gov (United States)

    Wang, Li Hui; Yang, Hsin Ling; Chen, Yin Chang; Davis, Rebecca; Schwartz, Miriam E.; Tam, Chick F.

    2008-01-01

    The objective was to examine differences of dietary pattern, physical activity and energy balance in 240 college students with 137 of them enrolled in California State University, Los Angeles (LA) and the other 93 enrolled in China Medical University in Taichung, Taiwan (TW). A three-day dietary record and a 24-hour physical activity journal were…

  2. Making Cultura Count inside and out of the Classroom: Public Art & Critical Pedagogy in South Central Los Angeles

    Science.gov (United States)

    Garcia, Luis-Genaro

    2012-01-01

    In this article, artist, educator, and activist Luis-Genaro Garcia describes the development and impact of the "May Day service learning project" on his advanced painting class in a high school in South Los Angeles. The project emerged from students' interests: their ideas, concerns for their community, socio-political consciousness, and…

  3. Small area estimates reveal high cigarette smoking prevalence in low-income cities of Los Angeles county.

    Science.gov (United States)

    Cui, Yan; Baldwin, Susie B; Lightstone, Amy S; Shih, Margaret; Yu, Hongjian; Teutsch, Steven

    2012-06-01

    Los Angeles County has among the lowest smoking rates of large urban counties in the USA. Nevertheless, concerning disparities persist as high smoking prevalence is found among certain subgroups. We calculated adult smoking prevalence in the incorporated cities of Los Angeles County in order to identify cities with high smoking prevalence. The prevalence was estimated by a model-based small area estimation method with utilization of three data sources, including the 2007 Los Angeles County Health Survey, the 2000 Census, and the 2007 Los Angeles County Population Estimates and Projection System. Smoking prevalence varied considerably across cities, with a more than fourfold difference between the lowest (5.3%) and the highest prevalence (21.7%). Higher smoking prevalence was generally found in socioeconomically disadvantaged cities. The disparities identified here add another layer of data to our knowledge of the health inequities experienced by low-income urban communities and provide much sought data for local tobacco control. Our study also demonstrates the feasibility of providing credible local estimates of smoking prevalence using the model-based small area estimation method.

  4. Body Image of Dancers in Los Angeles: The Cult of Slenderness and Media Influence among Dance Students

    Science.gov (United States)

    Heiland, Teresa L.; Murray, Darrin S.; Edley, Paige P.

    2008-01-01

    Body image and self-esteem are examined through personal stories among Los Angeles college dancers who grew up in the Hollywood culture of the cult of slenderness. The study incorporates a body image survey, eating disorder screen, and an interview process capturing dancers' lived experiences with daily pressures. Dancers reveal their experiences…

  5. Framing Peace as Violence: Television News Depictions of the 2007 Police Attack on Immigrant Rights Marchers in Los Angeles

    Science.gov (United States)

    Santa Ana, Otto; Lopez, Layza; Munguia, Edgar

    2010-01-01

    This study examines two successive days of U.S. television news coverage of the May 1, 2007, immigration rights rally in Los Angeles. As thousands of demonstrators appealed peacefully for comprehensive immigration policy reform, they were assailed by 450 police officers firing munitions and using truncheons. We evaluated fifty-one television news…

  6. Making Cultura Count inside and out of the Classroom: Public Art & Critical Pedagogy in South Central Los Angeles

    Science.gov (United States)

    Garcia, Luis-Genaro

    2012-01-01

    In this article, artist, educator, and activist Luis-Genaro Garcia describes the development and impact of the "May Day service learning project" on his advanced painting class in a high school in South Los Angeles. The project emerged from students' interests: their ideas, concerns for their community, socio-political consciousness, and…

  7. A Pilot Survey of Food Frequencies, Meal Frequencies and Meal Patterns of Preschool Children in East Los Angeles.

    Science.gov (United States)

    Lewis, Jane S.; And Others

    The food frequency, meal frequency, and meal patterns of a group of Mexican American children attending Head Start in East Los Angeles and their siblings were studied. Fifty dietary questionnaires in English and in Spanish with written instructions were distributed to parents. Parents were asked to record for a 3 day period the eating time, type…

  8. Developing Fieldwork in Social and Cultural Geography: Illustrations from a Residential Field Class in Los Angeles and Las Vegas.

    Science.gov (United States)

    May, Jon

    1999-01-01

    Argues that fieldwork develops student understanding of various concerns in social and cultural geography. Recommends using a new approach that focuses on the role of fieldwork in the research process and illustrates this approach by describing an account of a residential field class to Los Angeles (California) and Las Vegas (Nevada). (CMK)

  9. Predicting tree water use and drought tolerance from leaf traits in the Los Angeles urban ecosystem

    Science.gov (United States)

    John, G. P.; Scoffoni, C.; Sack, L.

    2013-12-01

    Urban green space provides a suite of valuable ecosystem services. In semiarid systems, like Los Angeles, trees rely primarily on irrigation water for transpiration. Managers may need to reduce irrigation associated with urban trees given climate change, urban expansion, and the steady decrease in available freshwater. While leaf and whole plant water relations have been extensively studied, we are only now gaining a detailed understanding of diverse leaf anatomical designs, and their use for predicting physiology and water use at landscape scale. For 50 diverse urban species, we quantified leaf anatomical and physiological traits important to tree drought tolerance and water use efficiency including turgor loss point, vein architecture, cellular anatomy, leaf mass per unit area, and petiole and leaf dimensions. We hypothesized detailed relationships to develop models relating leaf functional traits to tree water relations. These models provide key insights regarding the role of anatomical designs in leaf stress tolerance and water use efficiency. Additionally we predicted how traits measured at the leaf level would scale with existing data for individuals at the whole plant level. We tested our predictions by determining correlations between leaf level anatomical traits and drought tolerance. Additionally, we determined correlations between functional traits, physiology and water use, and the climate of origin for the urban species. Leaf level measurements will be valuable for rapid estimation of more difficult to measure whole plant water relations traits important at the landscape scale. The Los Angeles urban ecosystem can serve as a model for other semiarid system and provide more informed system wide water conservation strategies.

  10. Genetic admixture and risk of hypertensive disorders of pregnancy among Latinas in Los Angeles County.

    Science.gov (United States)

    Shahabi, Ahva; Wilson, Melissa L; Lewinger, Juan Pablo; Goodwin, T Murphy; Stern, Mariana C; Ingles, Sue A

    2013-03-01

    Latinos are a heterogeneous population in terms of demographics, culture, and genetic admixture from three racial groups (white, African, and Native American). This study examines the role of genetic ancestry and environmental risk factors in the risk of hypertensive disorder of pregnancy among Latinas in Los Angeles County. Gestational hypertension, preeclampsia, eclampsia, or hemolysis, elevated liver enzymes, and low platelets (HELLP) syndrome cases (n = 125), plus unaffected controls (n = 161), were recruited from Los Angeles County + University of Southern California Women's and Children's Hospital from 1999 through 2008. Diagnoses were confirmed with extensive chart review. Personal information, demographics, and biospecimens were collected from all participants. Ancestry informative markers were used to estimate genetic ancestry proportions. After adjusting for European ancestry and key risk factors, African ancestry was positively associated with hypertensive disorders of pregnancy risk for the highest vs. the lowest quartiles of African ancestry (odds ratio = 2.6 [95% confidence interval = 1.1-6.1]). This association was stronger among women born in Mexico with parents born in Mexico (4.3 [1.4-13]). The results from generalized additive models showed a positive association between joint European/African ancestry and hypertensive disorders of pregnancy risk and an inverse association between Native American ancestry and risk. These associations were stronger among women of Mexican origin. Our findings suggest that higher Native American ancestry among Latinas may protect against hypertensive disorders of pregnancy. Further studies are needed to determine whether this protective effect is driven by specific alleles present in this population or by other risk factors that correlate with Native American ancestry.

  11. Observations of ozone transport from the free troposphere to the Los Angeles basin

    Science.gov (United States)

    Neuman, J. A.; Trainer, M.; Aikin, K. C.; Angevine, W. M.; Brioude, J.; Brown, S. S.; de Gouw, J. A.; Dube, W. P.; Flynn, J. H.; Graus, M.; Holloway, J. S.; Lefer, B. L.; Nedelec, P.; Nowak, J. B.; Parrish, D. D.; Pollack, I. B.; Roberts, J. M.; Ryerson, T. B.; Smit, H.; Thouret, V.; Wagner, N. L.

    2012-03-01

    Analysis of in situ airborne measurements from the CalNex 2010 field experiment (Research at the Nexus of Air Quality and Climate Change) show that ozone in the boundary layer over Southern California was increased by downward mixing of air from the free troposphere (FT). The chemical composition, origin, and transport of air upwind and over Los Angeles, California, were studied using measurements of carbon monoxide (CO), ozone, reactive nitrogen species, and meteorological parameters from the National Oceanic and Atmospheric Administration WP-3D aircraft on 18 research flights in California in May and June 2010. On six flights, multiple vertical profiles from 0.2-3.5 km above ground level were conducted throughout the Los Angeles (LA) basin and over the Pacific Ocean. Gas phase compounds measured in 32 vertical profiles are used to characterize air masses in the FT over the LA basin, with the aim of determining the source of increased ozone observed above the planetary boundary layer (PBL). Four primary air mass influences were observed regularly in the FT between approximately 1 and 3.5 km altitude: upper tropospheric air, long-range transport of emissions, aged regional emissions, and marine air. The first three air mass types accounted for 89% of the FT observations. Ozone averaged 71 ppbv in air influenced by the upper troposphere, 69 ppbv in air containing emissions transported long distances, and 65 ppbv in air with aged regional emissions. Correlations between ozone and CO, and ozone and nitric acid, demonstrate entrainment of ozone from the FT into the LA PBL. Downward transport of ozone-rich air from the FT into the PBL contributes to the ozone burden at the surface in this region and makes compliance with air quality standards challenging.

  12. Residential proximity to traffic and adverse birth outcomes in Los Angeles county, California, 1994-1996.

    Science.gov (United States)

    Wilhelm, Michelle; Ritz, Beate

    2003-02-01

    We reported previously that increases in ambient air pollution in the Los Angeles basin increased the risk of low weight and premature birth. However, ambient concentrations measured at monitoring stations may not take into account differential exposure to pollutants found in elevated concentrations near heavy-traffic roadways. Therefore, we used an epidemiologic case-control study design to examine whether residential proximity to heavy-traffic roadways influenced the occurrence of low birth weight (LBW) and/or preterm birth in Los Angeles County between 1994 and 1996. We mapped subject home locations at birth and estimated exposure to traffic-related air pollution using a distance-weighted traffic density (DWTD) measure. This measure takes into account residential proximity to and level of traffic on roadways surrounding homes. We calculated odds ratios (ORs) and risk ratios (RRs) for being LBW and/or preterm per quintile of DWTD. The clearest exposure-response pattern was observed for preterm birth, with an RR of 1.08 [95% confidence interval (CI), 1.01-1.15] for infants in the highest DWTD quintile. Although higher risks were observed for LBW infants, exposure-response relations were less consistent. Examining the influence of season, we found elevated risks primarily for women whose third trimester fell during fall/winter months (OR(term LBW) = 1.39; 95% CI, 1.16-1.67; OR(preterm and LBW) = 1.24; 95% CI = 1.03-1.48; RR(all preterm) = 1.15; 95% CI, 1.05-1.26), and exposure-response relations were stronger for all outcomes. This result is consistent with elevated pollution in proximity to sources during more stagnant air conditions present in winter months. Our previous research and these latest results suggest exposure to traffic-related pollutants may be important.

  13. Baby-Friendly Hospital Initiative and Breastfeeding Among WIC-Participating Infants in Los Angeles County.

    Science.gov (United States)

    Nobari, Tabashir Z; Jiang, Lu; Wang, May C; Whaley, Shannon E

    2017-08-01

    Breastfeeding rates among low-income infants lag behind national rates. Policies such as the Baby-Friendly Hospital Initiative (BFHI) improve breastfeeding and may benefit low-income populations such as those who participate in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC). A recent effort exists to increase the number of Baby-Friendly designated hospitals in Los Angeles County (LAC). Research aim: This study aimed to determine whether the BFHI effort has had a beneficial effect on Baby-Friendly hospital practices in LAC hospitals and to determine if birthing hospitals' Baby-Friendly designation status is associated with breastfeeding outcomes among WIC-participating children in LAC. Data came from the Los Angeles County WIC Survey (2008, 2011, 2014), which is conducted on a random sample of approximately 5,000 WIC families living in LAC. The prevalence of three Baby-Friendly hospital practices was examined between 2008 and 2014. Logistic regression was used to examine the association of birthing hospitals' Baby-Friendly designation status with any breastfeeding and exclusive breastfeeding at 1, 3, and 6 months. The rates of Baby-Friendly hospital practices have improved since 2008. Although no association existed with rates of any breastfeeding, being born in a hospital designated Baby-Friendly or in the process of obtaining this designation was significantly associated with an increased odds of exclusive breastfeeding at 1 and 3 months. The BFHI may help achieve recommended exclusive breastfeeding rates, especially for low-income populations. Additional strategies are needed to support low-income mothers in LAC with all levels of breastfeeding.

  14. Service Receipt and Mental Disorders in Child Welfare and Mental Health Systems in Los Angeles County.

    Science.gov (United States)

    He, Amy S; Traube, Dorian E; Brimhall, Kim C; Lim, Caroline; Lecklitner, Greg; Olson, Adrienne

    2017-08-01

    Use of administrative data from child welfare (CW) and mental health systems in Los Angeles County provided a unique opportunity to more closely examine mental health needs of children dually served by these systems. This study examined the presence of mental disorders and correlates of receipt of mental health services by diagnostic classification in this population. Data were obtained for 3,191 children receiving services from Los Angeles County's Department of Children and Family Services and Department of Mental Health (DMH) between July 2011 and July 2012. Multivariate linear and logistic regression models examined the relationship between sociodemographic and CW-related characteristics and receipt of outpatient services by clinician-diagnosed mental disorder. Of the 3,191 referred children, 68% met criteria for one of the four diagnostic classifications. Mood disorders were the most common diagnosis (30%), followed by anxiety disorders (20%), behavior disorders (9%), and attention-deficit hyperactivity disorder (9%). Children with prior DMH involvement received more services regardless of diagnosis. Older children (ages ≥15) received more services than younger children, whereas younger children were more likely to receive family therapy. Race-ethnicity did not play a significant role in predicting service receipt. The unique mental health needs of CW-involved children were exemplified by the differences found in the percentages of children with diagnoses of mental disorders between this sample and children in the general population. Because of family and placement disruptions among CW-involved children, it is important that the provision of individual therapy is not overlooked in favor of family therapy.

  15. Evapotranspiration of urban landscapes in Los Angeles, California at the municipal scale

    Science.gov (United States)

    Litvak, E.; Manago, K. F.; Hogue, T. S.; Pataki, D. E.

    2017-05-01

    Evapotranspiration (ET), an essential process in biosphere-atmosphere interactions, is highly uncertain in cities that maintain cultivated and irrigated landscapes. We estimated ET of irrigated landscapes in Los Angeles by combining empirical models of turfgrass ET and tree transpiration derived from in situ measurements with previously developed remotely sensed estimates of vegetation cover and ground-based vegetation surveys. We modeled irrigated landscapes as a two-component system comprised of trees and turfgrass to assess annual and spatial patterns of ET. Annual ET from vegetated landscapes (ETveg) was 1110 ± 53 mm/yr and ET from the whole city (vegetated and nonvegetated areas, ETland) was three times smaller, reflecting the fractional vegetation cover. With the exception of May and June, monthly ETland was significantly higher than predicted by the North American Land Data Assimilation System. ETveg was close to potential ET, indicating abundant irrigation inputs. Monthly averaged ETveg varied from 1.5 ± 0.1 mm/d (December) to 4.3 ± 0.2 mm/d (June). Turfgrass was responsible for ˜70% of ETveg. For trees, angiosperm species (71% of all trees) contributed over 90% to total tree transpiration, while coniferous and palm species made very small contributions. ETland was linearly correlated with median household income across the city, confirming the importance of social factors in determining spatial distribution of urban vegetation. These estimates have important implications for constraining the municipal water budget of Los Angeles and improving regional-scale hydrologic models, as well as for developing water-saving practices. The methodology used in this study is also transferable to other semiarid regions for quantification of urban landscape ET.

  16. High spatial- and temporal-resolution anthropogenic heat discharge estimation in Los Angeles County, California.

    Science.gov (United States)

    Zheng, Yuanfan; Weng, Qihao

    2017-07-22

    Anthropogenic heat flux (Qf), which originates through energy consumption from buildings, industrial plants, vehicle exhausts, and human metabolism releases, is an important component in the urban Surface Energy Balance (SEB) system, and is key to understanding of many urban environmental issues. The present study provided a hybrid Qf modeling approach, which combined the inventory and GIS approach to create a 365-day hourly Qf profile at 120 m spatial resolution in Los Angeles County, California, USA. Qf was estimated by separate calculation of heat release from buildings, traffics, and human metabolism, respectively. The results indicated that Qf showed different magnitudes and diurnal patterns between workdays (dual-peak shape) and weekends/holidays, and also varied with seasons, and land use types. Qf yielded the highest values in the summer workdays, with its maximum value of 7.76 w/m(2). Qf in hot summer workdays was obviously higher than that in the average summer workdays, which caused by higher demands for space cooling in buildings, and can reach 8.14 w/m(2) at maximum. Building energy consumption was identified as the dominant contributor to the Qf in Downtown Los Angeles, which was found to have the largest mean Qf throughout the year among all neighborhoods. It can be concluded that Qf in the downtown was more significant in workdays than that in non-workdays, and its maximum value can reach 100 w/m(2). It is suggested that our approach may have wider applicability for Qf estimation in large areas compared with the existing studies, as all the data used were available to the public. A high spatial and temporal Qf profile, which can readily be incorporated into urban energy balance and Urban Heat Island (UHI) studies, provides valuable data and information for pertinent government agencies and researchers. Copyright © 2017 Elsevier Ltd. All rights reserved.

  17. Evaluating the Impact of Conservation Measures on Urban Water Fluxes in Los Angeles, California

    Science.gov (United States)

    Manago, K. F.; Hogue, T. S.

    2015-12-01

    California is experiencing one of the most severe droughts on record. In response, the State Water Resources Control Board adopted emergency regulations in May, implementing a mandatory 25% statewide reduction in potable urban water use. Prior to this, the Los Angeles Department of Water and Power had implemented mandatory restrictions and a pricing increase in 2009 and 2010, respectively to encourage reduced consumption. Understanding where conservation measures are having the greatest impact and how it is affecting water fluxes throughout the basin is critical, especially when considering the push for increased reliance on local water resources. Los Angeles is selected as the study area due to its high degree of urbanization, while the Ballona Creek watershed is used for runoff analysis due to the lack of dams and wastewater treatment plants altering flow in the channel. Utilizing a combination of runoff gages, groundwater monitoring well data, consumption data, and hydrologic models, we aim to evaluate how hydrologic processes have been influenced by water conservation measures. The work focuses on how changes in outdoor water use have influenced discharge patterns and groundwater recharge since most of the water conservation efforts have been focused on decreasing landscape irrigation. Previous work has shown that outdoor irrigation rates have decreased after the implementation of conservation measures, causing a decrease in vegetation greenness across the city. Runoff has also significantly decreased, especially dry season discharge. Further work is also being conducted to evaluate changes to evapotranspiration, using a combination of NLDAS model results and CIMIS reference ET data, as well as groundwater and recharge, utilizing a Bayesian Hierarchical model to fill missing groundwater monitoring well data. Results provide improved understanding of response to, and impacts of, conservation measures which ultimately allow for better water resources management

  18. Substance Use Patterns among High-Risk American Indians/Alaska Natives in Los Angeles County

    Science.gov (United States)

    Dickerson, Daniel L.; Fisher, Dennis G.; Reynolds, Grace L.; Baig, Safia; Napper, Lucy E.; Anglin, M. Douglas

    2015-01-01

    Background Substance abuse among American Indians/Alaska Natives (AI/ANs) is a significant and longstanding health problem in the U.S. Two-thirds of American AIs/ANs reside in the urban setting. However, studies analyzing substance use characteristics among urban AI/ANs are very limited. One reason is due to the shortage of available data with regard to substance abuse characteristics among urban AI/ANs. Methods Three datasets from programs targeting individuals at high risk for substance abuse and risky sexual behaviors within Los Angeles County were analyzed. Among a sample of AI/ANs (n = 77) and other ethnic/racial groups in Los Angeles County at high risk of substance abuse, the purposes of this study are to: (1) analyze and compare age of first drug and alcohol use, (2) compare the correlation of subjective methamphetamine craving (reinforcement) and age of onset of methamphetamine use, and (3) analyze injection drug use patterns. Results Compared to all other ethnic/racial groups, AI/ANs demonstrated significantly younger age of onset of alcohol, marijuana, methamphetamine, and “other” drug use, higher correlations of age of first use of amphetamine with a measure of the drug’s reinforcement, and higher mean number of illicit drug injections in the 30 days before being interviewed. Conclusions Results from this study highlight a critical need for furthering our understanding of substance abuse problems among urban AI/ANs. Potentially useful strategies are provided which may assist towards decreasing substance use among urban AIs/ANs. PMID:22882395

  19. Reclaiming our Past: A Critical Race History of Chicana/o Education In South Central Los Angeles, 1930-1949

    OpenAIRE

    Alonso, LLuliana

    2015-01-01

    This dissertation explores the educational experiences of Chicana/os in the first half of the twentieth century using one of the most ethnically diverse communities in the state of California—South Central Los Angeles—as a case study. Driven by the following questions, my research explored: 1) What were the social and economic conditions of the Mexican community of South Central Los Angeles during 1930-1949? 2) What were the dominant discourses about this population during the period understu...

  20. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    Latest Affiliate Member of Gloria Hotels & Resorts—Red Wall Garden Hotel Beijing Gloria Hotels & Resorts warmly welcomes its latest affiliate member—the Red Wall Garden Hotel Beijing, which is Gloria Hotels & Resorts’ third affiliate member property.

  1. Emission rates of particle number, mass and black carbon by the Los Angeles International Airport (LAX) and its impact on air quality in Los Angeles

    Science.gov (United States)

    Shirmohammadi, Farimah; Sowlat, Mohammad H.; Hasheminassab, Sina; Saffari, Arian; Ban-Weiss, George; Sioutas, Constantinos

    2017-02-01

    This study describes a series of air monitoring measurements of particle number (PN), black carbon (BC) and PM2.5 mass concentrations in the vicinity of the Los Angeles International Airport (LAX) (roughly 150 m downwind of the LAX's south runways) as well as on-road measurements of the aforementioned pollutants using a mobile platform on three major freeways (i.e., I-110, I-105, and I-405) during May-July 2016. All measurements were performed in the "impact zone" of LAX with the predominant westerly winds from coast to inland. The overall impact of aircraft emissions from the LAX airport and its facilities in comparison to vehicular emissions from freeways on air quality was evaluated on a local scale (i.e. areas in the vicinity of the airport). PN concentration was, on average, 4.1 ± 1.2 times greater at the LAX site than on the studied freeways. Particle number emission factors for takeoffs and landings were comparable, with average values of 8.69 ×1015 particles/kg fuel and 8.16 ×1015 particles/kg fuel, respectively, and indicated a nearly 4-fold statistically significant reduction in PN emission factors for takeoffs during the past decade. BC emission factors were 0.12 ± 0.02 and 0.11 ± 0.01 g/kg fuel during takeoffs and landings, respectively. Additionally, the mean PM2.5 emission factor values for takeoffs and landings were also comparable, with values of 0.38 ± 0.04 and 0.40 ± 0.05 g/kg fuel, respectively. Within the impact zone of the airport, an area of roughly 100 km2 downwind of the LAX, measurements indicated that the LAX daily contributions to PN, BC, and PM2.5 were approximately 11, 2.5, and 1.4 times greater than those from the three surrounding freeways. These results underscore the significance of the LAX airport as a major source of pollution within its zone of impact comparing to freeway emissions.

  2. Evaluating earthquake hazards in the Los Angeles region; an earth-science perspective

    Science.gov (United States)

    Ziony, Joseph I.

    1985-01-01

    Potentially destructive earthquakes are inevitable in the Los Angeles region of California, but hazards prediction can provide a basis for reducing damage and loss. This volume identifies the principal geologically controlled earthquake hazards of the region (surface faulting, strong shaking, ground failure, and tsunamis), summarizes methods for characterizing their extent and severity, and suggests opportunities for their reduction. Two systems of active faults generate earthquakes in the Los Angeles region: northwest-trending, chiefly horizontal-slip faults, such as the San Andreas, and west-trending, chiefly vertical-slip faults, such as those of the Transverse Ranges. Faults in these two systems have produced more than 40 damaging earthquakes since 1800. Ninety-five faults have slipped in late Quaternary time (approximately the past 750,000 yr) and are judged capable of generating future moderate to large earthquakes and displacing the ground surface. Average rates of late Quaternary slip or separation along these faults provide an index of their relative activity. The San Andreas and San Jacinto faults have slip rates measured in tens of millimeters per year, but most other faults have rates of about 1 mm/yr or less. Intermediate rates of as much as 6 mm/yr characterize a belt of Transverse Ranges faults that extends from near Santa Barbara to near San Bernardino. The dimensions of late Quaternary faults provide a basis for estimating the maximum sizes of likely future earthquakes in the Los Angeles region: moment magnitude .(M) 8 for the San Andreas, M 7 for the other northwest-trending elements of that fault system, and M 7.5 for the Transverse Ranges faults. Geologic and seismologic evidence along these faults, however, suggests that, for planning and designing noncritical facilities, appropriate sizes would be M 8 for the San Andreas, M 7 for the San Jacinto, M 6.5 for other northwest-trending faults, and M 6.5 to 7 for the Transverse Ranges faults. The

  3. Development of urban water consumption models for the City of Los Angeles

    Science.gov (United States)

    Mini, C.; Hogue, T. S.; Pincetl, S.

    2011-12-01

    Population growth and rapid urbanization coupled with uncertain climate change are causing new challenges for meeting urban water needs. In arid and semi-arid regions, increasing drought periods and decreasing precipitation have led to water supply shortages and cities are struggling with trade-offs between the water needs of growing urban populations and the well-being of urban ecosystems. The goal of the current research is to build models that can represent urban water use patterns in semi-arid cities by identifying the determinants that control both total and outdoor residential water use over the Los Angeles urban domain. The initial database contains monthly water use records aggregated to the zip code level collected from the Los Angeles Department of Water and Power (LADWP) from 2000 to 2010. Residential water use was normalized per capita and was correlated with socio-demographic, economic, climatic and vegetation characteristics across the City for the 2000-2010 period. Results show that ethnicity, per capita income, and the average number of persons per household are linearly related to total water use per capita. Inter-annual differences in precipitation and implementation of conservation measures affect water use levels across the City. The high variability in water use patterns across the City also appears strongly influenced by income and education levels. The temporal analysis of vegetation indices in the studied neighborhoods shows little correlation between precipitation patterns and vegetation greenness. Urban vegetation appears well-watered, presenting the same greenness activity over the study period despite an overall decrease in water use across the City. We hypothesize that over-watering is occurring and that outdoor water use represents a significant part of the residential water budget in various regions of the City. A multiple regression model has been developed that integrates these fundamental controlling factors to simulate residential

  4. Mechanical Analysis of Fault Interaction in the Puente Hills Region, Los Angeles Basin, California

    Science.gov (United States)

    Griffith, W. A.; Cooke, M.

    2002-12-01

    A three-dimensional model of the Puente Hills thrust system (PHT) and the Whittier fault has been constructed using published cross sections, surface trace maps [Shaw (1999); Shaw and Suppe (1996); Wright (1991)] and products of the Southern California Earthquake Center. This study utilizes boundary element method models to validate the proposed fault geometry of the Puente Hills region via investigating fault interaction. The interaction between PHT and Whittier faults is evaluated within an elastic half-space under horizontal contraction and evidenced by slip rates on faults, strain energy density (SED), and Navier-Coulomb stress (NC) throughout the host rock. Modeled slip rates are compared to paleoseismic estimates to validate the proposed fault configuration while maps of SED and NC highlight regions of high strain in the host rock and likely faulting. Subsequently, the sensitivity of SED and NC distribution to changes in fault geometry illuminate the nature of fault interaction within this complex system of interacting faults. We explore interaction of faults within the PHT region using two sets of models. The first examines slip rates and SED and NC distribution within a local model of the PHT region while the second set incorporates the PHT faults within the context of the Los Angeles basin. Both sets explore the response of the fault system to systematic addition of faults. Adding faults within regions of high SED and NC does not influence slip on neighboring faults; however the addition of fault surfaces in regions of low/moderate SED and NC reduces slip along adjacent faults. The sensitivity of fault slip rates to direction of remote contraction in the Los Angeles Basin is examined with contraction directions of 036, 017, and 006.5 [Bawden (2001), Argus (1999), and Feigl (1993)]. Furthermore, variations on intersection geometry between the PHT and Whittier fault are explored. Portions of the PHT and Whittier faults show reasonable match to available

  5. Does Preconception Health Differ by Nativity?: Findings from the Los Angeles Mommy and Baby (LAMB) Study

    Science.gov (United States)

    Chao, Shin M.; Wakeel, Fathima; Nazinyan, Yeghishe; Sun, Stacy

    2016-01-01

    Objectives To compare certain preconception health (PCH) behaviors and conditions among US-born (USB) and foreign-born (FB) mothers in Los Angeles County (LAC), regardless of race/ethnicity, and to determine if any identified differences vary among Asian/Pacific Islanders (API’s) and Hispanics. Methods Data are from the 2012 Los Angeles Mommy and Baby (LAMB) study (n=6,252). PCH behaviors included tobacco use, multivitamin use, unintended pregnancy, and contraception use. PCH conditions comprised being overweight/obese, diabetes, asthma, hypertension, gum disease, and anemia. The relationship between nativity and each PCH behavior/ condition was assessed using multivariable logistic regression models. Results USB women were more likely than FB women to smoke (AOR=2.12, 95% CI=1.49–3.00), be overweight/obese (AOR=1.57, 95% CI=1.30–1.90), and have asthma (AOR=2.04, 95% CI=1.35–3.09) prior to pregnancy. They were less likely than FB women to use contraception before pregnancy (AOR=0.59, 95% CI=0.49–0.72). USB Hispanics and API’s were more likely than their FB counterparts to be overweight/obese (AOR=1.57, 95% CI=1.23–2.01 and AOR=2.37, 95% CI=1.58–3.56, respectively) and less likely to use contraception (AOR=0.58, 95% CI=0.45–0.74 and AOR= 0.46, 95% CI=0.30–0.71, respectively). USB Hispanic mothers were more likely than their FB counterparts to smoke (AOR=2.47, 95% CI=1.46–4.17), not take multivitamins (AOR=1.30, 95% CI=1.02–1.66), and have asthma (AOR=2.35, 95% CI=1.32–4.21) before pregnancy. Conclusions US nativity is linked to negative PCH among LAC women, with many of these associations persisting among Hispanics and API’s. As PCH profoundly impacts maternal and child health across the lifecourse, culturally-appropriate interventions that maintain positive behaviors among FB reproductive-aged women and encourage positive behaviors among USB women should be pursued. PMID:26728899

  6. Elements in fish of Malibu Creek and Malibu Lagoon near Los Angeles, California

    Energy Technology Data Exchange (ETDEWEB)

    Moeller, Anthony; MacNeil, Spencer D.; Ambrose, Richard F.; Que Hee, Shane S

    2003-04-01

    Our aim was to assess whether past discharges from a wastewater treatment plant increased metal pollutant loads in stream mobile species in a one-day baseline sampling study that included a coastal wetland. Mosquitofish (Gambusia affinis) of two sizes, black bullhead (Ameiurus melas), and crayfish (Pacifastacus leniusculus) were collected from Malibu Creek, and California killifish (Fundulus parvipinnis) of three sizes, as well as arroyo chub (Gila orcutti) were sampled from Malibu Lagoon near Los Angeles, California. Species from each locality were pooled by length, homogenized, digested by microwave wet ashing, and analyzed by simultaneous inductively coupled plasma atomic emission spectroscopy for 27 elements. Lagoon killifish 2.0-3.5 cm long contained levels of arsenic and lead above the levels for 95% of California fish, the EDL95. Black bullhead upstream of the discharge contained elevated levels of As, Cr and Se. Young mosquitofish <3 cm in length upstream of the discharge differed greatly in the order of abundance of their elements relative to larger mosquitofish and to other species collected. More sampling than this baseline study allowed was needed to determine if the wastewater treatment plant was a pollution source.

  7. Availability of Tobacco and Alcohol Products in Los Angeles Community Pharmacies

    Science.gov (United States)

    Aschebrook-Kilfoy, Briseis; Kim, Gilwan; Ambrose, Peter J.; Hudmon, Karen Suchanek

    2012-01-01

    The availability of tobacco and alcohol products in community pharmacies contradicts the pharmacists’ Code of Ethics and presents challenges for a profession that is overwhelmingly not in favor of the sale of these products in its practice settings. The primary aim of this study was to estimate the proportion of pharmacies that sell tobacco products and/or alcoholic beverages and to characterize promotion of these products. The proportion of pharmacies that sell non-prescription nicotine replacement therapy (NRT) products as aids to smoking cessation also was estimated. Among 250 randomly-selected community pharmacies in Los Angeles, 32.8% sold cigarettes, and 26.0% sold alcohol products. Cigarettes were more likely to be available in traditional chain pharmacies and grocery stores than in independently-owned pharmacies (100% versus 10.8%; P chain drug stores and grocery stores were more likely to sell alcoholic beverages than were independently-owned pharmacies (87.5% vs. 5.4%; P pharmacies that sold cigarettes and 47 (72.3%) of the 65 pharmacies that sold alcohol also displayed promotional materials for these products. NRT products were merchandised by 58% of pharmacies. Results of this study suggest that when given a choice, pharmacists choose not to sell tobacco or alcohol products. PMID:21644021

  8. Fuel cell-hybrid switch locomotive for Los Angeles : test results (part 1)

    Energy Technology Data Exchange (ETDEWEB)

    Miller, A.R.; Hess, K.S.; Erickson, T.L.; Dippo, J.L. [Vehicle Projects LLC, Golden, CO (United States)

    2009-07-01

    This paper described the development of a prototype fuel cell-powered shunt locomotive for urban rail use. The prototype was funded by a public-private partnership involving the BNSF Railway Company and the United States Department of Defense in an effort to reduce air pollution in urban railyards; increase energy security of the rail transport system by using hydrogen as fuel; reduce atmospheric greenhouse-gas emissions; and serve as a mobile backup power source for critical infrastructure on military bases. Railyard demonstrations were performed at the Commerce and Hobart railyards in the Los Angeles metro area. The hybrid locomotive is the heaviest and most powerful fuel cell land vehicle built today. It weighs 127 tonnes and gets continuous net power of 250 kW from its PEM fuel cell prime mover. Its transient power is well in excess of 1 MW. Its fourteen carbon-fiber composite compressed-hydrogen storage tanks, located at the roofline, have a combined storage of 70 kg at 350 bar. The system provides fuel for a rigorous 8-10 hour shunt-locomotive duty cycle. This paper focused on test results for this locomotive which was scheduled for completion by the end of 2008.

  9. The "sugar pack" health marketing campaign in Los Angeles County, 2011-2012.

    Science.gov (United States)

    Barragan, Noel C; Noller, Ali J; Robles, Brenda; Gase, Lauren N; Leighs, Michael S; Bogert, Suzanne; Simon, Paul A; Kuo, Tony

    2014-03-01

    As part of a comprehensive approach to combating the obesity epidemic, the Los Angeles County Department of Public Health launched the "Sugar Pack" health marketing campaign in fall 2011. Carried out in three stages, the campaign sought to educate and motivate the public to reduce excess calorie intake from sugar-sweetened beverage consumption. The primary Sugar Pack creative concepts provided consumers with information about the number of sugar packs contained in sugary drinks. Data from formative market research as well as lessons from previous campaigns in other U.S. jurisdictions informed the development of the materials. These materials were disseminated through a multipronged platform that included paid outdoor media on transit and billboards and messaging using social media (i.e., Twitter, Facebook, YouTube, and sendable e-cards). Initial findings from a postcampaign assessment indicate that the Sugar Pack campaign reached broadly into targeted communities, resulting in more than 515 million impressions. Lessons learned from the campaign suggest that employing health marketing to engage the public can lead to increased knowledge, favorable recognition of health messages, and self-reported intention to reduce sugar-sweetened beverage consumption, potentially complementing other obesity prevention strategies in the field.

  10. The critical incident stress debriefing process for the Los Angeles County Fire Department: automatic and effective.

    Science.gov (United States)

    Hokanson, M; Wirth, B

    2000-01-01

    Los Angeles County Fire Department has one of the oldest Critical Incident Stress Management (CISM) programs in the country. One core component for the LACoFD has been the Critical Incident Stress Debriefing (CISD). Two important questions for the emergency managers are: 1) Do individuals find a significant difference in symptom reduction for events that were debriefed? 2) Does helpfulness of a debriefing for a specific individual correlate with recommending the process for others? A Department-wide evaluative survey was conducted in 1996 to determine the satisfaction and effectiveness of the debriefing program. Individuals reported a significant difference in the speed of symptom reduction for incidents that were debriefed versus incidents that were not debriefed. The majority of individuals would recommend the debriefing process to others regardless of whether they personally found the process helpful or not. Based on this, the recommendations are to continue the debriefing process for specific events and to make the process mandatory; furthermore, it is recommended that the term "mandatory" be changed to "automatic." By using the term "automatic," debriefings become standard operating procedures. By doing so, a method to protect the psychological welfare of emergency personnel becomes as automatic as putting on safety protection equipment [International Journal of Emergency Mental Health, 2000, 2(4), 249-257].

  11. Health Hazard Evaluation Report HETA 91-395-2244, Veterans Administration Medical Center, Los Angeles, California

    Energy Technology Data Exchange (ETDEWEB)

    Kelly, J.E.; Miller, A.

    1992-08-01

    In response to a request from an employee of the Veterans Administration Medical Center (SIC-8062), Los Angeles, California, an investigation was undertaken of exposures to chemicals in the laboratory department, excessive heat and humidity in the kitchen area of the dietetics department, and carbon-monoxide (630080) exposures inside the building. In three of five personal breathing zone samples taken in the histopathology laboratory, formaldehyde (50000) was detected at concentrations up to 0.17 part per million (ppm) and it was also present in all four of the area air samples at concentrations up to 1.1ppm. The predominant symptoms associated with work in the laboratory included occasional headaches and nose/throat irritation. Mild episodes of dermal irritation and rash were also reported. All carbon-monoxide levels were less than 5ppm. In the kitchens, relative humidity levels were below the recommended range. Temperatures were above the range of temperatures recommended for a medium level of work. The authors conclude that a potential carcinogenic risk existed for workers in laboratories which use formaldehyde. The authors recommend specific measures to lower the risk of formaldehyde exposures in the laboratory.

  12. Measuring and modeling air exchange rates inside taxi cabs in Los Angeles, California

    Science.gov (United States)

    Shu, Shi; Yu, Nu; Wang, Yueyan; Zhu, Yifang

    2015-12-01

    Air exchange rates (AERs) have a direct impact on traffic-related air pollutant (TRAP) levels inside vehicles. Taxi drivers are occupationally exposed to TRAP on a daily basis, yet there is limited measurement of AERs in taxi cabs. To fill this gap, AERs were quantified in 22 representative Los Angeles taxi cabs including 10 Prius, 5 Crown Victoria, 3 Camry, 3 Caravan, and 1 Uplander under realistic driving (RD) conditions. To further study the impacts of window position and ventilation settings on taxi AERs, additional tests were conducted on 14 taxis with windows closed (WC) and on the other 8 taxis with not only windows closed but also medium fan speed (WC-MFS) under outdoor air mode. Under RD conditions, the AERs in all 22 cabs had a mean of 63 h-1 with a median of 38 h-1. Similar AERs were observed under WC condition when compared to those measured under RD condition. Under WC-MFS condition, AERs were significantly increased in all taxi cabs, when compared with those measured under RD condition. A General Estimating Equation (GEE) model was developed and the modeling results showed that vehicle model was a significant factor in determining the AERs in taxi cabs under RD condition. Driving speed and car age were positively associated with AERs but not statistically significant. Overall, AERs measured in taxi cabs were much higher than typical AERs people usually encounter in indoor environments such as homes, offices, and even regular passenger vehicles.

  13. Community reactions to a syphilis prevention campaign for gay and bisexual men in Los Angeles County.

    Science.gov (United States)

    Nanin, Jose E; Bimbi, David S; Grov, Christian; Parsons, Jeffrey T

    2009-01-01

    "Stop the Sores" (STS), a humor-based syphilis prevention campaign, was implemented in response to increasing syphilis prevalence among gay and bisexual men in Los Angeles County. In 2004, 564 men completed surveys measuring exposure and reactions to the campaign and syphilis testing. Mean age was 39, and men of color comprised a significant proportion of the sample (46.8%). Most men reported being HIV-negative (79.3%). Overall, 7.8% of the sample reported ever having syphilis; HIV-positive men were six times more likely to report this. Over one half of the sample (58.5%) reported exposure to the campaign. Men reporting any recent unprotected anal sex were twice more likely (than those who did not) to see the campaign. Men of color were twice more likely than White men to report wanting to speak to their friends about it. Finally, 39.1% of men exposed to the campaign reported being tested for syphilis as a result. Factors related to higher likelihood to test for syphilis included HIV seropositive status, any recent unprotected anal insertive sex, recent use of methamphetamine, recent use of "poppers," and recent use of erectile dysfunction drugs. Although STS was somewhat effective, outreach efforts to particular subgroups may need to increase.

  14. Health status, job stress and work-related injury among Los Angeles taxi drivers.

    Science.gov (United States)

    Wang, Pin-Chieh; Delp, Linda

    2014-01-01

    Taxi drivers work long hours for low wages and report hypertension, weight gain, and musculoskeletal pain associated with the sedentary nature of their job, stressful working conditions, and poor dietary habits. They also experience a high work-related fatality rate. The objective of this study is to examine the association of taxi drivers' health status and level of job stress with work-related injury and determine if a potential interaction exists. A survey of 309 Los Angeles taxi drivers provides basic data on health status, job stress, and work-related injuries. We further analyzed the data using a Modified Poisson regression approach with a robust error variance to estimate the relative risk (RR) and the 95% confidence intervals (CI) of work-related injuries. Focus group results supplemented and helped interpret the quantitative data. The joint effect of good health and low job stress was associated with a large reduction in the incidence of injuries, consistent with the hypothesis that health status and stress levels modify each other on the risk of work-related injury. These results suggest that the combination of stress reduction and health management programs together with changes in the stressful conditions of the job may provide targeted avenues to prevent injuries.

  15. Protocols for Late Maxillary Protraction in Cleft Lip and Palate Patients at Childrens Hospital Los Angeles

    Science.gov (United States)

    Yen, Stephen L-K

    2011-01-01

    This paper describes the protocols used at Childrens Hospital Los Angeles (CHLA) to protract the maxilla during early adolescence. It is a modification of techniques introduced by Eric Liou with his Alternate Rapid Maxillary Expansion and Constriction (ALT-RAMEC) technique. The main differences between the CHLA protocol and previous maxillary protraction protocols are the age the protraction is attempted, the sutural loosening by alternating weekly expansion with constriction and the use of Class III elastics to support and redirect the protraction by nightly facemask wear. The CHLA protocol entirely depends on patient compliance and must be carefully taught and monitored. In a cooperative patient, the technique can correct a Class III malocclusion that previously would have been treated with LeFort 1 maxillary advancement surgery. Thus, it is not appropriate for patients requiring 2 jaw surgeries to correct mandibular prognathism, occlusal cants or facial asymmetry. The maxillary protraction appears to work by a combination of skeletal advancement, dental compensation and rotation of the occlusal planes. Microscrew/microimplant/temporary anchorage devices have been used with these maxillary protraction protocols to assist in expanding the maxilla, increasing skeletal anchorage during protraction, limiting dental compensations and reducing skeletal relapse. PMID:21765629

  16. Cost analysis of measles in refugees arriving at Los Angeles International Airport from Malaysia.

    Science.gov (United States)

    Coleman, Margaret S; Burke, Heather M; Welstead, Bethany L; Mitchell, Tarissa; Taylor, Eboni M; Shapovalov, Dmitry; Maskery, Brian A; Joo, Heesoo; Weinberg, Michelle

    2017-01-09

    Background On August 24, 2011, 31 US-bound refugees from Kuala Lumpur, Malaysia (KL) arrived in Los Angeles. One of them was diagnosed with measles post-arrival. He exposed others during a flight, and persons in the community while disembarking and seeking medical care. As a result, 9 cases of measles were identified. Methods We estimated costs of response to this outbreak and conducted a comparative cost analysis examining what might have happened had all US-bound refugees been vaccinated before leaving Malaysia. Results State-by-state costs differed and variously included vaccination, hospitalization, medical visits, and contact tracing with costs ranging from $621 to $35,115. The total of domestic and IOM Malaysia reported costs for US-bound refugees were $137,505 [range: $134,531 - $142,777 from a sensitivity analysis]. Had all US-bound refugees been vaccinated while in Malaysia, it would have cost approximately $19,646 and could have prevented 8 measles cases. Conclusion A vaccination program for US-bound refugees, supporting a complete vaccination for US-bound refugees, could improve refugees' health, reduce importations of vaccine-preventable diseases in the United States, and avert measles response activities and costs.

  17. The Changing Epidemiology of Coccidioidomycosis in Los Angeles (LA) County, California, 1973–2011

    Science.gov (United States)

    2015-01-01

    Coccidioidomycosis, also known as Valley Fever, is often thought of as an endemic disease of central California exclusive of Los Angeles County. The fungus that causes Valley Fever, Coccidioides spp., grows in previously undisturbed soil of semi-arid and arid environments of certain areas of the Americas. LA County has a few large areas with such environments, particularly the Antelope Valley which has been having substantial land development. Coccidioidomycosis that is both clinically- and laboratory-confirmed is a mandated reportable disease in LA County. Population surveillance data for 1973–2011 reveals an annual rate increase from 0.87 to 3.2 cases per 100,000 population (n = 61 to 306 annual cases). In 2004, case frequency started substantially increasing with notable epidemiologic changes such as a rising 2.1 to 5.7 male-to-female case ratio stabilizing to 1.4–2.2. Additionally, new building construction in Antelope Valley greatly rose in 2003 and displayed a strong correlation (R = 0.92, Pearson pcoccidioidomycosis cases, multi-agency and community partnering is recommended to develop effective education and prevention strategies to protect residents and travelers. PMID:26313151

  18. The Changing Epidemiology of Coccidioidomycosis in Los Angeles (LA) County, California, 1973-2011.

    Science.gov (United States)

    Guevara, Ramon E; Motala, Tasneem; Terashita, Dawn

    2015-01-01

    Coccidioidomycosis, also known as Valley Fever, is often thought of as an endemic disease of central California exclusive of Los Angeles County. The fungus that causes Valley Fever, Coccidioides spp., grows in previously undisturbed soil of semi-arid and arid environments of certain areas of the Americas. LA County has a few large areas with such environments, particularly the Antelope Valley which has been having substantial land development. Coccidioidomycosis that is both clinically- and laboratory-confirmed is a mandated reportable disease in LA County. Population surveillance data for 1973-2011 reveals an annual rate increase from 0.87 to 3.2 cases per 100,000 population (n = 61 to 306 annual cases). In 2004, case frequency started substantially increasing with notable epidemiologic changes such as a rising 2.1 to 5.7 male-to-female case ratio stabilizing to 1.4-2.2. Additionally, new building construction in Antelope Valley greatly rose in 2003 and displayed a strong correlation (R = 0.92, Pearson pcoccidioidomycosis cases, multi-agency and community partnering is recommended to develop effective education and prevention strategies to protect residents and travelers.

  19. Diurnal tracking of anthropogenic CO2 emissions in the Los Angeles basin megacity during spring 2010

    Directory of Open Access Journals (Sweden)

    S. Newman

    2013-04-01

    Full Text Available Attributing observed CO2 variations to human or natural cause is critical to deducing and tracking emissions from observations. We have used in situ CO2, CO, and planetary boundary layer height (PBLH measurements recorded during the CalNex-LA (CARB et al., 2008 ground campaign of 15 May–15 June 2010, in Pasadena, CA, to deduce the diurnally varying anthropogenic component of observed CO2 in the megacity of Los Angeles (LA. This affordable and simple technique, validated by carbon isotope observations and WRF-STILT (Weather Research and Forecasting model – Stochastic Time-Inverted Lagrangian Transport model predictions, is shown to robustly attribute observed CO2 variation to anthropogenic or biogenic origin over the entire diurnal cycle. During CalNex-LA, local fossil fuel combustion contributed up to ~50% of the observed CO2 enhancement overnight, and ~100% of the enhancement near midday. This suggests that sufficiently accurate total column CO2 observations recorded near midday, such as those from the GOSAT or OCO-2 satellites, can potentially be used to track anthropogenic emissions from the LA megacity.

  20. Climatic consequences of adopting drought tolerant vegetation over Los Angeles as a response to California drought

    Science.gov (United States)

    Ban-Weiss, G. A.; Vahmani, P.

    2016-12-01

    During 2012-2014, drought in California resulted in policies to reduce water consumption. One measure pursued was replacing lawns with landscapes that minimize water consumption, such as drought tolerant vegetation. If implemented at broad scale, this strategy would result in reductions in irrigation, and changes in land surface characteristics. In this study, we employ a modified regional climate model to assess the climatic consequences of adopting drought tolerant vegetation over the Los Angeles metropolitan area. Transforming lawns to drought tolerant vegetation resulted in daytime warming of up to 1.9°C, largely due to decreases in irrigation that shifted surface energy partitioning toward higher sensible and lower latent heat flux. During nighttime, however, adopting drought tolerant vegetation caused mean cooling of about 3°C, due to changes in soil thermodynamic properties and heat exchange dynamics between the surface and ground. Our results show that nocturnal cooling effects, which are larger in magnitude and of great importance for public health during heat events, could counterbalance the daytime warming attributed to the studied water conservation strategy. A more aggressive implementation, assuming all urban vegetation was replaced with drought tolerant vegetation, resulted in an average daytime cooling of 0.2°C, largely due to weakened sea-breeze patterns, highlighting the important role of land surface roughness in this coastal megacity.

  1. Water Quality Improvement Policies: Lessons Learned from the Implementation of Proposition O in Los Angeles, California

    Science.gov (United States)

    Park, Mi-Hyun; Stenstrom, Michael; Pincetl, Stephanie

    2009-03-01

    This article evaluates the implementation of Proposition O, a stormwater cleanup measure, in Los Angeles, California. The measure was intended to create new funding to help the city comply with the Total Maximum Daily Load requirements under the federal Clean Water Act. Funding water quality objectives through a bond measure was necessary because the city had insufficient revenues to deploy new projects in its budget. The bond initiative required a supermajority vote (two-thirds of the voters), hence the public had to be convinced that such funding both was necessary and would be effective. The bond act language included project solicitation from the public, as well as multiple benefit objectives. Accordingly, nonprofit organizations mobilized to present projects that included creating new parks, using schoolyards for flood control and groundwater recharge, and replacing parking lots with permeable surfaces, among others. Yet few, if any, of these projects were retained for funding, as the city itself also had a list of priorities and higher technical expertise in justifying them as delivering water quality improvements. Our case study of the implementation of Proposition O points to the potentially different priorities for the renovation of urban infrastructure that are held by nonprofit organizations and city agencies and the importance of structuring public processes clearly so that there are no misimpressions about funding and implementation responsibilities that can lead to disillusionment with government, especially under conditions of fiscal constraints.

  2. Loss estimates for a Puente Hills blind-thrust earthquake in Los Angeles, California

    Science.gov (United States)

    Field, E.H.; Seligson, H.A.; Gupta, N.; Gupta, V.; Jordan, T.H.; Campbell, K.W.

    2005-01-01

    Based on OpenSHA and HAZUS-MH, we present loss estimates for an earthquake rupture on the recently identified Puente Hills blind-thrust fault beneath Los Angeles. Given a range of possible magnitudes and ground motion models, and presuming a full fault rupture, we estimate the total economic loss to be between $82 and $252 billion. This range is not only considerably higher than a previous estimate of $69 billion, but also implies the event would be the costliest disaster in U.S. history. The analysis has also provided the following predictions: 3,000-18,000 fatalities, 142,000-735,000 displaced households, 42,000-211,000 in need of short-term public shelter, and 30,000-99,000 tons of debris generated. Finally, we show that the choice of ground motion model can be more influential than the earthquake magnitude, and that reducing this epistemic uncertainty (e.g., via model improvement and/or rejection) could reduce the uncertainty of the loss estimates by up to a factor of two. We note that a full Puente Hills fault rupture is a rare event (once every ???3,000 years), and that other seismic sources pose significant risk as well. ?? 2005, Earthquake Engineering Research Institute.

  3. Understanding Transitions Toward Sustainable Urban Water Management: Miami, Las Vegas, Los Angeles

    Science.gov (United States)

    Garcia, M. E.; Manago, K. F.; Treuer, G.; Deslatte, A.; Koebele, E.; Ernst, K.

    2016-12-01

    Cities in the United States face numerous threats to their long-term water supplies including preserving ecosystems, competing uses, and climate change. Yet, it is unclear why only some cities have transitioned toward more sustainable water management. These transitions include strategies such as water conservation, water supply portfolio diversification, long-term planning, and integrated resource management. While the circumstances that motivate or moderate transition may vary greatly across cities' physical and institutional contexts, identifying common factors associated with transition can help resource managers capitalize on windows of opportunity for change. To begin the process of identifying such factors, we ask two questions: 1) what combinations of conditions are associated with water management transitions?, and 2) what are the outcomes of these transitions? We examine three cases of utility-level water management in Miami, Las Vegas, and Los Angeles to create data-driven narratives detailing each city's transition. These narratives systematically synthesize multiple data sources to enable cross-case comparison and provide insights into how and why cities transition. Using the foundational concepts from the exposure-based theory of urban change, we focus our analysis on three broad categories of variables that influence urban water management transition: biophysical, political, and regulatory exposures. First, we compare these factors across time and across cities using metrics that standardize diverse data sources. Next, we incorporate qualitative factors that capture a city's unique conditions by integrating these metrics with salient contextual information. Then, through cross-city comparison, we identify factors associated with transition.

  4. Urban Infestation Patterns of Argentine Ants, Linepithema humile, in Los Angeles

    Directory of Open Access Journals (Sweden)

    Smadar Gilboa

    2012-01-01

    Full Text Available Infestations of buildings by Argentine ants, Linepithema humile (Mayr, were monitored on the campus of the University of California, Los Angeles. Foraging ant activity peaked during the hotter months of the year. The mean monthly maximum temperature, but not rainfall, positively correlated with indoor infestation frequency. Neither garden size nor the predominant groundcover vegetation correlated with the number of foraging ants at baits within gardens. Although the number of foraging ants outside a building varied over 40-fold, ant density in gardens did not predict the likelihood of infestation within the building. Also, the type of vegetative groundcover employed did not predict infestation frequency. There was, however, a significant negative relationship between the size of the garden outside of a building and the number of infestations. Given the large foraging area of L. humile workers, buildings next to small gardens may be infested simply because they lie within the “normal” foraging area of a colony. The best predictor of which rooms were infested within buildings was the presence of a water source. Thus providing water for ant colonies outside and away from buildings may be one method of integrated pest management to reduce the proclivity of ants to infest structures.

  5. Contribution of Glyoxal to Secondary Organic Aerosol Formation in Los Angeles

    Science.gov (United States)

    Washenfelder, R. A.; Young, C. J.; Brown, S. S.; Gilman, J. B.; Kuster, W. C.; de Gouw, J. A.

    2010-12-01

    Glyoxal (CHOCHO) is the simplest alpha-dicarbonyl and one of the most prevalent dicarbonyls in the atmosphere. It is an oxidation product of isoprene, and is also formed from the photooxidation of anthropogenic hydrocarbons, including aromatics and ethyne. In addition to its importance as a source of HOx, previous studies indicate that glyoxal reacts heterogeneously to form secondary organic aerosol. For the CalNex field campaign during summer 2010, we deployed a new glyoxal field instrument in Pasadena, California. This instrument consists of a broadband LED light source coupled to a cavity enhanced absorption spectrometer (IBBCEAS). The effective pathlength of the instrument is approximately 18 km. The measurement precision of the glyoxal instrument allows us to observe diurnal variability and trends. The glyoxal measurements were co-located with a comprehensive set of hydrocarbon measurements. These included the important photochemical precursors for CHOCHO, with measurements of isoprene, ethyne, ethene, monoterpenes, aromatics, and methylbutenol. We use the precursor concentrations to evaluate expected glyoxal concentrations. The difference between the expected gas-phase production of glyoxal and the measured concentrations indicates the contribution that glyoxal makes to secondary organic aerosol formation in Los Angeles.

  6. Air quality impacts of a CicLAvia event in Downtown Los Angeles, CA.

    Science.gov (United States)

    Shu, Shi; Batteate, Christina; Cole, Brian; Froines, John; Zhu, Yifang

    2016-01-01

    CicLAvia in Los Angeles, CA is the open streets program that closes streets to motorized vehicles and invites people to walk, run, play or ride their bicycles on these streets, allowing them to experience the city in a new way and get exercise at the same time. Since the events reduce the motorized traffic flow, which is a significant source of air pollution, on the streets, it is reasonable to hypothesize that the CicLAvia events can reduce the concentrations of traffic-emitted air pollutants during the road closure. This study is the first experiment to test this hypothesis. The on-road and community-wide ultrafine particle (UFP) and PM2.5 were measured on the Event-Sunday (October 5th, 2014) and the Pre- and Post- Sundays (September 28(th) and October 12(th), 2014). Data analysis results showed the on-road UFP and PM2.5 reduction was 21% and 49%, respectively, and the community-wide PM2.5 reduction was 12%.

  7. Report of the American Heart Association (AHA) Scientific Sessions 2012, Los Angeles.

    Science.gov (United States)

    Fujita, Jun

    2013-01-01

    The American Heart Association (AHA) Scientific Sessions were held for the first time in Los Angeles in 2012, with the most up-to-date basic and clinical science in the field presented and heard by physicians, research scientists, students, and paramedical personnel from 100 countries. Japan accounted for the second highest number of submitted abstracts and the Japanese Circulation Society actively contributed to the success of the AHA Scientific Sessions this year. The Late-Breaking Clinical Trial sessions comprised 27 clinical studies presented in the main hall. The FREEDOM study revealed the superiority of using a coronary artery bypass graft for diabetic multivessel coronary artery diseases over percutaneous coronary intervention using a drug-eluting stent. A new peptide hormone, serelaxin, improved dyspnea in heart failure patients and significantly reduced mortality rates according to the RELAX-AHF study. In the basic sciences, primary necrosis in mitochondria was the hot topic, while genetics, including genome-wide association studies, and epigenetics were strong features of the basic and clinical cardiovascular (CV) science. It was also clear that regenerative medicine is now part of mainstream CV research, with several clinical trials underway and many basic research projects ongoing around the world. Induced pluripotent stem cells in particular have the potential to change CV medicine, and will underpin the next era of regenerative medicine and personal therapies for heart diseases.

  8. PREFERENCIAS DIFERENCIALES DE LOS HOMBRES Y MUJERES COMO CLIENTES DE HOTELES. UNA APLICACIÓN EMPÍRICA EN UNA UNIVERSIDAD MADRILEÑA

    Directory of Open Access Journals (Sweden)

    José Miguel Rodríguez Antón

    2012-01-01

    Full Text Available En el presente trabajo se han analizado los diferentes gustos, necesidades y preferencias que tienen las mujeres y los hombres de una universidad madrileña cuando se alojan en establecimientos hoteleros. En concreto, se ha comprobado que las mujeres valoran en mayor medida que los hombres los distintos servicios que puede llegar a ofrecer un hotel y que ambos géneros tienen preferencias distintas, tanto relacionadas con las características de las habitaciones como, especialmente, con las instalaciones, productos y servicios existentes en el hotel.

  9. The Fossil Fueled Metropolis: Los Angeles and the Emergence of Oil-Based Energy in North America, 1865--1930

    Science.gov (United States)

    Cooke, Jason Arthur

    Beginning with coal in the nineteenth century, the mass production and intensive consumption of fossil fuel energy fundamentally changed patterns of urban and industrial development in North America. Focusing on the metropolitan development of Los Angeles, this dissertation examines how the emergence of oil-based capitalism in the first three decades of the twentieth century was sustained and made increasingly resilient through the production of urban and industrial space. In a region where coal was scarce, the development of oil-based energy was predicated on long-term investments into conversion technologies, storage systems and distribution networks that facilitated the efficient and economical flow of liquefied fossil fuel. In this dissertation, I argue that the historical and geographical significance of the Southern California petroleum industry is derived from how its distinctive market expansion in the first three decades of the twentieth century helped establish the dominance of oil-based energy as the primary fuel for transportation in capitalist society. In North America, the origins of oil-based capitalism can be traced to the turn of the twentieth century when California was the largest oil-producing economy in the United States and Los Angeles was the fastest growing metropolitan region. This dissertation traces how Los Angeles became the first city in North America where oil became a formative element of urban and industrial development: not only as fuel for transportation, but also in the infrastructures, landscapes and networks that sustain a critical dependence on oil-based energy. With a distinctive metropolitan geography, decentralized and automobile-dependent, Los Angeles became the first oil-based city in North America and thus provides an ideal case study for examining the regional dynamics of energy transition, establishment and dependence. Interwoven with the production of urban and industrial space, oil remains the primary fuel that

  10. Air pollutant transport in a coastal environment—II. Three-dimensional simulations over Los Angeles basin

    Science.gov (United States)

    Lu, Rong; Turco, Richard P.

    The: air quality problems in the Los Angeles basin are related to the local climate. A strong temperature inversion and stagnant synoptic conditions associated with the Pacific high-pressure system favor the generation of severe air pollution episodes. Sea-breezes and mountain-induced flows play an important role: in controlling pollutant transport over the basin. The distributions of pollutants over the basin display complicated three-dimensional patterns, including distinct elevated layers. A three-dimensional meteorological model is used to simulate air flow patterns and pollutant transport in the Los Angeles basin under such conditions. The complex simulated flows are analyzed to explain the origin of the observed pollution layers. Pollutants found in the afternoon mixed layer may be dispersed to three different regions: the high desert to the east and north of the Los Angeles basin; the free troposphere above the temperature inversion; and within the temperature inversion layer itself. Several mechanisms transfer pollution into the inversion layer. Convergence zones in the San Fernando Valley and near Lake Elsinore lift polluted air into the inversion. A coupled sea-bree~eymountain-flow circulation along the southwest flank of the Santa Ana Mts creates pollution layers that extend westward over the coastal plain and offshore. The afternoon pollution layers frequently observed in the western Los Angeles basin are caused by the sea-breeze circulation or the coupled sea-breeze/mountain-flow circulation over the south slope of the San Gabriel Nlts. As the boundary layer stabilizes during the early evening, layers of polluted air are left suspended over the eastern basin. Pollutants trapped in the inversion layer act as a reservoir of poor-quality air for the basin, and may contribute to extreme pollutant concentrations seen after several days of stagnant air.

  11. The Association between Nutrition Facts Label Utilization and Comprehension among Latinos in TwoEast Los Angeles Neighborhoods

    OpenAIRE

    Sharif, MZ; Rizzo, S; Prelip, ML; Glik, DC; Belin, TR; Langellier, BA; Kuo, AA; Garza, JR; Ortega, AN

    2014-01-01

    © 2014 Academy of Nutrition and Dietetics. Background: The Nutrition Facts label can facilitate healthy dietary practices. There is a dearth of research on Latinos' utilization and comprehension of the Nutrition Facts label. Objective: To measure use and comprehension of the Nutrition Facts label and to identify correlates among Latinos in East Los Angeles, CA. Design: Cross-sectional interviewer-administered survey using computer-assisted personal interview software, conducted in either Eng...

  12. "We Just Built It:" Code Enforcement, Local Politics, and the Informal Housing Market in Southeast Los Angeles County

    OpenAIRE

    Wegmann, Jacob Anthony George

    2014-01-01

    This dissertation is an exploration of the role of informality in the housing market in southeast Los Angeles County. While informality has long been the subject of scholarship in cases from the Global South, and increasingly in the United States, examinations of housing informality in the US thus far have largely been situated in rural and peri-urban areas. This work seeks to interrogate informality in housing processes unfolding within the very heart of northern North America's leading indu...

  13. Evaluating the Change in Medical Marijuana Dispensary Locations in Los Angeles Following the Passage of Local Legislation.

    Science.gov (United States)

    Thomas, Crystal; Freisthler, Bridget

    2017-06-01

    In May 2013, Los Angeles voters approved Proposition D, a regulatory measure that set zoning restrictions and capped the number of dispensaries at those that opened before 2007. Specifically, Proposition D stated that only 135 dispensaries were allowed to be in operation and set zoning restrictions prohibiting dispensaries from operating in certain areas. We first assessed whether the legislation changed the physical availability of medical marijuana via dispensaries in Los Angeles. We then used two data points 1 year prior to and 1 year following the implementation of Proposition D to determine if the locations of where the dispensaries are located changed after the enactment of Proposition D. Using a cross-sectional, ecological design, we investigated the change in dispensaries from 2012 to 2014 for Census tracts within the city of Los Angeles (N = 1000). We analyzed data using spatial error regression models that included controls for spatial autocorrelation due to the spatial structure of the data. We found that while the total number of dispensaries in Los Angeles remained largely unchanged, the spatial distribution of dispensaries did change in meaningful ways. Census tracts with more dispensaries in 2014 were significantly and positively associated with the proportion of African American residents and negatively associated with the percent of area that was commercially zoned. In other words, dispensaries opened in areas with a higher proportion of Black residents and closed in Census tract areas that had a higher percentage of commercially zoned land. Findings from this study highlight the importance of continuously regulating dispensary locations. Results suggest that likely as a result of changing regulations, dispensaries may be attempting to conceal their presence and locate in areas that will not advocate against their presence.

  14. Isotopic measurements of atmospheric methane in Los Angeles, California, USA: Influence of “fugitive” fossil fuel emissions

    Science.gov (United States)

    Townsend-Small, Amy; Tyler, Stanley C.; Pataki, Diane E.; Xu, Xiaomei; Christensen, Lance E.

    2012-04-01

    Recent studies have suggested that CH4 emissions in Los Angeles and other large cities may be underestimated. We utilized stable isotopes (13C and D) and radiocarbon (14C) to investigate sources of CH4 in Los Angeles, California. First, we made measurements of δ13C and δD of various CH4 sources in urban areas. Fossil fuel CH4 sources (oil refineries, power plants, traffic, and oil drilling fields) had δ13C values between -45 and -30‰ and dD values between -275 and -100‰, whereas biological CH4 (cows, biofuels, landfills, sewage treatment plants, and cattle feedlots) had δ13C values between -65 and -45‰ and δD values between -350 and -275‰. We made high-altitude observations of CH4 concentration using continuous tunable laser spectroscopy measurements combined with isotope analyses (13C, 14C, and D) of discrete samples to constrain urban CH4 sources. Our data indicate that the dominant source of CH4 in Los Angeles has a δ13C value of approximately -41.5‰ and a δD value between -229 and -208‰. Δ14C of CH4 in urban air samples ranged from +262 to +344‰ (127.1 to 134.9 pMC), depleted with respect to average global background CH4. We conclude that the major source of CH4 in Los Angeles is leakage of fossil fuels, such as from geologic formations, natural gas pipelines, oil refining, and/or power plants. More research is needed to constrain fluxes of CH4 from natural gas distribution and refining, as this flux may increase with greater reliance on natural gas and biogas for energy needs.

  15. Impact of population density on collision rates in a rapidly developing rural, exurban area of Los Angeles County.

    Science.gov (United States)

    Fischer, Kelly; Sternfeld, Isabelle; Melnick, Douglas Sloan

    2013-04-01

    To determine if the commonly acknowledged relationships between population density and traffic collisions are found at the subcounty level and to describe how collision characteristics may vary substantially at a local level, with a particular emphasis on exurban areas. Los Angeles County collision data were obtained from the California Highway Patrol and the census tract and service planning area (SPA) for each collision were determined. The correlation between population density and collision rates by census tract was calculated within each SPA and for the entire county. Primary collision factors were compared for geographic areas of different population densities within one exurban SPA in Los Angeles County. An inverse relationship was found between collision rates and population density within Los Angeles County. Primary collisions factors were different in areas of the county with different population densities, with driving or biking under the influence particularly common in the most rural area. Subcounty analyses are very important to the study of traffic collisions. Traffic problems in rapidly developing exurban areas may be quite different from those in older, more established areas.

  16. The new food package and breastfeeding outcomes among women, infants, and children participants in Los Angeles County.

    Science.gov (United States)

    Langellier, Brent A; Chaparro, M Pia; Wang, May C; Koleilat, Maria; Whaley, Shannon E

    2014-02-01

    We assessed the effect of the new Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) food package, implemented in October 2009, on breastfeeding outcomes among a predominately Latina sample of WIC participants in Los Angeles County, California. We used data from 5020 WIC participants who were interviewed in a series of repeated cross-sectional surveys conducted in 2005, 2008, and 2011. Participants were randomly selected from Los Angeles County residents who received WIC services during those years. Consistent with the WIC population in Los Angeles, participants were mostly Latina and had low levels of income and education; more than half were foreign-born. We found small but significant increases from pre- to postimplementation of the new WIC food package in prevalence of prenatal intention to breastfeed and breastfeeding initiation, but no changes in any breastfeeding at 3 and 6 months. The prevalence of exclusive breastfeeding at 3 and 6 months roughly doubled, an increase that remained large and significant after adjustment for other factors. The new food package can improve breastfeeding outcomes in a population at high risk for negative breastfeeding outcomes.

  17. Long term compliance with California's Smoke-Free Workplace Law among bars and restaurants in Los Angeles County.

    Science.gov (United States)

    Weber, M D; Bagwell, D A S; Fielding, J E; Glantz, S A

    2003-09-01

    To assess long term compliance with the California Smoke-Free Workplace Law in Los Angeles County freestanding bars and bar/restaurants. Population based annual site inspection survey of a random sample of Los Angeles County freestanding bars and bar/restaurants was conducted from 1998 to 2002. The primary outcomes of interest were patron and employee smoking. The secondary outcomes of interest were the presence of ashtrays and designated outdoor smoking areas. Significant increases in patron non-smoking compliance were found for freestanding bars (45.7% to 75.8%, p Workplace Law has been effective at reducing patron and employee smoking in Los Angeles County bars and restaurants. Recommendations include educational campaigns targeted to freestanding bar owners and staff to counter perceptions of lost revenue, more rigorous enforcement, and more severe penalties for repeat violators such as alcohol licence revocation. Policymakers can enact smoke-free restaurant and bar policies to protect employees and patrons from secondhand smoke, confident that these laws can be successfully implemented.

  18. Flies from L.A., The Sequel: A further twelve new species of Megaselia (Diptera: Phoridae) from the BioSCAN Project in Los Angeles (California, USA)

    OpenAIRE

    Hartop, Emily; Brown, Brian; Disney,R. Henry

    2016-01-01

    Presented are continued results from the BioSCAN Project, an urban biodiversity study sampling primarily from private backyards in Los Angeles, California (USA). Presented are continued results from the BioSCAN Project, an urban biodiversity study sampling primarily from private backyards in Los Angeles, California (USA). Twelve new species of Megaselia (Diptera: Phoridae) are described: M. baileyae, M. friedrichae, M. gonzalezorum, M. joanneae, M. losangelensis, M. phyllissunae, M. p...

  19. Industria cinematografica e turismo nell’immaginario collettivo: Los Angeles tra mito e creatività / Film industry and tourism in collective imagination: Los Angeles between myth and creativity

    Directory of Open Access Journals (Sweden)

    Franca Miani

    2016-05-01

    Full Text Available Obiettivo del contributo è quello di proporre alcuni spunti di riflessione sul caso della città di celluloide più nota al mondo: Los Angeles. Più in particolare s’intende analizzare la stretta relazione che intercorre tra l’attrattività turistica della metropoli e l’industria cinematografica.  Come ben noto, Los Angeles continua da quasi un secolo a suggestionare l’immaginario collettivo in quanto mecca del cinema e patria di Hollywood, l’industria che ha creato il sogno americano. Tuttavia LA, oggi, è anche una delle prime dieci città mondiali. Rappresenta l’esempio di come l’industria creativa (e il cinema è creatività per definizione sia riuscita a realizzare un sistema economico e d’innovazione tecnologica che funziona come polo di attrazione sia per tutti coloro che intendono sviluppare nuove attività, non possibili in altre parti del mondo, sia per visitatori e turisti attirati da un insieme di fattori emozionali legati alla notorietà dei luoghi del sistema cinematografico e dello spettacolo. Sulla base dell’analisi della letteratura e facendo seguito a esperienze di studio sul campo, il contributo vuole evidenziare la stretta connessione costruita nel corso di più di un secolo tra Hollywood, il luogo, e Hollywood, l’industria, per dimostrare come il luogo di produzione rappresenti una componente unica del prodotto finale, un’autenticazione di qualità soggettive e simboliche in grado di amplificare il valore economico intrinseco e di provocare un’attrazione crescente di attività e persone verso l’area metropolitana di Los Angeles.   This paper discusses Los Angeles as the best-known celluloid city in the world, and focuses particularly on the close relationship between its attractiveness for tourists and the film industry. For almost a century Los Angeles has exerted influence over the collective imagination as the mecca of cinema and home of Hollywood, the industry that created the American dream

  20. Hospedándose en la ciudad global: patrones de localización de los hoteles de lujo en Santiago de Chile

    Directory of Open Access Journals (Sweden)

    Rodrigo Hidalgo

    2016-01-01

    Full Text Available Chile se está convirtiendo en uno de los destinos más importantes en América Latina, especialmente, con su capital, Santiago. Así, asume un papel fundamental en los atractivos turísticos de familias, turistas urbanos y de negocios. Estos últimos juegan un rol importante dentro de este contexto, ya que las cadenas internacionales han construido numerosos hoteles de lujo dirigidos a ellos, alcanzando los estándares de las ciudades globales. La continua reestructuración económico-urbana de las metrópolis ha producido una distribución policéntrica de los hoteles de lujo; la mayoría de ellos, los más costosos y ostentosos, se ubican en la ciudad moderna. El aeropuerto, los centros de innovación y parques de negocio, al igual que el centro de la ciudad, también han formado parte de este nicho de inversión. En el caso del área de estudio analizada, las localizaciones de los hoteles de lujo muestran patrones que reflejan una nueva producción del espacio por parte de los agentes privados, en su búsqueda de una mejor capitalización de la renta urbana. Ello se refleja en la estructura intraurbana de los precios y la distribución de los hoteles de lujo.

  1. Análisis de los hoteles de alta categoría de Croacia desde el enfoque hotel-huésped

    OpenAIRE

    Šerić, Maja; Gil Saura, Irene

    2011-01-01

    The tourism sector of Croatia has been developing strongly in the last ten years. It is of crucial importance for its future development to be capable of managing the hotel sector according to the new market conditions. The purpose of this research is to study high-quality hotels of Croatia from the hotels' and guests' points of view focusing on a new marketing strategy named Integrated Marketing Communications (IMC), advancements in Information and Communication Technology (ICT), and loyalty...

  2. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    China World Hotel, Beijing China World Hotel, Beijing,recently announced the appointment of Marcus Bauder asits new hotel manager. Bauder will assist the general manager with the day-to-day operations of the hotel.

  3. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    Sheraton Beijing Dongcheng Hotel Vincent Thong has been appointed General Manager of Sheraton Beijing Dongcheng Hotel,which is scheduled to open in mid-2011.This hotel will be the second Sheraton hotel,

  4. Check Yourself: a social marketing campaign to increase syphilis screening in Los Angeles County.

    Science.gov (United States)

    Plant, Aaron; Javanbakht, Marjan; Montoya, Jorge A; Rotblatt, Harlan; O'Leary, Christopher; Kerndt, Peter R

    2014-01-01

    In 2007, the Los Angeles County Department of Public Health launched Check Yourself, a new social marketing campaign, as part of ongoing efforts to address the persistent syphilis epidemic among men who have sex with men (MSM) in the county. The goals of the campaign were to increase syphilis testing and knowledge among MSM. Check Yourself was planned with careful attention to the principles of social marketing, including formative research, market segmentation, and an emphasis on building a strong brand. A cross-sectional survey using a time-location sample was conducted in 2009 for the evaluation. The survey assessed demographics, syphilis knowledge, and recent syphilis testing as well as unaided awareness, aided awareness, and confirmed awareness, meaning that a person had both awareness of the campaign and could correctly identify that the campaign was about syphilis. The total sample size was 306. Unaided awareness for Check Yourself was 20.7%, and aided awareness was 67.5%, bringing total campaign awareness to 88.2%; confirmed awareness was 30.4%. Unaided campaign awareness was associated with syphilis knowledge and important risk behaviors for syphilis, indicating that the campaign reached an appropriate audience. Total awareness was not associated with recent syphilis testing in a multivariate model. However, MSM with confirmed awareness were more than 6 times more likely to have been recently tested. The evaluation of Check Yourself found that the campaign had a very strong brand among MSM. Although total awareness was not associated with syphilis testing, confirmed awareness, a more robust measure, was strongly associated.

  5. Immigrant enclaves and obesity in preschool-aged children in Los Angeles County.

    Science.gov (United States)

    Nobari, Tabashir Z; Wang, May-Choo; Chaparro, M Pia; Crespi, Catherine M; Koleilat, Maria; Whaley, Shannon E

    2013-09-01

    While neighborhood environments are increasingly recognized as important contributors to obesity risk, less has been reported on the socio-cultural aspects of neighborhoods that influence obesity development. This is especially true among immigrants, who may lack the necessary language skills to navigate their new living environments. In this study, we tested the hypothesis that young children of immigrants would be at lower obesity risk if they lived in neighborhoods where neighbors share the same language and culture. Using 2000 Census data and 2003-2009 data from the Special Supplemental Nutrition Program for Women, Infants and Children in Los Angeles County, we examined the relation between BMI z-scores in low-income children aged 2-5 years (N = 250,029) and the concentration of neighborhood residents who spoke the same language as the children's mothers. Using multi-level modeling and adjusting for child's gender and race/ethnicity, household education, neighborhood socioeconomic status, and year the child was examined, we found that percent of neighborhood residents who spoke the same language as the child's mother was negatively associated with BMI z-scores. This relation varied by child's race/ethnicity and mother's preferred language. The relation was linear and negative among children of English-speaking Hispanic mothers and Chinese-speaking mothers. However, for Hispanic children of Spanish-speaking mothers the relation was curvilinear, initially exhibiting a positive relation which reversed at higher neighborhood concentrations of Spanish-speaking residents. Our findings suggest that living in neighborhoods where residents share the same language may influence obesity-related behaviors (namely diet and physical activity) possibly through mechanisms involving social networks, support, and norms.

  6. Air pollution and incidence of hypertension and diabetes mellitus in black women living in Los Angeles.

    Science.gov (United States)

    Coogan, Patricia F; White, Laura F; Jerrett, Michael; Brook, Robert D; Su, Jason G; Seto, Edmund; Burnett, Richard; Palmer, Julie R; Rosenberg, Lynn

    2012-02-14

    Evidence suggests that longer-term exposure to air pollutants over years confers higher risks of cardiovascular morbidity and mortality than shorter-term exposure. One explanation is that the cumulative adverse effects that develop over longer durations lead to the genesis of chronic disease. Preliminary epidemiological and clinical evidence suggests that air pollution may contribute to the development of hypertension and type 2 diabetes mellitus. We used Cox proportional hazards models to assess incidence rate ratios (IRRs) and 95% confidence intervals (CIs) for incident hypertension and diabetes mellitus associated with exposure to fine particulate matter (PM(2.5)) and nitrogen oxides in a cohort of black women living in Los Angeles. Pollutant levels were estimated at participants' residential addresses with land use regression models (nitrogen oxides) and interpolation from monitoring station measurements (PM(2.5)). Over follow-up from 1995 to 2005, 531 incident cases of hypertension and 183 incident cases of diabetes mellitus occurred. When pollutants were analyzed separately, the IRR for hypertension for a 10-μg/m(3) increase in PM(2.5) was 1.48 (95% CI, 0.95-2.31), and the IRR for the interquartile range (12.4 parts per billion) of nitrogen oxides was 1.14 (95% CI, 1.03-1.25). The corresponding IRRs for diabetes mellitus were 1.63 (95% CI, 0.78-3.44) and 1.25 (95% CI, 1.07-1.46). When both pollutants were included in the same model, the IRRs for PM(2.5) were attenuated and the IRRs for nitrogen oxides were essentially unchanged for both outcomes. Our results suggest that exposure to air pollutants, especially traffic-related pollutants, may increase the risk of type 2 diabetes mellitus and possibly of hypertension.

  7. Using DNA barcoding to track seafood mislabeling in Los Angeles restaurants.

    Science.gov (United States)

    Willette, Demian A; Simmonds, Sara E; Cheng, Samantha H; Esteves, Sofia; Kane, Tonya L; Nuetzel, Hayley; Pilaud, Nicholas; Rachmawati, Rita; Barber, Paul H

    2017-01-11

    Seafood mislabeling is common in both domestic and international markets. Studies on seafood fraud often report high rates of mislabeling (e.g., >70%), but these studies have been limited to a single sampling year, which means it is difficult to assess the impact of stricter governmental truth-in-labeling regulations. We used DNA barcoding to assess seafood labeling in 26 sushi restaurants in Los Angeles over 4 years. Seafood from 3 high-end grocery stores were also sampled (n = 16) in 2014. We ordered 9 common sushi fish from menus, preserved tissue samples in 95% ethanol, extracted the genomic DNA, amplified and sequenced a portion of the mtDNA COI gene, and identified the resulting sequence to known fish sequences from the National Center for Biotechnology Information nucleotide database. We compared DNA results with the U.S. Food and Drug Administration (FDA) list of acceptable market names and retail names. We considered sushi-sample labels that were inconsistent with FDA names mislabeled. Sushi restaurants had a consistently high percentage of mislabeling (47%; 151 of 323) from 2012 to 2015, yet mislabeling was not homogenous across species. Halibut, red snapper, yellowfin tuna, and yellowtail had consistently high (15%). All sampled sushi restaurants had at least one case of mislabeling. Mislabeling of sushi-grade fish from high-end grocery stores was also identified in red snapper, yellowfin tuna, and yellowtail, but at a slightly lower frequency (42%) than sushi restaurants. Despite increased regulatory measures and media attention, we found seafood mislabeling continues to be prevalent. © 2017 Society for Conservation Biology.

  8. Safe Routes to Play? Pedestrian and Bicyclist Crashes Near Parks in Los Angeles

    Science.gov (United States)

    Jerrett, Michael; Su, Jason G.; MacLeod, Kara E.; Hanning, Cooper; Houston, Douglas; Wolch, Jennifer

    2017-01-01

    Background Areas near parks may present active travelers with higher risks than in other areas due to the confluence of more pedestrians and bicyclists, younger travelers, and the potential for increased traffic volumes. These risks may be amplified in low-income and minority neighborhoods due to generally higher rates of active travel or lack of safety infrastructure. This paper examines active travel crashes near parks and builds on existing research around disparities in park access and extends research from the Safe Routes to School and Safe Routes to Transit movements to parks. Methods We utilized the Green Visions Parks coverage, encompassing Los Angeles County and several other cities in the LA Metropolitan area. We used negative bionomial regression modeling techniques and ten years of geolocated pedestrian and bicyclist crash data to assess the number of active travel injuries within a quarter mile (~400 m) buffer around parks. We controlled for differential exposures to active travel using travel survey data and Bayesian smoothing models. Results Of 1,311,736 parties involved in 608,530 crashes, there were 896,359 injuries and 7317 fatalities. The number of active travel crash injuries is higher within a quarter-mile of a park, with a ratio of 1.52 per 100,000 residents, compared to areas outside that buffer. This higher rate near parks is amplified in neighborhoods with high proportions of minority and low-income residents. Higher traffic levels are highly predictive of active travel crash injuries. Conclusions Planners should consider the higher risks of active travel near parks and the socioeconomic modification of these risks. Additional traffic calming and safety infrastructure may be needed to provide safe routes to parks. PMID:27689542

  9. Aerosol lidar observations of atmospheric mixing in Los Angeles: Climatology and implications for greenhouse gas observations.

    Science.gov (United States)

    Ware, John; Kort, Eric A; DeCola, Phil; Duren, Riley

    2016-08-27

    Atmospheric observations of greenhouse gases provide essential information on sources and sinks of these key atmospheric constituents. To quantify fluxes from atmospheric observations, representation of transport-especially vertical mixing-is a necessity and often a source of error. We report on remotely sensed profiles of vertical aerosol distribution taken over a 2 year period in Pasadena, California. Using an automated analysis system, we estimate daytime mixing layer depth, achieving high confidence in the afternoon maximum on 51% of days with profiles from a Sigma Space Mini Micropulse LiDAR (MiniMPL) and on 36% of days with a Vaisala CL51 ceilometer. We note that considering ceilometer data on a logarithmic scale, a standard method, introduces, an offset in mixing height retrievals. The mean afternoon maximum mixing height is 770 m Above Ground Level in summer and 670 m in winter, with significant day-to-day variance (within season σ = 220m≈30%). Taking advantage of the MiniMPL's portability, we demonstrate the feasibility of measuring the detailed horizontal structure of the mixing layer by automobile. We compare our observations to planetary boundary layer (PBL) heights from sonde launches, North American regional reanalysis (NARR), and a custom Weather Research and Forecasting (WRF) model developed for greenhouse gas (GHG) monitoring in Los Angeles. NARR and WRF PBL heights at Pasadena are both systematically higher than measured, NARR by 2.5 times; these biases will cause proportional errors in GHG flux estimates using modeled transport. We discuss how sustained lidar observations can be used to reduce flux inversion error by selecting suitable analysis periods, calibrating models, or characterizing bias for correction in post processing.

  10. Ozone transport from the free troposphere to the Los Angeles Basin

    Science.gov (United States)

    Neuman, J.; Trainer, M.; Aikin, K.; Angevine, W. M.; Brioude, J.; Brown, S. S.; De Gouw, J. A.; Dube, B.; Graus, M.; Flynn, J. H.; Holloway, J. S.; Lefer, B. L.; Nedelec, P.; Nowak, J. B.; Parrish, D. D.; Pollack, I. B.; Roberts, J. M.; Ryerson, T. B.; Smit, H. M.; Thouret, V.; Wagner, N.

    2011-12-01

    Downward transport of ozone-rich air from the free troposphere (FT) into the planetary boundary layer (PBL) contributes to the ozone burden at the surface in Southern California and makes compliance with air quality standards challenging. Gas phase compounds measured in 32 vertical profiles are used to characterize air masses in the FT over the Los Angeles, California (LA) basin, with the aim of determining the source of increased ozone observed above the PBL. The chemical composition, origin, and transport of air upwind and over LA are studied using in-situ airborne measurements from the CalNex 2010 field experiment (Research at the Nexus of Air Quality and Climate Change). Carbon monoxide (CO), ozone, reactive nitrogen species, and meteorological parameters were measured from the National Oceanic and Atmospheric Administration WP-3D aircraft on 18 research flights in California in May and June 2010. On six flights, multiple vertical profiles from 0.2-3.5 km above ground level were conducted throughout the LA basin and over the Pacific Ocean. Four primary air mass influences were regularly observed in the FT between approximately 1-3.5 km altitude: upper tropospheric air, emissions from long range transport, aged regional emissions, and marine air. Ozone in the FT was increased in three air mass types, averaging 71 ppbv in air influenced by the upper troposphere, 69 ppbv in air containing emissions transported long distances, and 65 ppbv in air with aged regional emissions. Correlations between ozone and CO, and ozone and nitric acid, demonstrate entrainment of ozone from the FT into the LA PBL.

  11. Quantifying sources of methane using light alkanes in the Los Angeles basin, California

    Science.gov (United States)

    Peischl, J.; Ryerson, T. B.; Brioude, J.; Aikin, K. C.; Andrews, A. E.; Atlas, E.; Blake, D.; Daube, B. C.; Gouw, J. A.; Dlugokencky, E.; Frost, G. J.; Gentner, D. R.; Gilman, J. B.; Goldstein, A. H.; Harley, R. A.; Holloway, J. S.; Kofler, J.; Kuster, W. C.; Lang, P. M.; Novelli, P. C.; Santoni, G. W.; Trainer, M.; Wofsy, S. C.; Parrish, D. D.

    2013-05-01

    Methane (CH4), carbon dioxide (CO2), carbon monoxide (CO), and C2-C5 alkanes were measured throughout the Los Angeles (L.A.) basin in May and June 2010. We use these data to show that the emission ratios of CH4/CO and CH4/CO2 in the L.A. basin are larger than expected from population-apportioned bottom-up state inventories, consistent with previously published work. We use experimentally determined CH4/CO and CH4/CO2 emission ratios in combination with annual State of California CO and CO2 inventories to derive a yearly emission rate of CH4 to the L.A. basin. We further use the airborne measurements to directly derive CH4 emission rates from dairy operations in Chino, and from the two largest landfills in the L.A. basin, and show these sources are accurately represented in the California Air Resources Board greenhouse gas inventory for CH4. We then use measurements of C2-C5 alkanes to quantify the relative contribution of other CH4 sources in the L.A. basin, with results differing from those of previous studies. The atmospheric data are consistent with the majority of CH4 emissions in the region coming from fugitive losses from natural gas in pipelines and urban distribution systems and/or geologic seeps, as well as landfills and dairies. The local oil and gas industry also provides a significant source of CH4 in the area. The addition of CH4 emissions from natural gas pipelines and urban distribution systems and/or geologic seeps and from the local oil and gas industry is sufficient to account for the differences between the top-down and bottom-up CH4 inventories identified in previously published work.

  12. Black carbon aerosol over the Los Angeles Basin during CalNex

    Science.gov (United States)

    Metcalf, A. R.; Craven, J. S.; Ensberg, J. J.; Brioude, J.; Angevine, W.; Sorooshian, A.; Duong, H. T.; Jonsson, H. H.; Flagan, R. C.; Seinfeld, J. H.

    2012-04-01

    Refractory black carbon (rBC) mass and number concentrations were quantified by a Single Particle Soot Photometer (SP2) in the CalNex 2010 field study on board the Center for Interdisciplinary Remotely-Piloted Aircraft Studies (CIRPAS) Twin Otter in the Los Angeles (LA) Basin in May, 2010. The mass concentrations of rBC in the LA Basin ranged from 0.002-0.530μg m-3, with an average of 0.172 μg m-3. Lower concentrations were measured in the Basin outflow regions and above the inversion layer. The SP2 afforded a quantification of the mixing state of rBC aerosols through modeling the scattering cross-section with a core-and-shell Mie model to determine coating thickness. The rBC particles above the inversion layer were more thickly coated by a light-scattering substance than those below, indicating a more aged aerosol in the free troposphere. Near the surface, as the LA plume is advected from west to east with the sea breeze, a coating of scattering material grows on rBC particles, coincident with a clear growth of ammonium nitrate within the LA Basin and the persistence of water-soluble organic compounds as the plume travels through the outflow regions. Detailed analysis of the rBC mixing state reveals two modes of coated rBC particles; a mode with smaller rBC core diameters (˜90 nm) but thick (>200 nm) coating diameters and a mode with larger rBC cores (˜145 nm) with a thin (<75 nm) coating. The "weekend effect" in the LA Basin results in more thickly coated rBC particles, coinciding with more secondary formation of aerosol.

  13. Shallow Miocene basaltic magma reservoirs in the Bahia de Los Angeles basin, Baja California, Mexico

    Science.gov (United States)

    Delgado-Argote, Luis A.; García-Abdeslem, Juan

    1999-01-01

    The basement in the Bahı´a de Los Angeles basin consists of Paleozoic metamorphic rocks and Cretaceous granitoids. The Neogene stratigraphy overlying the basement is formed, from the base to the top, by andesitic lava flows and plugs, sandstone and conglomeratic horizons, and Miocene pyroclastic flow units and basaltic flows. Basaltic dikes also intrude the whole section. To further define its structure, a detailed gravimetric survey was conducted across the basin about 1 km north of the Sierra Las Flores. In spite of the rough and lineal topography along the foothills of the Sierra La Libertad, we found no evidence for large-scale faulting. Gravity data indicates that the basin has a maximum depth of 120 m in the Valle Las Tinajas and averages 75 m along the gravimetric profile. High density bodies below the northern part of the Sierra Las Flores and Valle Las Tinajas are interpreted to be part of basaltic dikes. The intrusive body located north of the Sierra Las Flores is 2.5 km wide and its top is about 500 m deep. The lava flows of the top of the Sierra Las Flores, together with the distribution of basaltic activity north of this sierra, suggests that this intrusive body continues for 20 km along a NNW-trending strike. Between the sierras Las Flores and Las Animas, a 0.5-km-wide, 300-m-thick intrusive body is interpreted at a depth of about 100 m. This dike could be part of the basaltic activity of the Cerro Las Tinajas and the small mounds along the foothills of western Sierra Las Animas. The observed local normal faulting in the basin is inferred to be mostly associated with the emplacement of the shallow magma reservoirs below Las Flores and Las Tinajas.

  14. Mapping ground surface deformation using temporarily coherent point SAR interferometry: Application to Los Angeles Basin

    Science.gov (United States)

    Zhang, L.; Lu, Zhiming; Ding, X.; Jung, H.-S.; Feng, G.; Lee, C.-W.

    2012-01-01

    Multi-temporal interferometric synthetic aperture radar (InSAR) is an effective tool to detect long-term seismotectonic motions by reducing the atmospheric artifacts, thereby providing more precise deformation signal. The commonly used approaches such as persistent scatterer InSAR (PSInSAR) and small baseline subset (SBAS) algorithms need to resolve the phase ambiguities in interferogram stacks either by searching a predefined solution space or by sparse phase unwrapping methods; however the efficiency and the success of phase unwrapping cannot be guaranteed. We present here an alternative approach - temporarily coherent point (TCP) InSAR (TCPInSAR) - to estimate the long term deformation rate without the need of phase unwrapping. The proposed approach has a series of innovations including TCP identification, TCP network and TCP least squares estimator. We apply the proposed method to the Los Angeles Basin in southern California where structurally active faults are believed capable of generating damaging earthquakes. The analysis is based on 55 interferograms from 32 ERS-1/2 images acquired during Oct. 1995 and Dec. 2000. To evaluate the performance of TCPInSAR on a small set of observations, a test with half of interferometric pairs is also performed. The retrieved TCPInSAR measurements have been validated by a comparison with GPS observations from Southern California Integrated GPS Network. Our result presents a similar deformation pattern as shown in past InSAR studies but with a smaller average standard deviation (4.6. mm) compared with GPS observations, indicating that TCPInSAR is a promising alternative for efficiently mapping ground deformation even from a relatively smaller set of interferograms. ?? 2011.

  15. Aerosol lidar observations of atmospheric mixing in Los Angeles: Climatology and implications for greenhouse gas observations

    Science.gov (United States)

    Ware, John; Kort, Eric A.; DeCola, Phil; Duren, Riley

    2016-08-01

    Atmospheric observations of greenhouse gases provide essential information on sources and sinks of these key atmospheric constituents. To quantify fluxes from atmospheric observations, representation of transport—especially vertical mixing—is a necessity and often a source of error. We report on remotely sensed profiles of vertical aerosol distribution taken over a 2 year period in Pasadena, California. Using an automated analysis system, we estimate daytime mixing layer depth, achieving high confidence in the afternoon maximum on 51% of days with profiles from a Sigma Space Mini Micropulse LiDAR (MiniMPL) and on 36% of days with a Vaisala CL51 ceilometer. We note that considering ceilometer data on a logarithmic scale, a standard method, introduces, an offset in mixing height retrievals. The mean afternoon maximum mixing height is 770 m Above Ground Level in summer and 670 m in winter, with significant day-to-day variance (within season σ = 220m≈30%). Taking advantage of the MiniMPL's portability, we demonstrate the feasibility of measuring the detailed horizontal structure of the mixing layer by automobile. We compare our observations to planetary boundary layer (PBL) heights from sonde launches, North American regional reanalysis (NARR), and a custom Weather Research and Forecasting (WRF) model developed for greenhouse gas (GHG) monitoring in Los Angeles. NARR and WRF PBL heights at Pasadena are both systematically higher than measured, NARR by 2.5 times; these biases will cause proportional errors in GHG flux estimates using modeled transport. We discuss how sustained lidar observations can be used to reduce flux inversion error by selecting suitable analysis periods, calibrating models, or characterizing bias for correction in post processing.

  16. Pharmacy syringe purchase test of nonprescription syringe sales in San Francisco and Los Angeles in 2010.

    Science.gov (United States)

    Lutnick, Alexandra; Cooper, Erin; Dodson, Chaka; Bluthenthal, Ricky; Kral, Alex H

    2013-04-01

    The two main legal sources of clean needles for illicit injection drug users (IDUs) in California are syringe exchange programs (SEPs) and nonprescription syringe sales (NPSS) at pharmacies. In 2004, California became one of the last states to allow NPSS. To evaluate the implementation of NPSS and the California Disease Prevention Demonstration Project (DPDP), we conducted syringe purchase tests in San Francisco (SF) and Los Angeles (LA) between March and July of 2010. Large differences in implementation were observed in the two cities. In LA, less than one-quarter of the enrolled pharmacies sold syringes to our research assistant (RA), and none sold a single syringe. The rate of successful purchase in LA is the lowest reported in any syringe purchase test. In both sites, there was notable variation among the gauge size available, and price and quantity of syringes required for a purchase. None of the DPDP pharmacies in LA or SF provided the requisite health information. The findings suggest that more outreach needs to be conducted with pharmacists and pharmacy staff. The pharmacies' failure to disseminate the educational materials may result in missed opportunities to provide needed harm reduction information to IDUs. The varied prices and required quantities may serve as a barrier to syringe access among IDUs. Future research needs to examine reasons why pharmacies do not provide the mandated information, whether the omission of disposal options is indicative of pharmacies' reluctance to serve as disposal sites, and if the dual opt-in approach of NPSS/DPDP is a barrier to pharmacy enrollment.

  17. The industrial division of labor among immigrants and internal migrants to the Los Angeles economy.

    Science.gov (United States)

    Ellis, M; Wright, R

    1999-01-01

    This study examined the industrial division of labor among immigrants and in-migrants in the Los Angeles, California, metropolitan area. It addresses debates about channeling of new arrivals into jobs among similar ethnic groups and human capital views. Data were obtained from the 1990 Census on resident native-born, resident foreign-born, in-migrants, and recent immigrants who arrived during 1985-90. Light and Rosenstein's (1995) concepts of groups and their resources were used to organize ideas about ethnic networks and their effectiveness in channeling migrant workers into 15 industrial sectors. Sectoral differences were revealed with the familiarity index of dissimilarity. Findings reveal that social networks were the strongest for Koreans, who supplied work for recent arrivals in the same sectors as Korean-born residents, regardless of education. Mexican new arrivals were less likely to work in the same sectors as their resident Mexican counterparts. Mexican networks placed new arrivals in durable manufacturing in the 1960s and 1970s when it was a key source of employment. By the 1980s and 1990s, the economy shifted and employment went down in durable manufacturing. Mexicans thus found employment elsewhere. Native White and Black in-migrants had the strongest channeling into same sector jobs. This is attributed to the small streams, the ability of the labor market to absorb these workers, and the availability of job vacancies among native out-migrants. Filipino migrants had similar patterns as Whites and Blacks. Mexican and Central American residents had more inter-ethnic competition over jobs than Whites or Blacks.

  18. Variation in genetic admixture and population structure among Latinos: the Los Angeles Latino eye study (LALES

    Directory of Open Access Journals (Sweden)

    Le Marchand Loic

    2009-11-01

    Full Text Available Abstract Background Population structure and admixture have strong confounding effects on genetic association studies. Discordant frequencies for age-related macular degeneration (AMD risk alleles and for AMD incidence and prevalence rates are reported across different ethnic groups. We examined the genomic ancestry characterizing 538 Latinos drawn from the Los Angeles Latino Eye Study [LALES] as part of an ongoing AMD-association study. To help assess the degree of Native American ancestry inherited by Latino populations we sampled 25 Mayans and 5 Mexican Indians collected through Coriell's Institute. Levels of European, Asian, and African descent in Latinos were inferred through the USC Multiethnic Panel (USC MEP, formed from a sample from the Multiethnic Cohort (MEC study, the Yoruba African samples from HapMap II, the Singapore Chinese Health Study, and a prospective cohort from Shanghai, China. A total of 233 ancestry informative markers were genotyped for 538 LALES Latinos, 30 Native Americans, and 355 USC MEP individuals (African Americans, Japanese, Chinese, European Americans, Latinos, and Native Hawaiians. Sensitivity of ancestry estimates to relative sample size was considered. Results We detected strong evidence for recent population admixture in LALES Latinos. Gradients of increasing Native American background and of correspondingly decreasing European ancestry were observed as a function of birth origin from North to South. The strongest excess of homozygosity, a reflection of recent population admixture, was observed in non-US born Latinos that recently populated the US. A set of 42 SNPs especially informative for distinguishing between Native Americans and Europeans were identified. Conclusion These findings reflect the historic migration patterns of Native Americans and suggest that while the 'Latino' label is used to categorize the entire population, there exists a strong degree of heterogeneity within that population, and that

  19. Application of three fault growth criteria to the Puente Hills thrust system, Los Angeles, California, USA

    Science.gov (United States)

    Olson, Erik L.; Cooke, Michele L.

    2005-10-01

    Three-dimensional mechanical models are used to evaluate the performance of different fault growth criteria in predicting successive growth of three échelon thrust faults similar to the segments of the Puente Hills thrust system of the Los Angeles basin, California. Four sequential Boundary Element Method models explore the growth of successive échelon faults within the system by simulating snapshots of deformation at different stages of development. These models use three criteria, (1) energy release rate, (2) strain energy density, and (3) Navier-Coulomb stress, to characterize the lateral growth of the fault system. We simulate the growth of an échelon thrust fault system to evaluate the suitability of each of these criteria for assessing fault growth. Each of these three factors predicts a portion of the incipient fault geometry (i.e. location or orientation); however, each provides different information. In each model, energy release rate along the westernmost (leading) tip of the Puente Hills thrust drops with growth of the next neighboring fault; this result supports the overall lateral development of successive échelon segments. Within each model, regions of high strain energy density and Navier-Coulomb stress envelope at least a portion of the next fault to develop, although the strain energy density has stronger correlation than Navier-Coulomb stress to the location of incipient faulting. In each model, one of the two predicted planes of maximum Navier-Coulomb stress ahead of the leading fault tip matches the strike but not the dip of the incipient fault plane recreating part of the fault orientation. The incipient fault dip is best predicted by the orientation of the strain energy density envelopes around the leading fault tip. Furthermore, the energy release rate and pattern of strain energy density can be used to characterize potential soft linkage (overlap) or hard linkage (connection) of échelon faults within the system.

  20. Intra-community spatial variability of particulate matter size distributions in southern California/Los Angeles

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    M. Krudysz

    2008-05-01

    Full Text Available Ultrafine particle (UFP number concentrations vary significantly on small spatial and temporal scales due to their short atmospheric lifetimes and multiplicity of sources. To determine UFP exposure gradients within a community, simultaneous particle number concentration measurements at a network of sites are necessary. Concurrent particle size distribution measurements aid in identifying UFP sources, while providing data to investigate local scale effects of both photochemical and physical processes on UFP. From April to December 2007, we monitored particle size distributions at 13 sites within 350 m to 11 km of each other in the vicinity of the Ports of Los Angeles and Long Beach using Scanning Mobility Particle Sizers (SMPS. Typically, three SMPS units were simultaneously deployed and rotated among sites at 1–2 week intervals. Total particle number concentration measurements were conducted continuously at all sites. Seasonal and diurnal size distribution patterns are complex, highly dependent on local meteorology, nearby PM sources, and times of day, and cannot be generalized over the study area nor inferred from one or two sampling locations. Spatial variation in particle number size distributions was assessed by calculating the coefficient of divergence (COD and correlation coefficients (r between site pairs. Results show an overall inverse relationship between particle size and CODs, implying that number concentrations of smaller particles (<40 nm differ from site to site, whereas larger particles tend to have similar concentrations at various sampling locations. In addition, variations in r values as a function of particle size are not necessarily consistent with corresponding COD values, indicating that using results from correlation analysis alone may not accurately assess spatial variability.

  1. Modeling the Spread and Control of the Asian Tiger Mosquito in Los Angeles

    Science.gov (United States)

    Barker, C.; Montecino, D.; Marcantonio, M.

    2015-12-01

    The Asian tiger mosquito, Aedes albopictus, is among the world's most invasive species. Its spread has been facilitated by rapid global transport of cargo and potentially by the warming of climate, and it is now established on every continent except Antarctica. This species represents a "triple threat" to human health, being a day-biting pest, a competent vector of globally important dengue and chikungunya viruses, and a potential bridge vector of several zoonotic arboviruses. As a result of its importance, the biology of Ae. albopictus is also well-studied, but the fine-scale processes by which it becomes established in a given location are poorly understood. This is because even intensive surveillance systems yield limited information during the early phase of invasions when densities are low, and detection often occurs after populations are relatively widespread. Fine-scale spatial models for mosquito dynamics and movement offer a way forward, marrying our understanding of Ae. albopictus biology with surveillance paradigms and detailed data on the real landscapes where invasions occur. This presentation will consider the impacts of climate on the biology of Ae. albopictus and explore their implications for the ongoing invasion and establishment of Ae. albopictus in Los Angeles since 2011. We have used hierarchical modeling to account for heterogeneities in household-level suitability, then we modeled the stochastic dynamics of Ae. albopictus on this landscape using the suitability surface and a temperature-dependent, dynamical model for reproduction and spread. I will discuss the modeling approach and use the model results to answer policy-relevant questions related to our ability to detect and control these highly invasive mosquitoes.

  2. LA REPUTACIÓN ONLINE Y SU IMPACTO EN LA POLÍTICA DE PRECIOS DE LOS HOTELES

    Directory of Open Access Journals (Sweden)

    Patricia Diana-Jens

    2015-01-01

    Full Text Available En este trabajo se demuestra que una buena reputación online, entendiendo por ello la primera posición de un determinado destino según el índice de popularidad de Tripadvisor, permite a los hoteles que ostentan dicho posicionamiento ofrecer precios de venta más altos que los de sus competidores. En concreto, un establecimiento situado en la primera posición de un destino, aparte de tener mayor visibilidad y por lo tanto posibilidades de compra por parte del consumidor, establece de media sus precios un 22,26% más altos que los precios de su set de competidores para un mismo tipo de producto.

  3. National Health and Nutrition Examination Survey: California and Los Angeles County, Estimation Methods and Analytic Considerations, 1999-2006 and 2007-2014.

    Science.gov (United States)

    Parker, Jennifer D; Kruszon-Moran, Deanna; Mohadjer, Leyla K; Dohrmann, Sylvia M; Van de Kerckhove, Wendy; Clark, Jason; Burt, Vicki L

    2017-05-01

    Background California is the most populated state and Los Angeles County is the most populated county in the United States. National Health and Nutrition Examination Survey (NHANES) sample weights and variance units were developed for these places to obtain subnational estimates. Objective This report describes the California and Los Angeles County NHANES 1999-2006 and 2007-2014 samples, including the creation of the sample weights and variance units and descriptions of the resulting data files. Some analytic guidelines are provided. Results Eight years of NHANES data were combined for each data file to provide an adequate sample size and reduce disclosure risks. Because Los Angeles County has been a self-representing primary sampling unit, sample weights for Los Angeles County were relatively straightforward. However, a modelbased approach was used to create sample weights for California. The relatively large proportion of Mexican- American and other Hispanic persons in California, coupled with the different NHANES 1999-2014 sample design requirements for oversampling these groups within the small number of NHANES locations selected each cycle, led to a relatively large size of these groups in the California and Los Angeles County NHANES files. For example, 1,137 and 374 of the 3,353 Mexican-Americans persons in NHANES 2007-2014 were in the California and Los Angeles County samples, respectively. Conclusion The California and Los Angeles County NHANES 1999-2006 and 2007-2014 samples are available in the National Center for Health Statistics Research Data Center. All material appearing in this report is in the public domain and may be reproduced or copied without permission; citation as to source, however, is appreciated.

  4. Misuse of prescription and illicit drugs among high-risk young adults in Los Angeles and New York

    Directory of Open Access Journals (Sweden)

    Stephen E. Lankenau

    2012-02-01

    Full Text Available Background. Prescription drug misuse among young adults is increasingly viewed as a public health concern, yet most research has focused on student populations and excluded high-risk groups. Furthermore, research on populations who report recent prescription drug misuse is limited. This study examined patterns of prescription drug misuse among high-risk young adults in Los Angeles (LA and New York (NY, which represent different local markets for illicit and prescription drugs. Design and Methods. Between 2009 and 2011, 596 young adults (16 to 25 years old who had misused prescription drugs within the past 90 days were interviewed in Los Angeles and New York. Sampling was stratified to enroll three groups of high-risk young adults: injection drug users (IDUs; homeless persons; and polydrug users. Results. In both sites, lifetime history of receiving a prescription for an opioid, tranquilizer, or stimulant was high and commonly preceded misuse. Moreover, initiation of opioids occurred before heroin and initiation of prescription stimulants happened prior to illicit stimulants. NY participants more frequently misused oxycodone, heroin, and cocaine, and LA participants more frequently misused codeine, marijuana, and methamphetamine. Combining prescription and illicit drugs during drug using events was commonly reported in both sites. Opioids and tranquilizers were used as substitutes for other drugs, e.g., heroin, when these drugs were not available. Conclusion. Patterns of drug use among high-risk young adults in Los Angeles and New York appear to be linked to differences in local markets in each city for illicit drugs and diverted prescription drugs.

  5. Stormwater Infrastructure in the Los Angeles Region: Are Regulatory Drivers and Opportunism the Best Approach to Clean Water?

    Science.gov (United States)

    Mika, K.; Gold, M.

    2016-12-01

    The Los Angeles region has invested nearly a billion dollars in stormwater infrastructure projects over the last 15 years. The primary drivers for these projects have been regulatory requirements under the Los Angeles County MS4 permit and Total Maximum Daily Loads (TMDLs) for over 150 impaired water bodies in the region. In addition, voters in the state of California have approved five separate water bonds over the last 15 years totaling nearly 21 billion. The City of Los Angeles approved a 500 million stormwater bond in 2004 to construct best management practices (BMPs) to help the city comply with water quality standards. There have also been numerous comprehensive Low Impact Development (LID) ordinances approved in the region that are designed to ensure that new and redevelopment capture for reuse or infiltrate 100% of the runoff generated from the 85th percentile storm. This presentation will overview an assessment of decision-making related to the funding of stormwater BMPs in the region. Specific examples of constructed BMPs, including their performance for meeting water quality standards, will be provided. Among the shortcomings of relying on a bond funding approach to new stormwater infrastructure is a California statutory prohibition on using bond funds for BMP operations and maintenance. The advantages of a systematic structural BMP sizing, designing and siting approach based on optimizing multiple beneficial uses (water quality, flood control, water supply, habitat and recreation) across watersheds or subwatersheds will also be discussed. Integration of stormwater infrastructure construction with transportation improvement projects, as well as building retrofit upon sale requirements, will greatly expedite regional transformation to green stormwater infrastructure.

  6. Water and identity: an urban case study for densification along Los Angeles River’s Rio Hondo Confluence

    Directory of Open Access Journals (Sweden)

    Jeffrey C. Vaglio

    2012-10-01

    Full Text Available When Los Angeles was founded in 1781, the mountains, river and shore formed the landscape. Today, street grids and a superimposed network of meandering freeways blanket the valleys while clusters of high-rises emerge periodically to provide underpinnings of the city’s identifiable neighborhoods. Only the Los Angeles River is invisible, reduced to concrete-lined drainage channels, denuded of riparian vegetation, bounded by rail lines, hidden behind industrial plants and beneathfreeways. What is a river without water? Throughout landscapes, urban and rural alike, rivers and infrastructure intertwine like tendons to connect cities to natural resources and each other. This dance is particularly evident in an 11-mile stretch of the 51-mile river referred to as Reach 2 where the 710 Long Beach Freeway parallels, elevates, and hurdles the concrete-lined depression of the barren riverbed. Ten cities comprise Reach2, which fail to garner the attention of Downtown Los Angeles to the north and the Long Beach estuary to the south. As a result of this intermittency, these cities suffer from social and infrastructural neglect, while struggling to develop positive community identity. In modern multi-city metropolitan areas, governmental centers dominate the political infrastructure. Meanwhile, physical infrastructures, such as freeways, often divide these cities. This research seeks to invert these paradigms in an effort to celebrate city identity at political borders, and transform physical divisions into cultural connections. Research and a design prototype were developed in a unique multi-disciplinary graduate studio environment. Reach 2 is compared to Tokyo to extract potential community identities to support dense and vibrant future development. Additionally, an innovative four-dimensional land-use analysis is conducted across the region to identify voids/opportunities for optimal multi-use development. These investigations culminate in a design

  7. Effect of environmental perchlorate on thyroid function in pregnant women from Córdoba, Argentina, and Los Angeles, California.

    Science.gov (United States)

    Pearce, Elizabeth N; Spencer, Carole A; Mestman, Jorge H; Lee, Richard H; Bergoglio, Liliana M; Mereshian, Paula; He, Xuemei; Leung, Angela M; Braverman, Lewis E

    2011-01-01

    To determine whether environmental perchlorate exposure adversely affects thyroid function in women in the first trimester of pregnancy. First-trimester pregnant women were recruited from prenatal clinics in the Los Angeles County Hospital, Los Angeles, California, and in the Hospital Universitario de Maternidad dependent Universidad Nacional de Córdoba, Córdoba, Argentina, between 2004 and 2007. Spot urine and blood specimens were obtained during the clinic visit. Urinary perchlorate, iodine, and creatinine were measured, and thyroid function tests were performed. The study included 134 pregnant women from Los Angeles, California (mean gestational age ± SD = 9.1 ± 2.2 weeks), and 107 pregnant women from Córdoba, Argentina (mean gestational age = 10.0 ± 2.0 weeks). Median urinary iodine values were 144 μg/L in California and 130 μg/L in Argentina. Urinary perchlorate levels were detectable in all women (California: median, 7.8 μg/L [range, 0.4-284 μg/L] and Argentina: median, 13.5 μg/L [range, 1.1-676 μg/L]). Serum thyroperoxidase antibodies were detectable in 21 women from California (16%) and in 17 women from Argentina (16%). Using Spearman rank correlation analyses, there was no association between urinary perchlorate concentrations and serum thyrotropin, free thyroxine index, or total triiodothyronine values, including within the subset of women with urinary iodine values less than 100 μg/L. In multivariate analyses using the combined Argentina and California data sets and adjusting for urinary iodine concentrations, urinary creatinine, gestational age, and thyroperoxidase antibody status, urinary perchlorate was not a significant predictor of thyroid function. Low-level perchlorate exposure is ubiquitous, but is not associated with altered thyroid function among women in the first trimester of pregnancy.

  8. Motivations for Intravaginal Product Use among a Cohort of Women in Los Angeles.

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    Joelle M Brown

    Full Text Available Intravaginal practices-including behaviors such as intravaginal cleansing and insertion of products-have been linked to a number of adverse reproductive health outcomes, including increased risk for bacterial vaginosis, sexually transmitted infections, and HIV. Currently, little is known about the motivations for intravaginal practices among women in the United States. The objective of this study was to identify and describe motivations for intravaginal washing and intravaginal insertion of products among women of differing ages and racial/ethnic groups.Between 2008 and 2010, we enrolled a convenience sample of sexually active women aged 18-65 years living in Los Angeles recruited through community education and outreach activities in HIV/AIDS service organizations, women's health clinics, community-based organizations, and HIV testing sites. At the enrollment visit, women completed a self-administered, computer-assisted questionnaire covering demographics, sexual behaviors, intravaginal practices, and motivations for intravaginal practices over the past month and past year.We enrolled 141 women; 34% of participants were Caucasian, 40% African American, and 26% Latina. Peri-sexual intravaginal washing was common in all groups, whether to clean up after sex (70% or to prepare for sex (54%. African American women were more likely to report learning to wash intravaginally from their mothers compared to Latina or Caucasian women (70% vs. 49%, P = 0.04. Sixty-one percent of African American women reported using a douching device over the past year compared to 41% of Latina and 40% of Caucasian women (p = 0.02. Younger women were more likely to report that their male partners wanted them to wash intravaginally than older women (77% vs. 24%, P<0.01, and more likely to report the removal of odors as a motive than older women (65% vs. 40%, P = 0.04. The most commonly used intravaginal products included sexual lubricants, petroleum jelly, body lotions

  9. Deep Water Compositions From the Los Angeles Basin and the Origin of Formation Water Salinity

    Science.gov (United States)

    Boles, J.; Giles, G.; Lockman, D.

    2005-12-01

    Deep basin formation waters represent original depositional waters that have been modified by diagenetic processes at elevated temperatures and pressures. In addition, they may be diluted by meteoric incursion from elevated structural blocks along basin flanks. It has long been thought that deep basin formation waters have salinities greater than sea water due to various processes like clay membrane filtration or other types of water-rock interaction. However, our work and similar studies in the San Joaquin basin show that formation waters in deep basins are more likely to become diluted rather than concentrated in the absence of soluble evaporite deposits that might underlie the basin. The idea of increased salinity with depth arose from studies in which the underpinning of the basin consisted of soluble evaporate deposits such as the Texas Gulf Coast, Illinois, Michigan, and some North Sea areas. There are very few deep formation water analyses from the Los Angeles Basin. Furthermore, very few of the current produced waters from any depth can be considered pristine because of the widespread formation water injection programs and commingling of fluids from different levels. Here, we describe the first analyses from a deep, previously untouched part of the basin that is currently being developed in the Inglewood Oil Field. We have analyzed a suite of formation waters from the mid-Miocene marine Sentous sandstone from sub-sea level depths of 2250 m to 2625 m at temperatures of about 110 to 126°C and pressures of about 27 MPa. The original depositional waters in the Sentous Formation were sea water whereas the sampled waters are diluted by about 20% from sea water and some show as much as 50% dilution. Based on comparison of oxygen and deuterium isotopes between the meteoric water trend and these waters, we conclude that the smectite to illite dehydration reaction is the major cause of dilution to the original formation water. Other notable differences include

  10. Aerosol Composition in the Los Angeles Basin Studied by High Resolution Aerosol Mass Spectrometry

    Science.gov (United States)

    Hayes, P. L.; Ortega, A. M.; Cubison, M.; Hu, W.; Toohey, D. W.; Flynn, J. H.; Grossberg, N.; Lefer, B. L.; Alvarez, S. L.; Rappenglueck, B.; Allan, J. D.; Taylor, J.; Holloway, J. S.; Gilman, J. B.; Kuster, W. C.; De Gouw, J. A.; Massoli, P.; Zhang, X.; Weber, R.; Zhao, Y.; Cliff, S. S.; Wexler, A. S.; Isaacman, G. A.; Worton, D. R.; Kreisberg, N. M.; Hering, S. V.; Goldstein, A. H.; Jimenez, J. L.

    2011-12-01

    Atmospheric aerosols impact climate and health, but their sources and composition are poorly understood. To address this knowledge gap, a high-resolution aerosol mass spectrometer (AMS) and complementary instrumentation were deployed during the 2010 CalNex campaign to characterize aerosol composition in the Los Angeles (LA) area. Total mass concentrations as well as the species concentrations measured by the AMS compare well with most other instruments. Nitrate dominates in the mornings, but its concentration is reduced in the afternoon when organic aerosols (OA) increase and dominate. The diurnal variations in concentrations are strongly influenced by emission transport from the source-rich western basin. The average OA to enhanced CO ratio increases with photochemical age from 25 to 80 μg m-3 ppm-1, which indicates significant secondary OA (SOA) production and that a large majority of OA is secondary in aged air. The ratio values are similar to those from Mexico City as well as New England and the Mid-Atlantic States. Positive matrix factorization (PMF) is used to assess the concentrations of different OA components. The major OA classes are oxygenated OA (OOA, a surrogate for total SOA), and hydrocarbon-like OA (HOA, a surrogate for primary combustion OA). Several subclasses of OA are identified as well including diesel-influenced HOA (DI-HOA) and non-diesel HOA. DI-HOA exhibits low concentrations on Sundays consistent with the well-known weekday/weekend effect in LA. PMF analysis finds that OOA is 67% of the total OA concentration. A strong correlation between OOA and Ox (O3 + NO2) concentrations is observed with a slope of 0.15 that suggests the production of fresh SOA in Pasadena. Plotting the OA elemental ratios in a Van Krevelen diagram (H:C vs. O:C) yields a slope of -0.6, which is less steep than that observed in Riverside during the SOAR-2005 campaign. The difference in slopes may be attributed to the highly oxidized HOA present in Pasadena that is

  11. Identifying a Sea Breeze Circulation Pattern Over the Los Angeles Basin Using Airborne In Situ Carbon Dioxide Measurements

    Science.gov (United States)

    Brannan, A. L.; Schill, S.; Trousdell, J.; Heath, N.; Lefer, B. L.; Yang, M. M.; Bertram, T. H.

    2014-12-01

    The Los Angeles Basin in Southern California is an optimal location for a circulation study, due to its location between the Pacific Ocean to the west and the Santa Monica and San Gabriel mountain ranges to the east, as well as its booming metropolitan population. Sea breeze circulation carries air at low altitudes from coastal to inland regions, where the air rises and expands before returning back towards the coast at higher altitudes. As a result, relatively clean air is expected at low altitudes over coastal regions, but following the path of sea breeze circulation should increase the amount of anthropogenic influence. During the 2014 NASA Student Airborne Research Program, a highly modified DC-8 aircraft completed flights from June 23 to 25 in and around the LA Basin, including missed approaches at four local airports—Los Alamitos and Long Beach (coastal), Ontario and Riverside (inland). Because carbon dioxide (CO2) is chemically inert and well-suited as a conserved atmospheric tracer, the NASA Langley Atmospheric Vertical Observations of CO2 in the Earth's Troposphere (AVOCET) instrument was used to make airborne in situ carbon dioxide measurements. Combining measured wind speed and direction data from the aircraft with CO2 data shows that carbon dioxide can be used to trace the sea breeze circulation pattern of the Los Angeles basin.

  12. Integración, turismo y discapacidad: ¿son accesibles los hoteles para las personas con discapacidad física?

    Directory of Open Access Journals (Sweden)

    Raquel Suriá Martínez

    2014-01-01

    Full Text Available En este estudio examinamos los obstaculos que se encuentran las personas con discapacidad física durante su estancia en un hotel. Se examinó la influencia del género y edad. Participaron 41 personas con discapacidad motora pertenencientes a la confederación de discapacitados de la provincia de Alicante. Utilizamos un cuestionario diseñado had hoc para el estudio. Los resultados indicaron que la mayor dificultad que los participantes encuentran en los hoteles son los escalones y el personal. se encontraron diferencias según el género y edad. Ello revela la existencia de obstáculos que impiden la accesibilidad hotelera para las personas con discapacidad. Estas dificultades pueden solucionarse con una adecuada predisposición por parte de los responsables hoteleros.

  13. Walk-through survey report, Ford Motor Company, Los Angeles Assembly Plant, Pico Rivera, California, January 30, 1979

    Energy Technology Data Exchange (ETDEWEB)

    Matanoski, G.; Whitman, N.

    1979-07-01

    Worker exposures to painting materials were studied at the Ford Motor Company, Los Angeles Assembly Facility in Pico Rivera, California on January 30, 1979. The company was under consideration for inclusion in a NIOSH study of health hazards in the painting trade. Approximately 99 of the employees at the facility were assigned to the painting operations that were surveyed. The company had a safety and industrial hygiene program. Medical services were furnished by one full-time physician and three nurses. Various types of paint primers, solvents, and enamel paints were used during painting operations. The authors recommend that the facility be considered for the painting-hazards study.

  14. Developing an industrial end-use forecast: A case study at the Los Angeles department of water and power

    Energy Technology Data Exchange (ETDEWEB)

    Mureau, T.H.; Francis, D.M. [Los Angeles Department of Water and Power, CA (United States)

    1995-05-01

    The Los Angeles Department of Water and Power (LADWP) uses INFORM 1.0 to forecast industrial sector energy. INFORM 1.0 provides an end-use framework that can be used to forecast electricity, natural gas or other fuels consumption. Included with INFORM 1.0 is a default date set including the input data and equations necessary to solve each model. LADWP has substituted service area specific data for the default data wherever possible. This paper briefly describes the steps LADWP follows in developing those inputs and application in INFORM 1.0.

  15. Avaliação eletroforética, cromatográfica e molecular da Hb D Los Angeles no Brasil

    Directory of Open Access Journals (Sweden)

    Chinelato-Fernandes Ana R.

    2003-01-01

    Full Text Available A variante de hemoglobina (Hb D mais comum, Hb D Los Angeles ou D Punjab, é originada de uma transversão GAA->CAA no códon 121 da globina beta; essa mutação resulta na substituição do ácido glutâmico por glutamina na proteína. É a terceira variante de hemoglobina mais freqüente da população brasileira. Como as hemoglobinas D apresentam migração similar à hemoglobina S em pH alcalino, e com a hemoglobina A em pH ácido, são necessários vários testes para o correto diagnóstico. No presente estudo objetivou-se relacionar os diferentes procedimentos laboratoriais de rotina diagnóstica, além da análise molecular, para estabelecer o perfil de Hb D Los Angeles no Brasil. Foram analisados 47 indivíduos da população brasileira com provável Hb D Los Angeles, por vários procedimentos eletroforéticos em diferentes condições de pH, além da cromatografia líquida de alta pressão, e testes moleculares para confirmação da mutação. Foram encontrados quatro tipos de combinações de hemoglobinas: 42 indivíduos portadores de hemoglobina AD Los Angeles, dois indivíduos com doença de Hb S/D Los Angeles, dois indivíduos com Hb D Los Angeles e talassemia beta e um indivíduo com Hb D Los Angeles e Hb Lepore. Os indivíduos heterozigotos para D Los Angeles são assintomáticos, entretanto, em associação com outras variantes e talassemias podem apresentar graus variáveis de manifestações clínicas. Os resultados apresentados enfatizaram a necessidade da associação de várias metodologias para a identificação da Hb D Los Angeles, além de auxiliar na elucidação de combinações raras.

  16. Evaluación de los sitios web de los hoteles e implicaciones para la gestión del marketing Hotelero

    OpenAIRE

    2006-01-01

    En toda la historia del Marketing, no ha habido ninguna revolución tan impactante como la de Internet. Se comercializan en la Web productos cuya compra es basada en informaciones(productos fácilmente estandardizados), cuya distribución puede ser hecha por la Web, los que se puede añadir valor en relación a otras medias y, claro, aquellos productos cuyos clientes potenciales tienen acceso a la Internet; o sea, características típicas de la industria turística.Hoteles que hacia mucho tiempo com...

  17. Years off your life? The effects of homicide on life expectancy by neighborhood and race/ethnicity in Los Angeles county.

    Science.gov (United States)

    Redelings, Matthew; Lieb, Loren; Sorvillo, Frank

    2010-07-01

    Homicide is one of the leading causes of death in Los Angeles County and is known to be elevated in low-income urban neighborhoods and in black males. However, because homicide occurs primarily among young adults, mortality rate statistics may underrepresent its importance. We estimated the impact of homicide on life expectancy by demographic group and geographic area in Los Angeles County, 2001-2006. Life expectancy estimates were calculated using mortality records and population estimates for Los Angeles County. Cause elimination techniques were used to estimate the impact of homicide on life expectancy. Homicide was estimated to reduce life expectancy by 0.4 years for Los Angeles County residents and by 2.1 years for black males. The impact of homicide on life expectancy was higher in low-income neighborhoods. In some low-income urban neighborhoods, homicide was estimated to decrease life expectancy in black males by nearly 5 years. Homicide causes substantial reductions in life expectancy in Los Angeles County. Its impact is magnified among black males and in low-income urban areas, underscoring the need for homicide reduction in urban centers.

  18. Cutoff value of Japanese Orthopaedic Association shoulder score in patients with rotator cuff repair: Based on the University of California at Los Angeles shoulder score.

    Science.gov (United States)

    Imai, Takaki; Gotoh, Masafumi; Tokunaga, Tsuyoshi; Kawakami, Jyunichi; Mitsui, Yasuhiro; Fukuda, Keiji; Ogino, Misa; Okawa, Takahiro; Shiba, Naoto

    2017-05-01

    The Japanese Orthopaedic Association shoulder score cutoff values were calculated in patients with rotator cuff repair using the University of California at Los Angeles shoulder score. Overall, 175 patients with rotator cuff repair were subjects in this study. The University of California at Los Angeles and Japanese Orthopaedic Association shoulder scores were evaluated before surgery and at 3, 6, 9, and 12 months after surgery. The cutoff value of the Japanese Orthopaedic Association shoulder score was determined using the 4-stage criteria of the University of California at Los Angeles shoulder score and a University of California at Los Angeles shoulder score of 28 points, which is the boundary between an excellent/good group and a fair/poor group. Both the JOA shoulder and UCLA shoulder scores showed significant improvement at 6, 9, and 12 months from the preoperative scores (p values of the two scores (r = 0.85, p value of the Japanese Orthopaedic Association shoulder score based on the highest accuracy from receiver operating characteristic curve analysis was 83 points. A Japanese Orthopaedic Association shoulder score cutoff value of 83 was equivalent to a University of California at Los Angeles shoulder score cutoff value of 28 for distinguishing between excellent/good and fair/poor outcomes after rotator cuff repair. Copyright © 2016 The Japanese Orthopaedic Association. Published by Elsevier B.V. All rights reserved.

  19. Les compromis compensatoires autour des plates-formes aéroportuaires : une comparaison Paris – Berlin – Los Angeles Comparing benefits packages around three airports: Paris – Berlin – Los Angeles

    Directory of Open Access Journals (Sweden)

    Julie Gobert

    2012-12-01

    Full Text Available La comparaison des processus de concertation/négociation en rapport avec trois aéroports internationaux (Paris Charles de Gaulle, Berlin Schönefeld, Los Angeles International, permet d’appréhender comment un ensemble de transactions s’effectue avec les communes périphériques, ainsi qu’avec différents acteurs de la société civile. Ces compromis compensatoires locaux, qui excèdent les indemnisations ou réparations usuellement octroyées aux riverains (insonorisation, posent toutefois la question de leur opérabilité à d’autres échelles, dans la mesure où, bien qu’ils instituent une certaine forme de “justice située”, ils n’incluent pas les acteurs se situant et oeuvrant à d’autres niveaux territoriaux.The comparison of participation processes in three international airports (Paris Charles de Gaulle, Berlin Schönefeld, Los Angeles International offers the opportunity to understand how social and environmental transactions can intervene between host communities, developers and civil society. These benefits packages overcome the traditional way of repairing nuisance (indemnities, soundproofing. Yet their efficiency at different scales is questioned, as they implement a certain form of spatial justice but without including actors not directly located at the proximity of the impacting infrastructure.

  20. Status of groundwater quality in the Coastal Los Angeles Basin, 2006-California GAMA Priority Basin Project

    Science.gov (United States)

    Goldrath, Dara; Fram, Miranda S.; Land, Michael; Belitz, Kenneth

    2012-01-01

    Groundwater quality in the approximately 860-square-mile (2,227-square-kilometer) Coastal Los Angeles Basin study unit (CLAB) was investigated as part of the Priority Basin Project of the Groundwater Ambient Monitoring and Assessment (GAMA) Program. The study area is located in southern California in Los Angeles and Orange Counties. The GAMA Priority Basin Project is being conducted by the California State Water Resources Control Board in collaboration with the U.S. Geological Survey (USGS) and the Lawrence Livermore National Laboratory. The GAMA CLAB study was designed to provide a spatially unbiased assessment of the quality of untreated (raw) groundwater in the primary aquifer system. The assessment is based on water-quality and ancillary data collected in 2006 by the USGS from 69 wells and on water-quality data from the California Department of Public Health (CDPH) database. The primary aquifer system was defined by the depth interval of the wells listed in the CDPH database for the CLAB study unit. The quality of groundwater in the primary aquifer system may be different from that in the shallower or deeper water-bearing zones; shallow groundwater may be more vulnerable to surficial contamination. This study assesses the status of the current quality of the groundwater resource by using data from samples analyzed for volatile organic compounds (VOCs), pesticides, and naturally occurring inorganic constituents, such as major ions and trace elements. This status assessment is intended to characterize the quality of groundwater resources in the primary aquifer system of the CLAB study unit, not the treated drinking water delivered to consumers by water purveyors. Relative-concentrations (sample concentration divided by the health- or aesthetic-based benchmark concentration) were used for evaluating groundwater quality for those constituents that have Federal and (or) California regulatory or non-regulatory benchmarks for drinking-water quality. A relative

  1. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    In November 2005, Minzu Hotel established its own magazine, The Landscape of Business, after its full renovation. The establishment of the magazine indicated that as a first class business hotel, Minzu Hotel is seeking not only perfection in hardware but also excellence in software and business culture. Minzu Hotel has upheld the tradition of being an upscale business hotel since its inception,

  2. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Jing Guang New World Hotel To Be Re-branded As New World Hotel Beijing Managed by New World Hotel Management Ltd.,Jing Guang New World Hotel will be re-branded to New World Hotel Beijing this summer.To reinforce the corporate promotional campaign of"A New

  3. The PST Project, Willie Herron's Street Mural Asco East of No West (2011 and the Mural Remix Tour: Power Relations on the Los Angeles Art Scene

    Directory of Open Access Journals (Sweden)

    Eva Zetterman

    2014-06-01

    Full Text Available This article departs from the huge art-curating project Pacific Standard Time: Art in L.A., 1945-1980, a Getty funded initiative running in Southern California from October 2011 to April 2012 with a collaboration of more than sixty cultural institutions coming together to celebrate the birth of the L.A. art scene. One of the Pacific Standard Time (PST exhibitions was Asco: Elite of the Obscure, A Retrospective, 1972-1987, running from September to December 2011 at the Los Angeles County Museum of Art (LACMA. This was the first retrospective of a conceptual performance group of Chicanos from East Los Angeles, who from the early 1970s to the mid 1980s acted out critical interventions in the politically contested urban space of Los Angles. In conjunction with the Asco retrospective at LACMA, the Getty Foundation co-sponsored a new street mural by the Chicano artist Willie Herron, paying homage to his years in the performance group Asco. The PST exhibition program also included so-called Mural Remix Tours, taking fine art audiences from LACMA to Herron's place-specific new mural in City Terrace in East Los Angeles. This article analyze the inclusion in the PST project of Herron's site-specific mural in City Terrace and the Mural Remix Tours to East Los Angeles with regard to the power relations of fine art and critical subculture, center and periphery, the mainstream and the marginal. As a physical monument dependent on a heavy sense of the past, Herron's new mural, titled Asco: East of No West, transforms the physical and social environment of City Terrace, changing its public space into an official place of memory. At the same time, as an art historical monument officially added to the civic map of Los Angeles, the mural becomes a permanent reminder of the segregation patterns that still exist in the urban space of Los Angeles.

  4. Understanding Perceived Benefit of Early Cancer Detection: Community-Partnered Research with African American Women in South Los Angeles.

    Science.gov (United States)

    Bazargan, Mohsen; Lucas-Wright, Anna; Jones, Loretta; Vargas, Roberto; Vadgama, Jaydutt V; Evers-Manly, Shirley; Maxwell, Annette E

    2015-09-01

    African American women have lower 5-year cancer survival rates than non-Latino White women. Differences in perceived benefits of early cancer detection among racial/ethnic groups may affect cancer-screening behaviors. This study assessed correlates of perceived benefits of early breast, cervical and colorectal cancer detection among 513 African American women. Using a community-partnered participatory research approach, we conducted a survey on cancer screening, risk behaviors, and related knowledge and attitudes among African American parishioners at 11 churches in South Los Angeles, a neighborhood that experiences one of the highest cancer mortality rates in California. African American women who participated in this study were more likely to believe that chances for survival are very good or good after early detection of breast cancer (74%) than after early detection of colorectal (51%) and cervical cancer (52%). Multivariate analyses show that perceived benefit of early cancer detection is associated with higher cancer knowledge and having discussed one's cancer risk with a doctor. Given that 5-year survival rates for early stage breast, cervical, and colorectal cancer range from 84% to 93%, our data suggest that a substantial proportion of African American women in South Los Angeles are not aware of the benefits of early detection, particularly of colorectal and cervical cancers. Programs that increase cancer knowledge and encourage a discussion of individual's cancer risk with a doctor may be able to increase perceived benefit of early detection, a construct that has been shown to be associated with cancer screening in some studies.

  5. Advocacy Coalition for Safer Sex in the Adult Film Industry: The Case of Los Angeles County's Measure B.

    Science.gov (United States)

    Cohen, Adam Carl; Tavrow, Paula; McGrath, Mark Roy

    2017-06-01

    Performers in the adult film industry are routinely exposed to bloodborne pathogens. In 2012, public health advocates in Los Angeles County convinced voters to pass a ballot initiative-Measure B-to mandate condom use on adult film sets. This article presents a case study of the advocacy coalition's strategies used to achieve greater workplace safety using the advocacy coalition framework. The authors were given access to all memoranda, market research, and campaign tools used to promote Measure B. To reconstruct adult film industry counterefforts, the authors reviewed trade publications, social media, and blog posts. When legislative efforts failed, advocates engaged in a step-by-step strategy built around voters to achieve passage of a ballot initiative mandating condom use for all adult films produced in Los Angeles County. Although the industry immediately filed a lawsuit after passage of Measure B, its constitutionality has been upheld. Measure B passed because public health advocates were able to assemble scientific evidence, build public support, counter false claims, and maintain consistent messages throughout the campaign. The adult film industry lacked social capital, cohesion, and nimbleness. To bolster regulatory efforts, appealing to voters to favor safe workplaces may be an effective advocacy strategy for other industries.

  6. Estimating spatially and temporally varying recharge and runoff from precipitation and urban irrigation in the Los Angeles Basin, California

    Science.gov (United States)

    Hevesi, Joseph A.; Johnson, Tyler D.

    2016-10-17

    A daily precipitation-runoff model, referred to as the Los Angeles Basin watershed model (LABWM), was used to estimate recharge and runoff for a 5,047 square kilometer study area that included the greater Los Angeles area and all surface-water drainages potentially contributing recharge to a 1,450 square kilometer groundwater-study area underlying the greater Los Angeles area, referred to as the Los Angeles groundwater-study area. The recharge estimates for the Los Angeles groundwater-study area included spatially distributed recharge in response to the infiltration of precipitation, runoff, and urban irrigation, as well as mountain-front recharge from surface-water drainages bordering the groundwater-study area. The recharge and runoff estimates incorporated a new method for estimating urban irrigation, consisting of residential and commercial landscape watering, based on land use and the percentage of pervious land area.The LABWM used a 201.17-meter gridded discretization of the study area to represent spatially distributed climate and watershed characteristics affecting the surface and shallow sub-surface hydrology for the Los Angeles groundwater study area. Climate data from a local network of 201 monitoring sites and published maps of 30-year-average monthly precipitation and maximum and minimum air temperature were used to develop the climate inputs for the LABWM. Published maps of land use, land cover, soils, vegetation, and surficial geology were used to represent the physical characteristics of the LABWM area. The LABWM was calibrated to available streamflow records at six streamflow-gaging stations.Model results for a 100-year target-simulation period, from water years 1915 through 2014, were used to quantify and evaluate the spatial and temporal variability of water-budget components, including evapotranspiration (ET), recharge, and runoff. The largest outflow of water from the LABWM was ET; the 100-year average ET rate of 362 millimeters per year (mm

  7. Estimating spatially and temporally varying recharge and runoff from precipitation and urban irrigation in the Los Angeles Basin, California

    Science.gov (United States)

    Hevesi, Joseph A.; Johnson, Tyler D.

    2016-10-17

    A daily precipitation-runoff model, referred to as the Los Angeles Basin watershed model (LABWM), was used to estimate recharge and runoff for a 5,047 square kilometer study area that included the greater Los Angeles area and all surface-water drainages potentially contributing recharge to a 1,450 square kilometer groundwater-study area underlying the greater Los Angeles area, referred to as the Los Angeles groundwater-study area. The recharge estimates for the Los Angeles groundwater-study area included spatially distributed recharge in response to the infiltration of precipitation, runoff, and urban irrigation, as well as mountain-front recharge from surface-water drainages bordering the groundwater-study area. The recharge and runoff estimates incorporated a new method for estimating urban irrigation, consisting of residential and commercial landscape watering, based on land use and the percentage of pervious land area.The LABWM used a 201.17-meter gridded discretization of the study area to represent spatially distributed climate and watershed characteristics affecting the surface and shallow sub-surface hydrology for the Los Angeles groundwater study area. Climate data from a local network of 201 monitoring sites and published maps of 30-year-average monthly precipitation and maximum and minimum air temperature were used to develop the climate inputs for the LABWM. Published maps of land use, land cover, soils, vegetation, and surficial geology were used to represent the physical characteristics of the LABWM area. The LABWM was calibrated to available streamflow records at six streamflow-gaging stations.Model results for a 100-year target-simulation period, from water years 1915 through 2014, were used to quantify and evaluate the spatial and temporal variability of water-budget components, including evapotranspiration (ET), recharge, and runoff. The largest outflow of water from the LABWM was ET; the 100-year average ET rate of 362 millimeters per year (mm

  8. Restaurant owners' perspectives on a voluntary program to recognize restaurants for offering reduced-size portions, Los Angeles County, 2012.

    Science.gov (United States)

    Gase, Lauren; Dunning, Lauren; Kuo, Tony; Simon, Paul; Fielding, Jonathan E

    2014-03-20

    Reducing the portion size of food and beverages served at restaurants has emerged as a strategy for addressing the obesity epidemic; however, barriers and facilitators to achieving this goal are not well characterized. In fall 2012, the Los Angeles County Department of Public Health conducted semistructured interviews with restaurant owners to better understand contextual factors that may impede or facilitate participation in a voluntary program to recognize restaurants for offering reduced-size portions. Interviews were completed with 18 restaurant owners (representing nearly 350 restaurants). Analyses of qualitative data revealed 6 themes related to portion size: 1) perceived customer demand is central to menu planning; 2) multiple portion sizes are already being offered for at least some food items; 3) numerous logistical barriers exist for offering reduced-size portions; 4) restaurant owners have concerns about potential revenue losses from offering reduced-size portions; 5) healthful eating is the responsibility of the customer; and 6) a few owners want to be socially responsible industry leaders. A program to recognize restaurants for offering reduced-size portions may be a feasible approach in Los Angeles County. These findings may have applications for jurisdictions interested in engaging restaurants as partners in reducing the obesity epidemic.

  9. Restaurant Owners’ Perspectives on a Voluntary Program to Recognize Restaurants for Offering Reduced-Size Portions, Los Angeles County, 2012

    Science.gov (United States)

    Dunning, Lauren; Kuo, Tony; Simon, Paul; Fielding, Jonathan E.

    2014-01-01

    Introduction Reducing the portion size of food and beverages served at restaurants has emerged as a strategy for addressing the obesity epidemic; however, barriers and facilitators to achieving this goal are not well characterized. Methods In fall 2012, the Los Angeles County Department of Public Health conducted semistructured interviews with restaurant owners to better understand contextual factors that may impede or facilitate participation in a voluntary program to recognize restaurants for offering reduced-size portions. Results Interviews were completed with 18 restaurant owners (representing nearly 350 restaurants). Analyses of qualitative data revealed 6 themes related to portion size: 1) perceived customer demand is central to menu planning; 2) multiple portion sizes are already being offered for at least some food items; 3) numerous logistical barriers exist for offering reduced-size portions; 4) restaurant owners have concerns about potential revenue losses from offering reduced-size portions; 5) healthful eating is the responsibility of the customer; and 6) a few owners want to be socially responsible industry leaders. Conclusion A program to recognize restaurants for offering reduced-size portions may be a feasible approach in Los Angeles County. These findings may have applications for jurisdictions interested in engaging restaurants as partners in reducing the obesity epidemic. PMID:24650622

  10. Estimating trends of urban residential irrigation extent and rate using satellite imagery in the city of Los Angeles, CA

    Science.gov (United States)

    Chen, Y. J.; McFadden, J. P.; Clarke, K. C.; Roberts, D. A.

    2015-12-01

    Urban residential irrigation is a large component of urban water budgets in Mediterranean climate cities, and plays a significant role for managing landscape vegetation and water resources. This is particularly occurring at cities such as Los Angeles, where water availability is limited during dry summers. This study applied 10-m SPOT 5 satellite imagery and a database of monthly water use records for residential water customers in Los Angeles in order to examine the interactions between vegetation water demand and residential water consumption. Here, we identify the spatial distribution of vegetation greenness and the extent of irrigation rates through water year 2005-2007, including normal, dry, and wet extremes of annual rainfall. Additionally, the water conservation ratio, which is between rates of irrigation and vegetation water demand, is used to assess over-irrigation. Although residential outdoor water usage was found as highest in the dry year, landscape vegetation under water stress that cannot maintain greenness condition as well as in wetter years. However, the decreasing trend of over-irrigation occurred from wet to drier years, since vegetation water demand increased significantly but irrigation rates changed little, implying over-irrigation in urbanized areas. This over watering issue can be implemented by water resource management, and urban planning, especially in current severe California drought.

  11. The Los Angeles County Community Disaster Resilience Project - a community-level, public health initiative to build community disaster resilience.

    Science.gov (United States)

    Eisenman, David; Chandra, Anita; Fogleman, Stella; Magana, Aizita; Hendricks, Astrid; Wells, Ken; Williams, Malcolm; Tang, Jennifer; Plough, Alonzo

    2014-08-19

    Public health officials need evidence-based methods for improving community disaster resilience and strategies for measuring results. This methods paper describes how one public health department is addressing this problem. This paper provides a detailed description of the theoretical rationale, intervention design and novel evaluation of the Los Angeles County Community Disaster Resilience Project (LACCDR), a public health program for increasing community disaster resilience. The LACCDR Project utilizes a pretest-posttest method with control group design. Sixteen communities in Los Angeles County were selected and randomly assigned to the experimental community resilience group or the comparison group. Community coalitions in the experimental group receive training from a public health nurse trained in community resilience in a toolkit developed for the project. The toolkit is grounded in theory and uses multiple components to address education, community engagement, community and individual self-sufficiency, and partnerships among community organizations and governmental agencies. The comparison communities receive training in traditional disaster preparedness topics of disaster supplies and emergency communication plans. Outcome indicators include longitudinal changes in inter-organizational linkages among community organizations, community member responses in table-top exercises, and changes in household level community resilience behaviors and attitudes. The LACCDR Project is a significant opportunity and effort to operationalize and meaningfully measure factors and strategies to increase community resilience. This paper is intended to provide public health and academic researchers with new tools to conduct their community resilience programs and evaluation research. Results are not yet available and will be presented in future reports.

  12. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Beijing Marriott Hotel Northeast Beijing Marriott Hotel Northeast, operated by Marriott International under a management contract with HNA Hotels & Resorts Group Co. Ltd., celebrated its grand opening on March 31.

  13. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    Red Wall Garden Hotel Red Wall Garden Hotel,which opened on July 8,is a new style boutique hotel that mixes the elegant environment of courtyard dwellings with the comfortable living experience of the West.

  14. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Radisson Plaza Xing Guo Hotel Shanghai Ideally located in seven hectares of his- toric gardens in the heart of the consular dis- trict, Radisson Plaza Xing Guo Hotel is con- sidered 'a boutique garden style hotel in downtown Shanghai.'

  15. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Launch of Grand Millennium Hotel Millennium and Copthorne Hotels pic (M&C) lias added a feather to its cap and is proud to welcome its latest addition to the group with Grand Millennium Beijing, an upscale international hotel.

  16. Integrating Sodium Reduction Strategies in the Procurement Process and Contracting of Food Venues in the County of Los Angeles Government, 2010–2012

    Science.gov (United States)

    Cummings, Patricia L.; Kuo, Tony; Gase, Lauren N.; Mugavero, Kristy

    2015-01-01

    Since sodium is ubiquitous in the food supply, recent approaches to sodium reduction have focused on increasing the availability of lower-sodium products through system-level and environmental changes. This article reviews integrated efforts by the Los Angeles County Sodium Reduction Initiative to implement these strategies at food venues in the County of Los Angeles government. The review used mixed methods, including a scan of the literature, key informant interviews, and lessons learned during 2010–2012 to assess program progress. Leveraging technical expertise and shared resources, the initiative strategically incorporated sodium reduction strategies into the overall work plan of a multipartnership food procurement program in Los Angeles County. To date, 3 County departments have incorporated new or updated nutrition requirements that included sodium limits and other strategies. The strategic coupling of sodium reduction to food procurement and general health promotion allowed for simultaneous advancement and acceleration of the County’s sodium reduction agenda. PMID:24322811

  17. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Minzu Hotel Beijing Minzu Hotel Beijing is a four-star hotel with an international standard.Minzu Hotel was built in 1959 on the Changan Avenue in Beijing.The loca- tion makes it a big attraction to commercial travelers and tourists.40 years later,the elegant ambience still sets Minzu apart from other newer hotel buildings in Beijing.Now the hotel has been upgraded ahead of the Beijing Olympic Games in 2008.

  18. MAX-DOAS measurements of aerosol, HCHO, and NO2 over Los Angeles from an elevated mountaintop site

    Science.gov (United States)

    Cheung, Ross

    MAX-DOAS measurements of aerosol, HCHO, and NO2 over Los Angeles from an elevated mountaintop site. By. Ross Cheung. Doctor of Philosophy in Atmospheric and Oceanic Sciences. University of California, Los Angeles, 2016. Professor Jochen Stutz, Chair. Differential Optical Absorption Spectroscopy (DOAS) has become a popular technique for measuring atmospheric trace gases using UV/Vis narrow-band absorption features along a light path through the atmosphere. The UCLA Multi-Axis DOAS instrument (MAX-DOAS) is a ground-based spectrometer currently located at Mt. Wilson, California (1700 meters above sea level) that measures solar scattered light at various viewing elevation angles. Since May of 2010, it has been taking regular measurements of atmospheric pollutants in the boundary layer of the atmosphere in and above the Los Angeles Basin. This thesis presents the experimental setup and spectral retrievals, as well as results of our observations of measurements of NO2 and HCHO from Mt. Wilson. Radiative transfer modeling efforts of the deployment at Mt. Wilson will be presented, as well as our efforts to model and account for the effects of clouds and aerosols on MAX-DOAS measurements. Because of the unique challenges presented by aerosols in the ultraviolet and visible light region in a polluted urban boundary layer, new techniques were developed to account for and quantify these effects. Observations of path-integrated NO2 and HCHO, some of the primary precursors to ozone formation in the lower troposphere, as well as aerosol extinctions using the UCLA MAX-DOAS will be presented, and the advantages of a mountaintop measurement strategy will be discussed in light of the amount of vertical information that can be retrieved from this approach. The techniques developed to improve the optimal estimation of vertical aerosol extinction profiles and trace gas concentration profiles will be discussed. Finally, an application of these observations uses the ratio of HCHO/NO2 to

  19. Southern California Earthquake Center - SCEC1: Final Report Summary Alternative Earthquake Source Characterization for the Los Angeles Region

    Energy Technology Data Exchange (ETDEWEB)

    Foxall, B

    2003-02-26

    The objective my research has been to synthesize current understanding of the tectonics and faults of the Los Angeles Basin and surrounding region to quantify uncertainty in the characterization of earthquake sources used for geologically- and geodetically-based regional earthquake likelihood models. This work has focused on capturing epistemic uncertainty; i.e. uncertainty stemming from ignorance of the true characteristics of the active faults in the region and of the tectonic forces that drive them. In the present context, epistemic uncertainty has two components: First, the uncertainty in source geometrical and occurrence rate parameters deduced from the limited geological, geophysical and geodetic observations available; and second. uncertainties that result from fundamentally different interpretations of regional tectonic deformation and faulting. Characterization of the large number of active and potentially active faults that need to be included in estimating earthquake occurrence likelihoods for the Los Angeles region requires synthesis and evaluation of large amounts of data and numerous interpretations. This was accomplished primarily through a series of carefully facilitated workshops, smaller meetings involving key researchers, and email groups. The workshops and meetings were made possible by the unique logistical and financial resources available through SCEC, and proved to be extremely effective forums for the exchange and critical debate of data and interpretations that are essential in constructing fully representative source models. The main products from this work are a complete source model that characterizes all know or potentially active faults in the greater Los Angeles region. which includes the continental borderland as far south as San Diego, the Ventura Basin, and the Santa Barbara Channel. The model constitutes a series of maps and representative cross-sections that define alternative fault geometries, a table containing rault

  20. Measurements of the impact of atmospheric aging on physical and optical properties of ambient black carbon particles in Los Angeles

    Science.gov (United States)

    Krasowsky, Trevor S.; McMeeking, Gavin R.; Wang, Dongbin; Sioutas, Constantinos; Ban-Weiss, George A.

    2016-10-01

    Understanding how physical and optical properties of atmospheric black carbon (BC) particles vary in time and space is critical for reducing uncertainty in climate forcing estimates from ambient BC. In this study, ambient BC was measured in Rubidoux, California, approximately 90 km (55 miles) downwind of downtown Los Angeles. Collocated NOx and NOy measurements were used to estimate the photochemical age of the sampled air. Sampling was conducted throughout entire days between February 3, 2015 and March 12, 2015 to capture diurnal and daily variations in ambient BC. Both ambient and thermally-denuded air was sampled in 15-min cycles to compare the physical and optical properties of coated versus uncoated BC particles. Physical properties of individual BC particles including mass and coating thickness were measured using a Single-Particle Soot Photometer (SP2), and BC optical properties were measured using a Photoacoustic Extinctiometer (PAX) at 870 nm. The mean BC mass concentration (±standard deviation) for the campaign was 0.12 ± 0.08 μg m-3. BC mass concentrations were higher on weekdays than weekends, though only differences between 11:00 and 17:00 h were statistically distinguishable. The fraction of total BC particles that were thickly-coated (f) was found to be relatively low, with a mean of 0.05 ± 0.02 over the campaign. Values for f peaked in the afternoon when photochemical pollutant concentrations are also generally at a maximum. Further, f at 15:00-16:00 h was found to be statistically higher on weekends than weekdays, potentially due to a higher relative amount of ambient SOA to BC on weekends versus weekdays, which would enhance SOA coating of primary BC particles as they age during transport from the western Los Angeles basin to our sampling site on weekends. Differences at other hours during the photochemically active period of the day (10:00-14:00 h) were not statistically different although the weekend values were systematically higher

  1. Continuity of slip rates over various time scales on the Puente Hills Blind-thrust Fault, Los Angeles, California

    Science.gov (United States)

    Bergen, Kristian J.; Shaw, John H.; Leon, Lorraine A.; Dolan, James F.; Pratt, Thomas L.; Ponti, Daniel J.; Barrera, Wendy; Rhodes, Edward J.; Murari, Madhav K.; Owen, Lewis A.

    2014-05-01

    Our study seeks to assess the history of slip on the Los Angeles segment of the Puente Hills blind-thrust fault system (PHT) from its inception through the Holocene by integrating a suite of geological and geophysical datasets. The PHT presents one of the largest seismic hazards in the United States, given its location beneath downtown Los Angeles. It is also well suited to slip rate studies, as fold scarps formed by slip on the PHT at depth have been continually buried by flood deposits from the Los Angeles and San Gabriel Rivers, preserving a record of uplift in the form of growth stratigraphy. We determined uplift from the growth stratigraphy by measuring the difference in sediment thickness across the folded layers. At our study site above the western segment of the PHT, the fold structure was imaged by industry seismic reflection data and a pair of high-resolution (100 to 700 m depth) seismic reflection profiles acquired by the authors for this study using weight drop and small vibrator sources. The industry and high-resolution profiles were stacked, migrated and depth converted using a velocity model based on the stacking velocities and the Southern California Earthquake Center Community Velocity Model. The shallowest layers of growth stratigraphy were geometrically constrained by lithological correlations across a series of cone penetration tests and continuously cored boreholes. Age control was provided by radiocarbon dating, optically stimulated luminescence (OSL) and infrared stimulated luminescence (IRSL) dating, and sequence-stratigraphic boundaries. Radiocarbon dating was used to constrain individual earthquake event ages in the borehole transect. Using a novel coring procedure, light-protected samples for quartz OSL and feldspar IRSL dating were acquired from a 171-m-deep borehole that we drilled within the growth fold. These samples provided age constraints on growth strata that were tied to prominent seismic reflections and were combined with

  2. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    Hilton Beijing Capital Airport Hotel Hilton Hotels,the brand that invented the airport hotel concept,again sets a new standard with the opening of the first-ever luxury airport hotel in China. The grand opening of the Hilton Beijing

  3. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Gloria Hotels & Resorts The second Miss Gloria Ambassador Competition, organized by Gloria Hotels and Resorts, the rapidly expanding regional hotel group in China, was recently held at Gloria Plaza Hotel Suzhou. The competition has also gained great support from South Pearl Jewelry, Suzhou

  4. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    Embassy of Australia’s Trade Commissioner Visits Argyle Boutique Hotel Jane Wallis, Trade Commissioner of the Australian Embassy in China, attended the opening ceremony of the Argyle Boutique Hotel on the coast of Jinzhou,Liaoning Province. The hotel is the first marine-style boutique hotel in northeast China.

  5. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    The Legendale Hotel Beijing The Legendale Hotel Beijing has of-ficially opened its doors.Set to become an instant sensation, the platinum five-star hotel is the epitome of European elegance and luxury.Occupying a prime position in the heartof town, the 390-room hotel is ideally locat-ed to make the most of both old and new

  6. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Days Hotel & Suites Beijing Days Hotel & Suites Beijing was honored among the "Top 100 Business Hotels/Resorts in China Favored by Business People," organized by International Business Daily. The picture shows Lu Ruining, Deputy General Manager of the hotel, gives a speech at the awards ceremony for this event.

  7. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Minzu Hotel Beijing Minzu Hotel Beijing is a four-star hotel with an international standard.Minzu Hotel was built in 1959 on the Changan Avenue in Beijing.The location makes it a big attraction to commercial travelers and tourists.40 years

  8. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    The Legendale Hotel Beijing Louka Katseli,Greek Economy Minister(left)arrived at the Legendale Hotel Beijing during a visit to the Chinese capital.Evan Pavlakis(right),General Manager of the Legendale Hotel Beijing,warmly welcomed her in the hotel lobby.

  9. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    Traders Hotel,Beijing MichaelLiu was recently appointed as General Manager of Traders Hotel,Beijing.Liu will lead the hotel team in ensuring that guests have a comfortable stay complemented with excellent services.Prior to moving to Traders Hotel

  10. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Beijing Soluxe Courtyard Hotel-Debut in Late June The best choice for experiencing traditional oriental culture and Chines folk custom! Beijing Soluxe Courtyard Hotel (BSCH) is managed by Soluxe Hotel Management Group. Of all the hotels featuring courtyard-house culture in Beijing, BSCH distinguishes itself as the largest and oldest one. Built

  11. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    China World Hotel Michael Liu, Deputy General Manager of China World Hotel graciously accepts a trophy after China World Hotel was honored with the Forbidden City Cup for Best Hotel in Beijing by Beijing Tourism Administration for the fourth consecutive year.

  12. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Tiantan Hotel Wang Ping has been named as assistant general manager of Tiantan Hotel. With a Master's degree, Wang has more than 20 years of experience in hotel management, having served as department manager, assistant general manager and vice general manager in various hospitality establishments. Wang published an article on hotel management and mar-

  13. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    Minzu Hotel As a high-end business hotel, Minzu Hotel makes every effort to offer a casual and convenient business experience for every guest. Starting April 1, 2010, Minzu Hotel began providing free wireless Internet access services for its distinguished guests.

  14. CAUSAS Y CONSECUENCIAS SOCIALES DE LA SATISFACCIÓN DE LOS CLIENTES CON HOTELES

    Directory of Open Access Journals (Sweden)

    Beatriz Moliner Velázquez

    2015-01-01

    Full Text Available Con el objeto de evidenciar la dimensión social del proceso de satisfacción, proponemos un modelo causal donde la satisfacción y el valor son constructos centrales, con dos antecedentes (calidad de servicio y valor social y dos consecuencias en forma de lealtad (boca-oreja electrónico y boca-oreja global. El modelo es contrastado entre 386 huéspedes de hoteles españoles confirmándose el peso que tienen en el proceso lealtad las variables de carácter social: valor social y boca-oreja. Se presentan importantes implicaciones para la gestión y futuros avances para la investigación académica.

  15. El único hotel asociado con summit hotels & resorts en Colombia - Hotel Bogotá Plaza

    Directory of Open Access Journals (Sweden)

    Diana Carolina Rojas

    2008-11-01

    Full Text Available Es importante conocer acerca de la historia del Hotel Bogotá Plaza. Este es el primer hotel del norte de Bogotá. La misión del hotel es permanecer en el corazón de los huéspedes y visitantes, al satisfacer sus deseos con amor, calidez, amabilidad, seguridad y servicio de excelente calidad. Desde 1996 el Bogotá Plaza Hotel ha pertenecido a Summit Hotels & Resorts. Esta es una firma que proporciona al hotel un sistema de reservas por Internet, esta alianza ha generado que el hotel sea reconocido en muchos países del mundo. Summit además se ha establecido como una organización líder en ventas, mercadeo y reservas hoteleras del mundo. Es importante asociarse con compañías destacadas así como lo hizo el Hotel Bogotá Plaza.

  16. Los Espacios interiores de la Vivienda y el diseño de interiores en Hoteles para el turismo.

    Directory of Open Access Journals (Sweden)

    Yunior Vázquez Rodríguez

    2011-01-01

    Full Text Available Desde hace más de dos décadas y como ya se hace costumbre según se ha comprobado en muchos casos, el diseño de interiores por lo general se emplea en las obras para el turismo y en alguna otra de gran interés por su importancia o significación determinada. Esto no quiere decir que las obras de la vivienda no deban de ser diseñadas en sus espacios interiores y mucho menos que sean obras de baja importancia. En muchos de nuestros hoteles de Varadero podemos encontrar elementos de diseño interior que vienen de la arquitectura vernácula, sobre todo de la vivienda de madera y tejas, del pasado siglo (casi extinguida en este polo turístico, así como nuevos elementos de modernidad y nuevos materiales, los cuales pueden ser utilizados en los proyectos de viviendas que hoy se proyectan y se construyen en Cuba. El aspecto económico es uno de los que más elimina esta etapa de diseño dentro de los proyectos, sin embargo, en ocasiones se hacen los proyectos de arquitectura y el diseño de interiores queda solucionado con algún comentario donde se refiere a colores y algunas terminaciones solamente, pero esto no incluye muebles, falsos techos, texturas ni otros elementos decorativos que componen el hábitat de las personas. En el trabajo se describirá el diseño de interiores y las características más importantes de dos ejemplos de instalaciones turísticas seleccionadas. En ellos se podrá observar con claridad nuestra identidad cultural en el interiorismo, el cual nos servirá como apoyo para la realización de proyectos de viviendas.

  17. Urban legacies and soil management affect the concentration and speciation of trace metals in Los Angeles community garden soils.

    Science.gov (United States)

    Clarke, Lorraine Weller; Jenerette, G Darrel; Bain, Daniel J

    2015-02-01

    Heavy metals in urban soils can compromise human health, especially in urban gardens, where gardeners may ingest contaminated dust or crops. To identify patterns of urban garden metal contamination, we measured concentrations and bioavailability of Pb, As, and Cd in soils associated with twelve community gardens in Los Angeles County, CA. This included sequential extractions to partition metals among exchangeable, reducible, organic, or residual fractions. Proximity to road increased all metal concentrations, suggesting vehicle emissions sources. Reducible Pb increased with neighborhood age, suggesting leaded paint as a likely pollutant source. Exchangeable Cd and As both increased with road proximity. Only cultivated soils showed an increase in exchangeable As with road proximity, potentially due to reducing humic acid interactions while Cd bioavailability was mitigated by organic matter. Understanding the geochemical phases and metal bioavailability allows incorporation of contamination patterns into urban planning.

  18. Modeling of Instrument Landing System (ILS) localizer signal on runway 25L at Los Angeles International Airport

    Science.gov (United States)

    Hueschen, Richard M.; Knox, Charles E.

    1994-01-01

    A joint NASA/FAA flight test has been made to record instrument landing system (ILS) localizer receiver signals for use in mathematically modeling the ILS localizer for future simulation studies and airplane flight tracking tasks. The flight test was conducted on a portion of the ILS localizer installed on runway 25L at the Los Angeles International Airport. The tests covered the range from 10 to 32 n.mi. from the localizer antenna. Precision radar tracking information was compared with the recorded localizer deviation data. Data analysis showed that the ILS signal centerline was offset to the left of runway centerline by 0.071 degrees and that no significant bends existed on the localizer beam. Suggested simulation models for the ILS localizer are formed from a statistical analysis.

  19. Application of earth resources technology satellite data to urban and regional planning: Test site, County of Los Angeles

    Science.gov (United States)

    Raje, S.; Mcknight, J.; Willoughby, G.; Economy, R. (Principal Investigator)

    1974-01-01

    The author has identified the following significant results. The County of Los Angeles photointerpreted ERTS film products to define problems of interest, coordinated ground truth over the complex test site including interfaces with secondary users as well as participated in on-line analyses of the GE multispectral information extraction systems. Interactive machine analyses were carried out, developing techniques and procedures as well as evaluating the outputs for community and regional planning. Extensive aircraft underflight coverage was provided that was valuable both in inputs preparation and outputs evaluation of the machine-aided analyses. One of the nonstandard ERTS images led to the discovery of a major new fault lineament on the northern slope of the Santa Monica Mountains.

  20. Ground-Water Quality Data in the Coastal Los Angeles Basin Study Unit, 2006: Results from the California GAMA Program

    Science.gov (United States)

    Mathany, Timothy M.; Land, Michael; Belitz, Kenneth

    2008-01-01

    Ground-water quality in the approximately 860 square-mile Coastal Los Angeles Basin study unit (CLAB) was investigated from June to November of 2006 as part of the Statewide Basin Assessment Project of the Ground-Water Ambient Monitoring and Assessment (GAMA) Program. The GAMA Statewide Basin Assessment was developed in response to the Ground-Water Quality Monitoring Act of 2001, and is being conducted by the U.S. Geological Survey (USGS) in cooperation with the California State Water Resources Control Board (SWRCB). The Coastal Los Angeles Basin study was designed to provide a spatially unbiased assessment of raw ground-water quality within CLAB, as well as a statistically consistent basis for comparing water quality throughout California. Samples were collected from 69 wells in Los Angeles and Orange Counties. Fifty-five of the wells were selected using a spatially distributed, randomized grid-based method to provide statistical representation of the study area (?grid wells?). Fourteen additional wells were selected to evaluate changes in ground-water chemistry or to gain a greater understanding of the ground-water quality within a specific portion of the Coastal Los Angeles Basin study unit ('understanding wells'). Ground-water samples were analyzed for: a large number of synthetic organic constituents [volatile organic compounds (VOCs), gasoline oxygenates and their degradates, pesticides, polar pesticides, and pesticide degradates, pharmaceutical compounds, and potential wastewater-indicators]; constituents of special interest [perchlorate, N-nitrosodimethylamine (NDMA), 1,4-dioxane, and 1,2,3-trichloropropane (1,2,3-TCP)]; inorganic constituents that can occur naturally [nutrients, major and minor ions, and trace elements]; radioactive constituents [gross-alpha and gross-beta radiation, radium isotopes, and radon-222]; and microbial indicators. Naturally occurring isotopes [stable isotopic ratios of hydrogen and oxygen, and activities of tritium and carbon-14

  1. Challenges and opportunities in detecting Taenia solium tapeworm carriers in Los Angeles County California, 2009-2014.

    Science.gov (United States)

    Croker, Curtis

    2015-12-01

    Carriers of the pork tapeworm, Taenia solium, are the sole source of neurocysticercosis, a parasitic tissue infection that can be chronic and severe. Identifying T. solium tapeworm carriers is challenging. Many are asymptomatic and go undetected and unreported. In addition, T. solium is difficult to distinguish from other Taenia species of less concern. From 2009 to 2014, 24 taeniasis cases were reported to the Los Angeles County (LAC) Department of Public Health. Twenty reports were received solely from our automated electronic laboratory reporting system (ELR), two from health care providers, and two were generated internally from investigation of households with a reported neurocysticercosis case. Further investigation identified one T. solium carrier originally reported by ELR and one identified from a neurocysticercosis case investigation. These results suggest that T. solium tapeworm carriers can be identified from investigation of ELR reports of unspeciated Taenia cases as well as from households of neurocysticercosis cases.

  2. Engaging homeless youth in community-based participatory research: a case study from Skid Row, Los Angeles.

    Science.gov (United States)

    Garcia, Analilia P; Minkler, Meredith; Cardenas, Zelenne; Grills, Cheryl; Porter, Charles

    2014-01-01

    Growing evidence highlights the benefits to youth of involvement in community-based participatory research. Less attention has been paid, however, to the contributions youth can make to helping change health-promoting policy through such work. We describe a multi-method case study of a policy-focused community-based participatory research project in the Skid Row area of downtown Los Angeles, California, where a small group of homeless youth worked with adult mentors to develop and conduct a survey of 96 homeless youth and used the findings to help secure health-promoting policy change. We review the partnership's work at each stage of the policy-making process; its successes in changing policy regarding recreation, juvenile justice, and education; and the challenges encountered, especially with policy enforcement. We share lessons learned, including the importance of strong adult mentors and of policy environments conducive to sustainable, health-promoting change for marginalized youth.

  3. Menu labeling perception and health behaviors among immigrant and US born minority populations: assessment in two Los Angeles public markets.

    Science.gov (United States)

    Vargas-Bustamante, Arturo

    2013-01-01

    To analyze menu labeling perception and food choices/health behaviors in two Los Angeles public markets. Labels with food caloric content were displayed in the food court of one of these markets. Bivarate means analyses compared the surveyed population by market and by nativity status. The main predictors of menu-labeling influence were identified in the sample from the market that displayed labels. A separate analysis investigated food choices/health behaviors among immigrant cohorts by time of US residence. Reading labels when shopping was one of the main predictors associated with menu labeling influence. Longer-stayed immigrants were more likely to afford "balanced meals", but they were also more likely to eat in fast food restaurants and less likely to engage into moderate/intense physical activity. While nativity was not a significant predictor of menu labeling influence on food choices, our findings suggest food choices/behaviors convergence among immigrant and US-born populations.

  4. Comparison of enzootic risk measures for predicting West Nile disease, Los Angeles, California, USA, 2004-2010.

    Science.gov (United States)

    Kwan, Jennifer L; Park, Bborie K; Carpenter, Tim E; Ngo, Van; Civen, Rachel; Reisen, William K

    2012-08-01

    In Los Angeles, California, USA, 2 epidemics of West Nile virus (WNV) disease have occurred since WNV was recognized in 2003. To assess which measure of risk was most predictive of human cases, we compared 3 measures: the California Mosquito-Borne Virus Surveillance and Response Plan Assessment, the vector index, and the Dynamic Continuous-Area Space-Time system. A case-crossover study was performed by using symptom onset dates from 384 persons with WNV infection to determine their relative environmental exposure to high-risk conditions as measured by each method. Receiver-operating characteristic plots determined thresholds for each model, and the area under the curve was used to compare methods. We found that the best risk assessment model for human WNV cases included surveillance data from avian, mosquito, and climate sources.

  5. PERSONAL, INDOOR, AND OUTDOOR CONCENTRATIONS OF PM2.5, PARTICULATE NITRATE, AND ELEMENTAL CARBON FOR INDIVIDUALS WITH COPD IN LOS ANGELES, CA

    Science.gov (United States)

    This study characterizes the personal, indoor, and outdoor concentrations of PM2.5 and the major components of PM2.5, including nitrate (NO3-), elemental carbon (EC), and the elements for individuals with chronic obstructive pulmonary disease (COPD) living in Los Angeles, CA. ...

  6. Showing Off What We Do and How Well We Do It: Or How the Child Development Center Program at Nine Los Angeles Community Colleges Demonstrates Accountability.

    Science.gov (United States)

    Crummer, Karen; And Others

    Based on on-site review team visits conducted during spring 1982, this report evaluates the Educational Campus Child Development Centers (CCDC's) operating at 9 to the 10 campuses in the Los Angeles Community College District (LACCD). After introducing the evaluation project and its participants, the report outlines the educational philosophy of…

  7. Los Angeles Community College District Campus Child Development Centers' Measures of Effectiveness Project. Second Evaluation Report, Fiscal Year 1983-1984.

    Science.gov (United States)

    Carfagna-Hunt, Karen; And Others

    The Los Angeles Community College District (LACCD) provides a Campus Child Development Center (CCDC) educational program for the preschool children of its college students at all nine of its campuses. In 1983-84, on-site, peer review team visits were conducted to evaluate the centers in terms of their achievement of six program objectives. The…

  8. The Lion and the Lady Revisited: Another Look at the Firing of Mary L. Jones as Los Angeles Public Librarian in 1905.

    Science.gov (United States)

    Wiegand, Wayne A.

    1983-01-01

    Recounts events that led to the firing of Mary L. Jones, Director of Los Angeles Public Library (1905) and caught in public crossfire such figures as the mayor, city council, library board of directors, Charles Lummis (Jones's replacement), Susan B. Anthony, Anna Shaw, Herbert Putnam, and Melvil Dewey. (29 references) (EJS)

  9. Partnering to Move Students into College and Community-Oriented Careers: The Administration of Justice Department at East Los Angeles College

    Science.gov (United States)

    Kisker, Carrie B.; Hauser, Patrick

    2007-01-01

    Community colleges' partnerships with other organizations give students opportunities to gain a realistic understanding of what will be expected of them upon graduation, and they help create a seamless path from college to career. This chapter describes how the Administration of Justice (AJ) Department at East Los Angeles College has partnered…

  10. Use of the University of California Los Angeles integrated staging system to predict survival in renal cell carcinoma: an international multicenter study.

    NARCIS (Netherlands)

    Patard, J.J.; Kim, H.L.; Lam, J.; Dorey, F.J.; Pantuck, A.J.; Zisman, A.; Ficarra, V.; Han, K.R.; Cindolo, L.; Taille, A. De La; Tostain, J.; Artibani, W.; Dinney, C.P.; Wood, C.G.; Swanson, D.A.; Abbou, C.C.; Lobel, B.; Mulders, P.F.A.; Chopin, D.K.; Figlin, R.A.; Belldegrun, A.S.

    2004-01-01

    PURPOSE: To evaluate ability of the University of California Los Angeles Integrated Staging System (UISS) to stratify patients with localized and metastatic renal cell carcinoma (RCC) into risk groups in an international multicenter study. PATIENTS AND METHODS: 4,202 patients from eight internationa

  11. Los Angeles Community College District Campus Child Development Centers' Measures of Effectiveness Project. Second Evaluation Report, Fiscal Year 1983-1984.

    Science.gov (United States)

    Carfagna-Hunt, Karen; And Others

    The Los Angeles Community College District (LACCD) provides a Campus Child Development Center (CCDC) educational program for the preschool children of its college students at all nine of its campuses. In 1983-84, on-site, peer review team visits were conducted to evaluate the centers in terms of their achievement of six program objectives. The…

  12. Showing Off What We Do and How Well We Do It: Or How the Child Development Center Program at Nine Los Angeles Community Colleges Demonstrates Accountability.

    Science.gov (United States)

    Crummer, Karen; And Others

    Based on on-site review team visits conducted during spring 1982, this report evaluates the Educational Campus Child Development Centers (CCDC's) operating at 9 to the 10 campuses in the Los Angeles Community College District (LACCD). After introducing the evaluation project and its participants, the report outlines the educational philosophy of…

  13. Evaluating the Broad Educational Impact of an Arts Education Program: The Case of the Music Center of Los Angeles County's Artists-in-Residence Program.

    Science.gov (United States)

    Redfield, Doris L.

    A 1-year study was conducted to: document the effects of the Artists-in-Residence Program of the Music Center of Los Angeles County, Education Division (MCED); inform program planning and revision; and provide a compendium of evaluation strategies for future use. This study was divided into four phases and used a variety of methods: (1)…

  14. Diet and Obesity in Los Angeles County 2007–2012: Is there a measurable effect of the 2008 “Fast-Food Ban”?

    Science.gov (United States)

    Sturm, Roland; Hattori, Aiko

    2015-01-01

    We evaluate the impact of “Los Angeles Fast-Food Ban”, a zoning regulation that restricts opening/remodeling of standalone fast-food restaurants in South Los Angeles since 2008. Food retail permits issued after the ban are more often for small food/convenience stores and less often for larger restaurants not part of a chain in South Los Angeles compared to other areas; there are no significant differences in the share of new fast-food chain outlets, other chain restaurants, or large food markets. About 10% of food outlets are new since the regulation, but there is little evidence that the composition has changed differentially across areas. Data from the California Health Interview Survey show that fast-food consumption and overweight/obesity rates have increased from 2007 to 2011/2012 in all areas. The increase in the combined prevalence of overweight and obesity since the ban has been significantly larger in South Los Angeles than elsewhere. A positive development has been a drop in soft drink consumption since 2007, but that drop is of similar magnitude in all areas. PMID:25779774

  15. Summary of the Script and Program Review of Sesame Street by the Chicano Study Center, University of California in Los Angeles.

    Science.gov (United States)

    Children's Television Workshop, New York, NY.

    The Sesame Street research staff summarizes comments on the fourth season of the program by the Chicano Study Center of the University of California at Los Angeles. Included are reviews of Sesame Street scripts and programs containing Spanish content; sex role observations; examples of modeling behavior; and comments on segments which challenge…

  16. New Schools, Overcrowding Relief, and Achievement Gains in Los Angeles--Strong Returns from a $19.5 Billion Investment. Policy Brief 12-2

    Science.gov (United States)

    Welsh, William; Coghlan, Erin; Fuller, Bruce; Dauter, Luke

    2012-01-01

    Aiming to relieve overcrowded schools operating on multiple tracks, the Los Angeles Unified School District (LAUSD) has invested more than $19 billion to build 130 new facilities over the past decade. District leaders asked researchers at Berkeley to estimate the achievement effects of this massive initiative--benefits that may stem from entering…

  17. Diet and obesity in Los Angeles County 2007-2012: Is there a measurable effect of the 2008 "Fast-Food Ban"?

    Science.gov (United States)

    Sturm, Roland; Hattori, Aiko

    2015-05-01

    We evaluate the impact of the "Los Angeles Fast-Food Ban", a zoning regulation that has restricted opening/remodeling of standalone fast-food restaurants in South Los Angeles since 2008. Food retail permits issued after the ban are more often for small food/convenience stores and less often for larger restaurants not part of a chain in South Los Angeles compared to other areas; there are no significant differences in the share of new fast-food chain outlets, other chain restaurants, or large food markets. About 10% of food outlets are new since the regulation, but there is little evidence that the composition has changed differentially across areas. Data from the California Health Interview Survey show that fast-food consumption and overweight/obesity rates have increased from 2007 to 2011/2012 in all areas. The increase in the combined prevalence of overweight and obesity since the ban has been significantly larger in South Los Angeles than elsewhere. A positive development has been a drop in soft drink consumption since 2007, but that drop is of similar magnitude in all areas.

  18. Hypertension Prevalence, Awareness, Treatment, and Control Among Adults Aged ≥18 Years - Los Angeles County, 1999-2006 and 2007-2014.

    Science.gov (United States)

    Hales, Craig M; Carroll, Margaret D; Simon, Paul A; Kuo, Tony; Ogden, Cynthia L

    2017-08-18

    Hypertension is an important and common risk factor for heart disease and stroke, two of the leading causes of death in adults in the United States. Despite considerable improvement in increasing the awareness, treatment, and control of hypertension, undiagnosed and uncontrolled hypertension remain public health challenges (1). Data from the National Health and Nutrition Examination Survey (NHANES) were used to estimate the prevalence of hypertension, as well as awareness, treatment, and control of hypertension among adults aged ≥18 years in Los Angeles County compared with adults aged ≥18 years in the United States during 1999-2006 and 2007-2014. During 2007-2014, the prevalence of hypertension was 23.1% among adults in Los Angeles County, lower than the prevalence of 29.6% among all U.S. adults. Among adults with hypertension in Los Angeles County, substantial improvements from 1999-2006 to 2007-2014 were found in hypertension awareness (increase from 73.8% to 84.6%), treatment (61.3% to 77.2%), and control (28.5% to 48.3%). Similar improvements were also seen among all U.S. adults. Although the prevalence of hypertension among adults in Los Angeles County meets the Healthy People 2020 (https://www.healthypeople.gov/) goal of ≤26.9%, continued progress is needed to meet the Healthy People 2020 goal of ≥61.2% for control of hypertension.

  19. Using Comprehensive Science-based Disaster Scenarios to Support Seismic Safety Policy: A Case Study in Los Angeles, California

    Science.gov (United States)

    Jones, L.

    2014-12-01

    In 2014, the USGS entered a technical assistance agreement with the City of Los Angeles to apply the results of the 2008 ShakeOut Scenario of a M7.8 earthquake on the southern San Andreas fault to develop a comprehensive plan to increase the seismic resilience of the City. The results of this project are to be submitted to the Mayor of Los Angeles at the Great ShakeOut on October 16, 2014. The ShakeOut scenario detailed how the expected cascade of failures in a big earthquake could lead to significant delays in disaster recovery that could create financial losses that greatly exceed the direct losses in the event. The goal of the seismic resilience plan is to: protect the lives of residents during earthquakes improve the capacity of the City to respond to the earthquake prepare the City to recover quickly after the earthquake so as to protect the economy of the City and all of southern California To accomplish these goals, the project addresses three areas of seismic vulnerability that were identified in the original ShakeOut Scenario: Pre-1980 buildings that present an unacceptable risk to the lives of residents, including "non-ductile reinforced concrete," and "soft-first-story" buildings Water system infrastructure (including impact on firefighting capability) Communications infrastructure The critical science needed to support policy decisions is to understand the probable consequences to the regional long-term economy caused by decisions to undertake (or not) different levels of mitigation. The arguments against mitigation are the immediate financial costs, so a better understanding of the eventual benefit is required. However, the direct savings rarely justify the mitigation costs, so the arguments in favor of mitigation are driven by the potential for cascading failures and the potential to trigger the type of long term reduction in population and economic activity that has occurred in New Orleans since Hurricane Katrina.

  20. Drug resistant HIV: Behaviors and characteristics among Los Angeles men who have sex with men with new HIV diagnosis.

    Science.gov (United States)

    Gorbach, Pamina M; Javanbakht, Marjan; Bornfleth, Lorelei; Bolan, Robert K; Lewis Blum, Martha

    2017-01-01

    Epidemiology of drug resistant HIV has focused on trends and less attention has been given to identification of factors, especially behaviors including substance use, in acquisition of drug-resistant HIV. From 2009 to 2012 The Metromates Study enrolled and followed for one year men who have sex with men (MSM) seeking testing for HIV in a community clinic in Los Angeles assessing those testing positive for acute and recent HIV infection. Behavioral data were collected via Computer-Assisted Self-Interview from 125 classified as newly HIV infected and 91 as chronically infected (newly HIV-diagnosed); specimens were available and viable for resistance testing for 154 of the 216 HIV positives with new diagnoses. In this community clinic we found prevalence of resistance among MSM with new HIV-diagnosis was 19.5% (n = 30/154) with no difference by recency of HIV infection. Sexual partnership characteristics were associated with resistance; those who reported transgendered sex partners had a higher prevalence of resistance as compared to those who did not report transgendered sex partners (40% vs. 17%; p value = 0.04), while those who reported having a main partner had a lower prevalence of drug resistance (12% vs. 24%; p value = 0.07). In multivariable analyses adjusting for HIV recency and antiviral use, reporting a main partner decreased odds [adjusted odds ratio (AOR) 0.34; 95% confidence interval (CI) 0.13-0.87], reporting a transgendered partnered increased odds (AOR = 3.37; 95% CI 0.95-12.43); and being African American increased odds of drug resistance (AOR = 5.63, 95%CI 1.41-22.38). This suggests African American MSM and TG individuals in Los Angeles represent pockets of exceptional risk that will require special approaches to prevention and care to enhance their own health and reduce their likelihood to support transmission of drug resistance in the US.

  1. The impact of the April 1992 civil unrest on the Los Angeles REI WIC program and its participants.

    Science.gov (United States)

    Golden, R E; Baranov, M S

    1994-01-01

    This paper discusses the findings of a study conducted in south central Los Angeles in August 1992 among women in the Special Supplemental Food Program for Women, Infants, and Children. The goals of the study were to determine the current demographics of WIC participants; examine the financial hardship, need for relief services, and extent of hunger resulting from the civil unrest of April 1992; look at the effects of the unrest on different ethnic groups; determine the unmet need for WIC services; and evaluate the State and local WIC responses to the unrest. The 1,189 respondents were approximately 77 percent Latina, 20 percent African American, and 3 percent white. Half or more were recent immigrants, 19 percent were pregnant and parenting adolescents, 74 percent were school dropouts, and 56 percent were single mothers. Only 1 percent had any problems using WIC vouchers after the unrest, although more than half of their grocery stores had closed. Thirty-five percent experienced food deficits in their households, and 33 percent of those who applied for emergency food stamps had trouble getting them. Four percent said their children had gone to bed hungry in the last week, and 9 percent said they, the respondents, had as well. Only 2 percent needed shelter, and 1 percent became homeless, but 6 percent had family members who lost jobs due to the unrest. This study suggests that the chronically substandard conditions under which many families in south central Los Angeles live affect them more profoundly than did the dramatic consequences of the civil unrest.

  2. Not an 'iron pipeline', but many capillaries: regulating passive transactions in Los Angeles' secondary, illegal gun market.

    Science.gov (United States)

    Chesnut, Kelsie Y; Barragan, Melissa; Gravel, Jason; Pifer, Natalie A; Reiter, Keramet; Sherman, Nicole; Tita, George E

    2017-08-01

    California has strict firearm-related laws and is exceptional in its regulation of firearms retailers. Though evidence suggests that these laws can reduce illegal access to guns, high levels of gun violence persist in Los Angeles (LA), California. This research seeks to describe the sources of guns accessed by active offenders in LA, California and reports offenders' motivations for obtaining guns. Los Angeles County Jail (LACJ) system (four facilities). Random sampling from a screened pool of eligible participants was used to conduct qualitative semistructured interviews with 140 incarcerated gun offenders in one of four (LACJ) facilities. Researchers collected data on firearm acquisition, experiences related to gun violence, and other topics, using a validated survey instrument. Grounded theory guided the collection and analysis of data. Respondents reported possession of 77 specific guns (79.2% handguns) collectively. Social networks facilitate access to illegal guns; the majority of interviewees acquired their illegal guns through a social connection (85.7%) versus an outside broker/unregulated retailer (8.5%). Most guns were obtained through illegal purchase (n=51) or gift (n=15). A quarter of gun purchasers report engaging in a passive transaction, or one initiated by another party. Passive gun buyers were motivated by concerns for personal safety and/or economic opportunity. In LA's illegal gun market, where existing social relationships facilitate access to guns across a diffuse network, individuals, influenced by both fear and economic opportunity, have frequent opportunities to illegally possess firearms through passive transactions. Gun policies should better target and minimise these transactions. Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/.

  3. Seasonal and spatial variations of individual organic compounds of coarse particulate matter in the Los Angeles Basin

    Science.gov (United States)

    Cheung, Kalam; Olson, Michael R.; Shelton, Brandon; Schauer, James. J.; Sioutas, Constantinos

    2012-11-01

    To study the organic composition of ambient coarse particulate matter (CPM; 2.5-10 μm), coarse particles were collected one day a week from April 2008 to March 2009 at 10 sampling sites in the Los Angeles Basin. Samples were compiled into summer (June 2008 to September 2008) and winter (November 2008 to February 2009) composites, and were subsequently analyzed for individual organic constituents using gas chromatography-mass spectrometry. n-alkanoic acids and medium molecular weight (MW) n-alkanes (C25 to C35) - the major constituents in the coarse size fraction - showed good associations with crustal materials. Polycyclic aromatic hydrocarbons (PAHs) and hopanes (both in low concentrations), as well as high MW n-alkanes (C37 and C38), were associated with traffic-related emissions. In the summer, when prevailing onshore winds were strong, the downwind/rural sites had higher concentrations of PAHs, n-alkanes and n-alkanoic acids. An opposite trend was observed at the urban sites, where the levels of PAHs, n-alkanes and n-alkanoic acids were higher in the winter, when the low wind speed limited long-range atmospheric transport. In general, the contribution of organic compounds to CPM mass was higher during wintertime, due to a reduction in the fraction of other CPM components (sea salt, secondary ions, etc.) and/or the increase in source strengths of organic compounds. The latter is consistent with the traffic-induced re-suspension of mineral and road dust, as previously observed in this basin. Overall, our results suggest that emissions from natural sources (soil and associated biota) constitute the majority of the organic content in coarse particles, with a more pronounced influence in the semi-rural/rural areas in Riverside/Lancaster compared with urban Los Angeles in the summer.

  4. Strange little flies in the big city: exotic flower-breeding drosophilidae (Diptera in urban Los Angeles.

    Directory of Open Access Journals (Sweden)

    David Grimaldi

    Full Text Available Urban landscapes are commonly considered too mundane and corrupted to be biotically interesting. Recent insect surveys employing 29 Malaise traps throughout Los Angeles, California, however, have uncovered breeding populations of two unexpected species of one of the most studied and familiar groups of organisms, Drosophila "fruit" flies. Unlike most introduced species of drosophilids, which breed in fresh or decaying fruits, these are specialized flower-breeders. A common species in the survey was Drosophila (Drosophila gentica Wheeler and Takada, previously collected only once, in El Salvador. It belongs to the flavopilosa species group, all species of which have been known until now from central Chile, Argentina and Uruguay, to Veracruz, Mexico and the Caribbean, breeding in flowers of Cestrum ("jessamine" and Sessea (Solanaceae. The Los Angeles populations are probably breeding in a native and/or introduced Cestrum; in addition, populations in San Luis Obispo County were visiting ornamental Cestrum. Drosophila gentica occurs as far north as San Francisco, where it was found breeding in Cestrum aurantiacum. D. gentica is redescribed and figured in detail for diagnostic and identification purposes. Specimens from Jamaica previously identified as D. gentica are a distinct species but are not formally described in lieu of complete male specimens. Rare in the Malaise traps was Drosophila (Sophophora flavohirta Malloch, a common species in Australia on the blossoms of native Myrtaceae, found on introduced Eucalyptus in South Africa and both Eucalyptus and Syzygium in Madagascar; adults feed on myrtaceous pollen and nectar, larvae breed in the flowers. It is also redescribed in detail, including its unusual egg. This is the first New World report of this species; DNA sequences confirm it is a morphologically highly aberrant member of the D. melanogaster species group. This study reveals how intensive field sampling can uncover remarkable

  5. Strange little flies in the big city: exotic flower-breeding drosophilidae (Diptera) in urban Los Angeles.

    Science.gov (United States)

    Grimaldi, David; Ginsberg, Paul S; Thayer, Lesley; McEvey, Shane; Hauser, Martin; Turelli, Michael; Brown, Brian

    2015-01-01

    Urban landscapes are commonly considered too mundane and corrupted to be biotically interesting. Recent insect surveys employing 29 Malaise traps throughout Los Angeles, California, however, have uncovered breeding populations of two unexpected species of one of the most studied and familiar groups of organisms, Drosophila "fruit" flies. Unlike most introduced species of drosophilids, which breed in fresh or decaying fruits, these are specialized flower-breeders. A common species in the survey was Drosophila (Drosophila) gentica Wheeler and Takada, previously collected only once, in El Salvador. It belongs to the flavopilosa species group, all species of which have been known until now from central Chile, Argentina and Uruguay, to Veracruz, Mexico and the Caribbean, breeding in flowers of Cestrum ("jessamine") and Sessea (Solanaceae). The Los Angeles populations are probably breeding in a native and/or introduced Cestrum; in addition, populations in San Luis Obispo County were visiting ornamental Cestrum. Drosophila gentica occurs as far north as San Francisco, where it was found breeding in Cestrum aurantiacum. D. gentica is redescribed and figured in detail for diagnostic and identification purposes. Specimens from Jamaica previously identified as D. gentica are a distinct species but are not formally described in lieu of complete male specimens. Rare in the Malaise traps was Drosophila (Sophophora) flavohirta Malloch, a common species in Australia on the blossoms of native Myrtaceae, found on introduced Eucalyptus in South Africa and both Eucalyptus and Syzygium in Madagascar; adults feed on myrtaceous pollen and nectar, larvae breed in the flowers. It is also redescribed in detail, including its unusual egg. This is the first New World report of this species; DNA sequences confirm it is a morphologically highly aberrant member of the D. melanogaster species group. This study reveals how intensive field sampling can uncover remarkable biodiversity in even the

  6. A Mixed-Methods Evaluation of the Choose Less, Weigh Less Portion Size Health Marketing Campaign in Los Angeles County.

    Science.gov (United States)

    Gase, Lauren N; Barragan, Noel C; Robles, Brenda; Leighs, Michael; Kuo, Tony

    2015-01-01

    To assess the impact of the Choose Less, Weigh Less portion size health marketing campaign. A mixed-methods, cross-sectional evaluation. A quantitative Internet panel survey was administered through an online sampling vendor and qualitative interviews were conducted by street intercept. The panel survey included 796 participants, weighted to represent Los Angeles County. Street intercept interviews were conducted with 50 other participants. The Choose Less, Weigh Less campaign included print media on transit shelters, bus and rail cars, and billboards; radio and online advertising; and Web site content and social media outreach. The panel survey measured self-reported campaign exposure and outcomes, including knowledge of recommended daily calorie limits, attitudes toward portion sizes, and intent to reduce calories and portion size. Intercept interviews assessed campaign appeal, clarity, and utility. Weighted survey data were analyzed using logistic regression to assess the association between campaign exposure and outcomes. Interview data were analyzed for themes. The campaign reached 19.7% of the Los Angeles County population. Significant differences were seen for 2 of the 10 outcomes assessed. Participants who saw the campaign were more likely than those who did not to report fast-food portion sizes as being too large (adjusted odds ratio [Adj. OR]: 1.89; 95% confidence interval [CI]: 1.16, 3.07) and intention to choose a smaller portion (Adj. OR: 1.99; 95% CI: 1.20, 3.31). Qualitative data revealed three themes about appeal, clarity, and utility. Health marketing efforts targeting portion size can have relatively broad reach and limited but positive impacts on consumer attitudes and intent to select smaller portions.

  7. Turning the Curve on Obesity Prevalence Among Fifth Graders in the Los Angeles Unified School District, 2001–2013

    Science.gov (United States)

    Hameed, Heena; Shih, Margaret; Simon, Paul

    2017-01-01

    Introduction After multiple decades of increasing childhood obesity prevalence in the United States, findings from recent studies suggest that prevalence has leveled or is decreasing in some populations. However, demographic and socioeconomic disparities in prevalence remain and may be increasing. Methods To assess recent trends and disparities in childhood obesity prevalence in Los Angeles County, we analyzed data from 2001 through 2013 in fifth graders in the Los Angeles Unified School District (LAUSD). Obesity was defined as a body mass index at or above the 95th percentile for children of the same age and sex as compared with Centers for Disease Control and Prevention growth charts, on the basis of measured height and weight. Trends were examined by sex, race/ethnicity, and socioeconomic status (SES). SES was determined by using school-level data on the percentage of students participating in a free and reduced-price meal program. Results Obesity prevalence increased from 27.5% in 2001 to 31.6% in 2005, was stable from 2005 through 2010, and decreased from 31.6% in 2010 to 28.5% in 2013. Similar trajectories in prevalence were observed for all demographic and SES subgroups, although the decline in prevalence began earlier among whites and students attending schools in the highest SES group. Disparities in prevalence by race/ethnicity and SES were observed during the entire study period but narrowed slightly from 2010 through 2013. Conclusion Although obesity prevalence among fifth graders in LAUSD declined from 2010 through 2013, prevalence remains higher than in 2001, and demographic and socioeconomic disparities in prevalence persist. Future interventions in the county should prioritize Latinos and students attending low SES schools. PMID:28207380

  8. Air Pollution Control in Los Angeles%洛杉矶的雾霾治理及其启示

    Institute of Scientific and Technical Information of China (English)

    高洪善

    2014-01-01

    The Las Angeles Smog Incident happened in 1943, and until 1970s the city was called the“smog city”. It was analyzed that smog in Los Angeles came from ozone in summer and from PM2.5 in winter. The paper discusses the effects and measures Los Angeles has taken to handle the air pollution, such as, air pollution control legislation, adopting emissions license system, fostering advanced technologies, and setting up the interagency administration. The clean air was achieved by these measures:the unhealthy air days in California was reduced by 74 percent in 2012 compared to 2000. The paper also gives some suggestions for Chinese current haze control as follows:emphasizing the forecast and analysis on air pollution, introducing the market mechanism, establishing interregional air pollution control administration, and enhancing sino-US cooperation in environment protection.%1943年美国发生了著名的“洛杉矶雾霾”事件,直到20世纪70年代,该市区还被称为“美国烟雾城”。洛杉矶雾霾夏天主要起因于臭氧,冬天主要是源于细微颗粒物等。洛杉矶在治理雾霾方面的主要做法包括立法、排污许可证制度、推广先进环保技术、建立排污交易机制和成立跨部门专门机构等,其治理工作取得了明显成效:2012年,加州达到“不健康空气”水平的日子比2000年减少了约74%。我国治理雾霾,应更加重视空气污染的长期性预测分析,引入市场机制,成立跨地区的空气污染治理机构,同时,加强中美间环保科技的国际合作。

  9. El hotel turístico. Viaje a los orígenes de su arquitectura, 1693-1932

    OpenAIRE

    Jiménez Morales, Eduardo

    2014-01-01

    Si existe una arquitectura claramente adscrita al turismo de masas, esa es la del hotel. El hotel constituye la pieza mínima por excelencia ya que es necesaria para convertir un lugar en un destino turístico. Para estudiar sus características se propone indagar en el origen y en la evolución de su arquitectura. El objetivo es descubrir el momento del tránsito del hotel urbano de patio interior y manzana cerrada, pautado por el lenguaje historicista, al hotel panorámico y abierto al paisaje li...

  10. Redes sociales y turismo: aproximación al caso de los hoteles de la Región de Murcia

    OpenAIRE

    Mellinas Cánovas, Juan Pedro

    2011-01-01

    Internet cobra cada vez más importancia en la vida cotidiana de la mayor parte de los ciudadanos, así como en los procesos de comunicación y venta en la mayoría de los sectores de la economía. El sector turístico es uno de los más afectados por esta nueva realidad desde hace años, como indican los datos de diferentes estudios sobre internautas y turismo. Los que consultan Internet antes de decidir el destino de sus vacaciones o los que contratan su hotel a través de la web son ahora mayoría f...

  11. Redes sociales y turismo: aproximación al caso de los hoteles de la Región de Murcia

    OpenAIRE

    Mellinas Cánovas, Juan Pedro

    2011-01-01

    Internet cobra cada vez más importancia en la vida cotidiana de la mayor parte de los ciudadanos, así como en los procesos de comunicación y venta en la mayoría de los sectores de la economía. El sector turístico es uno de los más afectados por esta nueva realidad desde hace años, como indican los datos de diferentes estudios sobre internautas y turismo. Los que consultan Internet antes de decidir el destino de sus vacaciones o los que contratan su hotel a través de la web son ahora mayoría f...

  12. Making a Living in the Streets of Los Angeles: An Ethnographic Study of Day Laborers

    Directory of Open Access Journals (Sweden)

    Daniel Melero Malpica

    2002-01-01

    Full Text Available Este artículo examina la organización social de migrantes latinos que abiertamente venden su fuerza laboral en los mercados de trabajo de las esquinas del área metropolitana de Los Ángeles. En contraste con la caracterización de los sitios de trabajo de los jornaleros urbanos como competitivos o desestructurados, este estudio demuestra que estos mercados tienen una variedad de formas estructurales que proveen la base organizativa para reunir a empleadores potenciales y a quienes buscan trabajo, los esquineros. Como todos los demás, este mercado de trabajo tiene costumbres y reglas que se aplican cuando los participantes buscan eficiencia en su trato entre ellos y con sus clientes. Estas reglas no están escritas y se basan en gran medida en la práctica y el precedente, pero gobiernan muchos aspectos de las relaciones de trabajo, incluyendo la relación de salario. Este estudio encontró que el mercado de trabajo de los jornaleros urbanos responde menos a la competencia y más a las reglas de trabajo informal y al papel de las relaciones de costumbre.

  13. The Pasadena Aerosol Characterization Observatory (PACO): chemical and physical analysis of the Western Los Angeles basin aerosol

    Science.gov (United States)

    Hersey, S. P.; Craven, J. S.; Schilling, K. A.; Metcalf, A. R.; Sorooshian, A.; Chan, M. N.; Flagan, R. C.; Seinfeld, J. H.

    2011-08-01

    The Pasadena Aerosol Characterization Observatory (PACO) represents the first major aerosol characterization experiment centered in the Western/Central Los Angeles Basin. The sampling site, located on the campus of the California Institute of Technology in Pasadena, was positioned to sample a continuous afternoon influx of transported urban aerosol with a photochemical age of 1-2 h and generally free from major local contributions. Sampling spanned 5 months during the summer of 2009, which were broken into 3 regimes on the basis of distinct meteorological conditions. Regime I was characterized by a series of low pressure systems, resulting in high humidity and rainy periods with clean conditions. Regime II typified early summer meteorology, with significant morning marine layers and warm, sunny afternoons. Regime III was characterized by hot, dry conditions with little marine layer influence. Regardless of regime, organic aerosol (OA) is the most significant constituent of nonrefractory submicron Los Angeles aerosol (42, 43, and 55 % of total submicron mass in regimes I, II, and III, respectively). The overall oxidation state remains relatively constant on timescales of days to weeks (O:C = 0.44 ± 0.08, 0.55 ± 0.05, and 0.48 ± 0.08 during regimes I, II, and III, respectively), with no difference in O:C between morning and afternoon periods. Periods characterized by significant morning marine layer influence followed by photochemically favorable afternoons displayed significantly higher aerosol mass and O:C ratio, suggesting that aqueous processes may be important in the generation of secondary aerosol and oxidized organic aerosol (OOA) in Los Angeles. Online analysis of water soluble organic carbon (WSOC) indicates that water soluble organic mass (WSOM) reaches maxima near 14:00-15:00 local time (LT), but the percentage of AMS organic mass contributed by WSOM remains relatively constant throughout the day. Sulfate and nitrate reside predominantly in accumulation

  14. The Pasadena Aerosol Characterization Observatory (PACO: chemical and physical analysis of the Western Los Angeles basin aerosol

    Directory of Open Access Journals (Sweden)

    S. P. Hersey

    2011-08-01

    Full Text Available The Pasadena Aerosol Characterization Observatory (PACO represents the first major aerosol characterization experiment centered in the Western/Central Los Angeles Basin. The sampling site, located on the campus of the California Institute of Technology in Pasadena, was positioned to sample a continuous afternoon influx of transported urban aerosol with a photochemical age of 1–2 h and generally free from major local contributions. Sampling spanned 5 months during the summer of 2009, which were broken into 3 regimes on the basis of distinct meteorological conditions. Regime I was characterized by a series of low pressure systems, resulting in high humidity and rainy periods with clean conditions. Regime II typified early summer meteorology, with significant morning marine layers and warm, sunny afternoons. Regime III was characterized by hot, dry conditions with little marine layer influence. Regardless of regime, organic aerosol (OA is the most significant constituent of nonrefractory submicron Los Angeles aerosol (42, 43, and 55 % of total submicron mass in regimes I, II, and III, respectively. The overall oxidation state remains relatively constant on timescales of days to weeks (O:C = 0.44 ± 0.08, 0.55 ± 0.05, and 0.48 ± 0.08 during regimes I, II, and III, respectively, with no difference in O:C between morning and afternoon periods. Periods characterized by significant morning marine layer influence followed by photochemically favorable afternoons displayed significantly higher aerosol mass and O:C ratio, suggesting that aqueous processes may be important in the generation of secondary aerosol and oxidized organic aerosol (OOA in Los Angeles. Online analysis of water soluble organic carbon (WSOC indicates that water soluble organic mass (WSOM reaches maxima near 14:00–15:00 local time (LT, but the percentage of AMS organic mass contributed by WSOM remains relatively constant throughout the day. Sulfate and nitrate reside predominantly

  15. Working on the Margins in Metropolitan Los Angeles: Immigrants in Day-Labor Work

    Directory of Open Access Journals (Sweden)

    Abel Valenzuela Jr

    2002-01-01

    Full Text Available Este artículo explora la teoría de la desventaja para entender la participación de inmigrantes latinos como jornaleros urbanos. Entrevistas con 481 jornaleros urbanos, seleccionados aleatoriamente en 87 lugares de empleo en el área metropolitana de Los Ángeles, hacen posible un análisis de las características demográficas y del mercado de trabajo de este tipo de auto empleados. Aunque la gran mayoría de los jornaleros urbanos son inmigrantes recién llegados sin autorización para trabajar, no todos están desesperados, como la teoría de la desventaja podría hacernos creer. Los jornaleros urbanos son diversos en términos de su estructura familiar, el tiempo de su llegada, su experiencia en este trabajo y su capital humano. A pesar de esto, la falta de capital humano y otras características, generalmente los obstaculizan para buscar ocupaciones estables y mejor pagadas en el mercado laboral regular. Los ingresos entre los jornaleros urbanos son diversos, la paga por hora es mayor que los topes del salario mínimo federal o estatal, el regateo de salarios es común y ven-tajoso para el trabajador y los salarios son pagados en efectivo y libres de impuestos. Sin embargo, estas ventajas son neutralizadas por la inestabilidad del trabajo. Para una minoría de jornaleros urbanos este mercado ofrece una alternativa a otros empleos irregulares y de baja calificación.

  16. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Langham Hotels Upgrade The Langham Hotel has received several accolades and awards recently, including being named in"Travel+ Leisure’s 500 Best Hotels in the World"and ranking among the list of"Travel+ Leisure’s 50 Best Hotels in Asia."Langham Hotels is a dynamic,modem hospitality management company which operates a number of luxury hotels and serviced apartment properties in prime loca- tions within Hong Kong and overseas. The hotel has invested$2.2 million in renovating hotel rooms.The renovation project is led by Andy Tait,a designer from the professional designing company LRF Design,with the first phase of renovationt to be finished by this October.

  17. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Minzu Hotel The Tianxia Yipin Restaurant offers royal cuisine in the Minzu Hotel. Decorated with colorful drawings, the restaurant is quiet, elegant,comfortable and full of oriental charm. The finest ingredients are used and cooked carefully

  18. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Minzu Hotel As the New Year approaches, Chinese restaurants at Minzu Hotel will present a Chinese New Year family feast with special gourmet options for your imperial New Year dinner. Tian Xia Yi Pin Restaurant

  19. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Minzu Hotel Thanksgiving Night Buffet Dinner The Thanksgiving Night at the Minzu Hotel cannot be missed. On November 27, our Thanksgiving Night buffet dinner will be held at the hotel’s Coffee Mill restaurant. A variety of

  20. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    The Great Wall Sheraton Hotel Beijing On Valentine's Day, the Great Wall Sheraton Hotel Beijing will provide an ideal setting for romance to blossom. Let the pleasure begin with a lovely Be My Valentine

  1. Geohydrology, Geochemistry, and Ground-Water Simulation-Optimization of the Central and West Coast Basins, Los Angeles County, California

    Science.gov (United States)

    Reichard, Eric G.; Land, Michael; Crawford, Steven M.; Johnson, Tyler D.; Everett, Rhett; Kulshan, Trayle V.; Ponti, Daniel J.; Halford, Keith L.; Johnson, Theodore A.; Paybins, Katherine S.; Nishikawa, Tracy

    2003-01-01

    Historical ground-water development of the Central and West Coast Basins in Los Angeles County, California through the first half of the 20th century caused large water-level declines and induced seawater intrusion. Because of this, the basins were adjudicated and numerous ground-water management activities were implemented, including increased water spreading, construction of injection barriers, increased delivery of imported water, and increased use of reclaimed water. In order to improve the scientific basis for these water management activities, an extensive data collection program was undertaken, geohydrological and geochemical analyses were conducted, and ground-water flow simulation and optimization models were developed. In this project, extensive hydraulic, geologic, and chemical data were collected from new multiple-well monitoring sites. On the basis of these data and data compiled and collected from existing wells, the regional geohydrologic framework was characterized. For the purposes of modeling, the three-dimensional aquifer system was divided into four aquifer systems?the Recent, Lakewood, Upper San Pedro, and Lower San Pedro aquifer systems. Most pumpage in the two basins is from the Upper San Pedro aquifer system. Assessment of the three-dimensional geochemical data provides insight into the sources of recharge and the movement and age of ground water in the study area. Major-ion data indicate the chemical character of water containing less than 500 mg/L dissolved solids generally grades from calcium-bicarbonate/sulfate to sodium bicarbonate. Sodium-chloride water, high in dissolved solids, is present in wells near the coast. Stable isotopes of oxygen and hydrogen provide information on sources of recharge to the basin, including imported water and water originating in the San Fernando Valley, San Gabriel Valley, and the coastal plain and surrounding hills. Tritium and carbon-14 data provide information on relative ground-water ages. Water with

  2. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Minzu Hotel The Minzu Hotel hosted a pointing activity at the Bingzhongbu Third Kindergarten on July 30. Children from the kindergarten painted pictures of "what the Olympics meant to them. The teachers selected 100 excellent paintings, which were presented as gifts to hotel guests.

  3. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    The Radisson SAS Hotel Beijing The Radisson SAS Hotel Beijing recently welcomed Danish Band Dodo and the Dodos. As a favorite 'home away from home' for Scandinavian visitors during their stay in Beijing, the Radisson SAS Hotel has also been playing an a

  4. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Radisson SAS Hotel Beijing Radisson SAS Hotel Beijing has been awarded the “Gold Leaf Green Hotel”title by the China Tourist Hotel Star-Rating Committee. This recognition acknowledges the hotel’s continuous efforts toward energy-efficient and envi-ronment-friendly practices.

  5. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Luxury Hotel in Manila Kingdom Hotel Investments (KHI), the leading hotel and resort investment company chaired by Saudi Prince Alwaleed bin Talal Abdulaziz Alsaud, is pleased to announce the acquisition of 7,377 square meters of prime freehold land on M

  6. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Minzu Hotel Minzu Hotel,built exclusively for the 10th anniversary of the founding of the People’s Republic of China in 1959,has now become a high-end business hotel with 516 rooms and restaurants with various

  7. Hotel Infomation

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Raffles Beijing Hotel Fan Bingbing, a rising Chinese movie star, is welcomed by Peter Lloyd Wynne, General Manager of Raffles Beijing Hotel, at the Celine 2006-07 fashion show at the hotel in July. Holiday Inn Downtown Shanghai This August, our experienced executive chef Lisa prepares the most creative and delicious

  8. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Shangri-La Hotel, Beijing Shangri-La Hotel, Beijing is one year older on August 22. The hotel lets its hair down this year with a generous "ageist" discount for anyone celebrating a birthday from Monday to Friday on August 1-31. Visit Cafe Cha on your big day

  9. Working on the Margins in Metropolitan Los Angeles: Immigrants in Day-Labor Work

    OpenAIRE

    Abel Valenzuela Jr

    2002-01-01

    Este artículo explora la teoría de la desventaja para entender la participación de inmigrantes latinos como jornaleros urbanos. Entrevistas con 481 jornaleros urbanos, seleccionados aleatoriamente en 87 lugares de empleo en el área metropolitana de Los Ángeles, hacen posible un análisis de las características demográficas y del mercado de trabajo de este tipo de auto empleados. Aunque la gran mayoría de los jornaleros urbanos son inmigrantes recién llegados sin autorización par...

  10. Carbon dioxide and methane measurements from the Los Angeles Megacity Carbon Project - Part 1: calibration, urban enhancements, and uncertainty estimates

    Science.gov (United States)

    Verhulst, Kristal R.; Karion, Anna; Kim, Jooil; Salameh, Peter K.; Keeling, Ralph F.; Newman, Sally; Miller, John; Sloop, Christopher; Pongetti, Thomas; Rao, Preeti; Wong, Clare; Hopkins, Francesca M.; Yadav, Vineet; Weiss, Ray F.; Duren, Riley M.; Miller, Charles E.

    2017-07-01

    We report continuous surface observations of carbon dioxide (CO2) and methane (CH4) from the Los Angeles (LA) Megacity Carbon Project during 2015. We devised a calibration strategy, methods for selection of background air masses, calculation of urban enhancements, and a detailed algorithm for estimating uncertainties in urban-scale CO2 and CH4 measurements. These methods are essential for understanding carbon fluxes from the LA megacity and other complex urban environments globally. We estimate background mole fractions entering LA using observations from four extra-urban sites including two marine sites located south of LA in La Jolla (LJO) and offshore on San Clemente Island (SCI), one continental site located in Victorville (VIC), in the high desert northeast of LA, and one continental/mid-troposphere site located on Mount Wilson (MWO) in the San Gabriel Mountains. We find that a local marine background can be established to within ˜ 1 ppm CO2 and ˜ 10 ppb CH4 using these local measurement sites. Overall, atmospheric carbon dioxide and methane levels are highly variable across Los Angeles. Urban and suburban sites show moderate to large CO2 and CH4 enhancements relative to a marine background estimate. The USC (University of Southern California) site near downtown LA exhibits median hourly enhancements of ˜ 20 ppm CO2 and ˜ 150 ppb CH4 during 2015 as well as ˜ 15 ppm CO2 and ˜ 80 ppb CH4 during mid-afternoon hours (12:00-16:00 LT, local time), which is the typical period of focus for flux inversions. The estimated measurement uncertainty is typically better than 0.1 ppm CO2 and 1 ppb CH4 based on the repeated standard gas measurements from the LA sites during the last 2 years, similar to Andrews et al. (2014). The largest component of the measurement uncertainty is due to the single-point calibration method; however, the uncertainty in the background mole fraction is much larger than the measurement uncertainty. The background uncertainty for the marine

  11. Determination of a Holocene Slip Rate on the Puente Hills Blind-Thrust Fault, Los Angeles Basin, California

    Science.gov (United States)

    Christofferson, S. A.; Dolan, J. F.; Shaw, J. H.; Pratt, T. L.

    2001-12-01

    Paleoseismologic observations of slip histories and slip rates of faults that break the surface are available at an ever-increasing rate, but the nature of blind-thrust faults has kept paleoearthquake information on these faults out of reach. The complex network of blind thrust faults beneath the Los Angeles metropolitan region includes the Puente Hills thrust fault (PHT), which extends southeastward for >35 km from beneath downtown Los Angeles into northern Orange County. This thrust is active, as demonstrated by the occurrence of the 1987 Mw 6.0 Whittier Narrows earthquake (Shaw and Shearer 1999). Despite our awareness of the hazard posed by this fault, we do not know its current slip rate or its earthquake history prior to the 1987 event. To determine these critical data, we have begun a two-phase project in which we will acquire high-resolution seismic reflection data and excavate paleoseismologic boreholes and trenches across the zone of active folding associated with major earthquakes on the PHT. We have acquired high-resolution seismic reflection profiles along two transects across the zone of active folding. In our eastern most profile, along Trojan Way in La Mirada, the seismic reflection data show that the locus of active folding extends to 1.5- 2-m-thick reddish-brown argillic horizon. This soil indicates that the geomorphic surface atop the scarp is late Pleistocene in age. The 9 m height of the scarp provides a minimum estimate of total structural relief since stabilization of the ground surface. These observations yield an approximate uplift rate on the order of a few tenths of a mm/yr. Assuming simple hangingwall block translation and given the 19° -22° N dip of the PHT beneath the site, we calculate a minimum average late Pleistocene-Recent dip-slip rate of \\sim 0.2 to 1.1 mm/yr. This slip-rate range is based on our crude age estimates of the late Pleistocene soil. 14C dating of detrital charcoal recovered from the borehole will allow us to

  12. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Goria Plaza Hotel Beijing Gloria Plaza Hotel Beijing was recently awarded the Most Creative Hotel Food & Beverage Service of 2007 MICE Creative Board by MICE Magazine,published by EE-Media.The Group Executive Chef (Western Cuisine) of Gloria Hotels & Resorts,Farouq Abdullah (right),received the award at a celebration dinner.Farouq,originally from Malaysia,obtained abundant experience as an executive chef in various four and five star hotels in Australia,USA,Canada,Europe and most of the South East Asian countries.

  13. Gestión de la calidad y medioambiental y rendimiento empresarial: un análisis de los hoteles españoles

    OpenAIRE

    Molina-Azorín, José F.; Claver Cortés, Enrique; Pereira-Moliner, Jorge; Tarí, Juan-José

    2009-01-01

    Un tema importante en la literatura sobre calidad es la relación entre la gestión de la calidad y el rendimiento empresarial. Lo mismo ocurre en el campo de la gestión medioambiental. La literatura ha analizado estos sistemas por separado y principalmente en empresas manufactureras. Este estudio analiza conjuntamente ambas prácticas de gestión en el sector hotelero. En concreto, este trabajo identifica los niveles de compromiso con la gestión de la calidad y la gestión ambiental de los hotele...

  14. La experiencia en la relación entre los empleados de primera línea y los clientes: caso exploratorio sobre la identificación con la misión en la industria de la hotelería española

    OpenAIRE

    Fusté Forné, Francesc

    2015-01-01

    Las empresas de la industria de la hotelería deben saber destacar por lo que a creación de experiencias se refiere. Para ello es necesario tener una relación directa con los consumidores y conocer sus tendencias de comportamiento (por ejemplo, a través de los cuestionarios de satisfacción). El presente artículo presenta los resultados de un estudio realizado en seis hoteles españoles. A partir de las entrevistas a 66 cargos directivos y recepcionistas de los hoteles estudiados, lo...

  15. Epidemiologic study of neural tube defects in Los Angeles County. I. Prevalence at birth based on multiple sources of case ascertainment

    Energy Technology Data Exchange (ETDEWEB)

    Sever, L.E. (Pacific Northwest Lab., Richland, WA); Sanders, M.; Monsen, R.

    1982-01-01

    Epidemiologic studies of the neural tube defects (NTDs), anencephalus and spina bifida, have for the most part been based on single sources of case ascertainment in past studies. The present investigation attempts total ascertainment of NTD cases in the newborn population of Los Angeles County residents for the period 1966 to 1972. Design of the study, sources of data, and estimates of prevalence rates based on single and multiple sources of case ascertainment are here discussed. Anencephalus cases totaled 448, spina bifida 442, and encephalocele 72, giving prevalence rates of 0.52, 0.51, and 0.08 per 1000 total births, respectively, for these neural tube defects - rates considered to be low. The Los Angeles County prevalence rates are compared with those of other recent North American studies and support is provided for earlier suggestions of low rates on the West Coast.

  16. Risks and benefits of gardening in urban soil; heavy metals and nutrient content in Los Angeles Community Gardens

    Science.gov (United States)

    Clarke, L. W.; Jenerette, D.; Bain, D. J.

    2012-12-01

    The availability of soil nutrients and heavy metals in urban community gardens can influence health of crops and participants. Interactions between garden history, management, and soils are understudied in cities. In July 2011, we collected soil samples from 45 plots at 6 Los Angeles community gardens. For comparison, 3 samples were collected from uncultivated garden soils and 3 more from outside soils. Samples were then tested for major nutrients- Nitrogen(N), Potassium (K), and Phosphorous (P)- and organic matter (SOM). We also measured concentrations of 29 metals in 3 gardens using Inductively Coupled Plasma- Atomic Emission Spectroscopy. Potassium and phosphorus exceeded optimum levels in all plots, with some over twice the maximum recommended levels. Over-fertilized soils may contribute to local watershed pollution and crop micronutrient deficiencies. Low soil SOM was observed in gardens in impoverished neighborhoods, possibly due to low quality amendments. Our metals analysis showed dangerous levels of lead (Pb)-- up to 1700 ppm in outside soils and 150 ppm in garden soils-- near older gardens, indicating lead deposition legacies. California lead safety standards indicate that children should not play near soils with Pb above 200 ppm, indicating need for long term monitoring of lead contaminated gardens. Arsenic (As) levels exceeded federal risk levels (0.3 ppm) and average CA background levels (2 ppm) in all areas, with some gardens exceeding 10 ppm. Heavy metal legacies in gardens may pose risks to participants with prolonged exposure and remediation of soils may be necessary.

  17. The Pasadena Aerosol Characterization Observatory (PACO: chemical and physical analysis of the Western Los Angeles Basin aerosol

    Directory of Open Access Journals (Sweden)

    S. P. Hersey

    2011-02-01

    Full Text Available The Pasadena Aerosol Characterization Observatory (PACO represents the first major aerosol characterization experiment centered in the Western/Central Los Angeles Basin. The sampling site, located on the campus of the California Institute of Technology in Pasadena, was positioned to sample a continuous afternoon influx of transported urban aerosol with a photochemical age of 1–2 h and generally free from major local contributions. Sampling spanned 5 months during the summer of 2009, which were broken into 3 regimes on the basis of distinct meteorological conditions. Regime I was characterized by a series of low pressure systems, resulting in high humidity and rainy periods with clean conditions. Regime II typified early summer meteorology, with significant morning marine layers and warm, sunny afternoons. Regime III was characterized by hot, dry conditions with little marine layer influence.

    Organic aerosol (OA is the most significant constituent of Los Angeles aerosol (42, 43, and 55% of total submicron mass in regimes I, II, and III, respectively, and that the overall oxidation state remains relatively constant on timescales of days to weeks (O:C = 0.44 ± 0.08, 0.55 ± 0.05, and 0.48 ± 0.08 during regimes I, II, and III, respectively, with no difference in O:C between morning and afternoon periods. Periods characterized by significant morning marine layer influence followed by photochemically favorable afternoons displayed significantly higher aerosol mass and O:C ratio, suggesting that aqueous processes may be important in the generation of secondary aerosol and oxidized organic aerosol (OOA in Los Angeles.

    Water soluble organic mass (WSOM reaches maxima near 14:00–15:00 local time (LT, but the percentage of AMS organic mass contributed by WSOM remains relatively constant throughout the day. Sulfate and nitrate reside predominantly in accumulation mode aerosol, while afternoon SOA production coincides with the

  18. The Geography of Clusters: The Case of the Video Games Clusters in Montreal and in Los Angeles

    Directory of Open Access Journals (Sweden)

    Sylvianne Pilon

    2013-01-01

    Full Text Available The aim of our research was to examine how clusters appear and develop in the video game sector. We thus did a comparative study of the video games cluster in Montreal and Los Angeles. This paper shows that concentration of human creativity in arts and in technology is a significant economic localization factor, but cross-fertilization of sectors and public policy also contributes to the understanding of the emergence of clusters in certain urban regions. Thus, political and industrial factors offer an explanation as to why clusters emerge and how they evolve, going beyond the purely geographic or economic factors. In LA as in Montreal, the cross-fertilization with film is important. However, in Montreal, it is the public policy contributing to financing jobs in the Multimedia City and the French language that brought Ubisoft to the city; this contributed to make the city well known in the field, creating a “brand” for the city and thus fuelling the cluster development.

  19. Three Cases of West Nile Encephalitis over an Eight-Day Period at a Downtown Los Angeles Community Hospital

    Directory of Open Access Journals (Sweden)

    Adam Puchalski

    2015-01-01

    Full Text Available Since its introduction in New York City in 1999, the virus has spread throughout the entire North American continent and continues to spread into Central and Latin America. Our report discusses the signs and symptoms, diagnostics, and treatment of West Nile disease. It is important to recognize the disease quickly and initiate appropriate treatment. We present three cases of West Nile encephalitis at White Memorial Medical Center in East Los Angeles that occurred over the span of eight days. All three patients live within four to six miles from the hospital and do not live or work in an environment favorable to mosquitoes including shallow bodies of standing water, abandoned tires, or mud ruts. All the patients were Hispanic. Physicians and other health care providers should consider West Nile infection in the differential diagnosis of causes of aseptic meningitis and encephalitis, obtain appropriate laboratory studies, and promptly report cases to public health authorities. State governments should establish abatement programs that will eliminate sources that allow for mosquito reproduction and harboring. The public needs to be given resources that educate them on what entails the disease caused by the West Nile virus, what the symptoms are, and, most importantly, what they can do to prevent themselves from becoming infected.

  20. How the 2008 stock market crash and seasons affect total and cardiac deaths in Los Angeles County.

    Science.gov (United States)

    Schwartz, Bryan Glen; Pezzullo, John Christopher; McDonald, Scott Andrew; Poole, William Kenneth; Kloner, Robert Alan

    2012-05-15

    Various stressors trigger cardiac death. The objective was to investigate a possible relation between a stock market crash and cardiac death in a large population within the United States. We obtained daily stock market data (Dow Jones Industrial Average Index), death certificate data for daily deaths in Los Angeles County (LA), and annual LA population estimates for 2005 through 2008. The 4 years death rate curves (2005 through 2008) were averaged into a single curve to illustrate annual trends. Data were "deseasonalized" by subtracting from the daily observed value the average value for that day of year. There was marked seasonal variation in total and cardiac death rates. Even in the mild LA climate, death rates were higher in winter versus summer including total death (+17%), circulatory death (+24%), coronary heart disease death (+28%), and myocardial infarction death (+38%) rates (p <0.0001 for each). Absolute coronary heart disease death rates have decreased since 1985. After accounting for seasonal variation, the large stock market crash in October 2008 did not affect death rates in LA. Death rates remained at or below seasonal averages during the stock market crash. In conclusion, after correcting for seasonal variation, the stock market crash in October 2008 was not associated with an increase in total or cardiac death in LA. Annual coronary heart disease death rates continue to decrease. However, seasonal variation (specifically winter) remains a trigger for death and coronary heart disease death even in LA where winters are mild.

  1. Urban solar photovoltaics potential: An inventory and modelling study applied to the San Fernando Valley region of Los Angeles

    Science.gov (United States)

    Angelici, G. L.; Bryant, N. A.; Freta, R. K.; Friedman, S. Z.

    1980-01-01

    Procedures for analyzing the potential of solar photovoltaic collectors to meet energy requirements in a metropolitan region are described and a modeling effort is applied to the San Fernando Valley region of Los Angeles. The procedure involves a series of steps designed to produce maps and tabulations revealing the amount of rooftop area available for establishing solar collectors and the proportion of energy requirement that could be potentially supplied by solar photovoltaics within each of the 533 mainline feeder service areas in the study area. For the sixty five square mile study area, the results showed that, with half the available flat and south facing roofs used and assuming the availability of energy storage, 52.7 percent of the actual kWh energy requirements could have been met in 1978 using photovoltaic collectors. Hourly, daily, weekly, and monthly fluctuations in potential supply and actual loads and recommendations of avenues for further research are discussed. Some further potential applications of the modeling technique are suggested.

  2. The grand experiment, a historical account of a museum/school partnership: The Alexander Science Center School of Los Angeles

    Science.gov (United States)

    Heughins, Andrew R.

    This study tells the history of The Alexander Science Center School, a museum/school partnership between the Los Angeles Unified School District and the California Science Center created with the goal of becoming a national model in elementary science education. To provide a background to the development of the school, this study explores the definition of what constitutes a museum school, including the existence of a formal partnership between a school district and a museum and systemic change in the partner institutions leading to a marriage of formal and informal learning styles. In addition, the literature review explores the unique models of museum/school partnerships developed in the United States. The history of the Alexander Science Center School is told in a narrative style using documentation from the schools development and through interviews with individuals who played key roles, from the schools inception through its opening. The study covers the initiation of concept, architectural design, formation of the partnership, and development of the curriculum. The study also identifies the roadblocks encountered in the schools development and makes recommendations for school districts and institutions seeking to create future museum school projects. In addition, a comparison is made other recently studied museum schools to provide a context for the school's historical and programmatic development.

  3. Stratospheric influence on surface ozone in the Los Angeles area during late spring and early summer of 2010

    Science.gov (United States)

    Langford, A. O.; Brioude, J.; Cooper, O. R.; Senff, C. J.; Alvarez, R. J., II; Hardesty, R. M.; Johnson, B. J.; Oltmans, S. J.

    2012-02-01

    The influence of stratosphere-to-troposphere transport (STT) on surface ozone (O3) concentrations in the greater Los Angeles area during the CalNex and IONS-2010 measurement campaigns has been investigated. Principal component analysis (PCA) of surface O3 measurements from 41 sampling stations indicates that ˜13% of the variance in the maximum daily 8-h average (MDA8) O3 between May 10 and June 19, 2010 was associated with changes of 2-3 day duration linked to the passage of upper-level troughs. Ozonesondes launched from Joshua Tree National Park and airborne lidar measurements show that these changes coincided with the appearance of stratospheric intrusions in the lower troposphere above southern California. The Lagrangian particle dispersion model FLEXPART reproduces most of these intrusions, and supports the conclusion from the PCA that significant transport of stratospheric air to the surface occurred on May 28-30. This intrusion led to a peak 1-h O3 concentration of 88 ppbv at Joshua Tree National Monument near the ozonesonde launch site on May 28, and widespread entrainment of stratospheric air into the boundary layer increased the local background O3 over the entire area to ˜55 ppbv on May 29-30. This background was 10-15 ppbv higher than the baseline O3 in air transported ashore from the Pacific Ocean, and when combined with locally produced O3 led to several exceedances of the current National Ambient Air Quality Standard (NAAQS) on the following day.

  4. Genetic analysis of invasive Aedes albopictus populations in Los Angeles County, California and its potential public health impact.

    Directory of Open Access Journals (Sweden)

    Daibin Zhong

    Full Text Available The Asian tiger mosquito, Aedes albopictus, is an anthropophilic aggressive daytime-biting nuisance and an efficient vector of certain arboviruses and filarial nematodes. Over the last 30 years, this species has spread rapidly through human travel and commerce from its native tropical forests of Asia to every continent except Antarctica. In 2011, a population of Asian tiger mosquito (Aedes albopictus was discovered in Los Angeles (LA County, California. To determine the probable origin of this invasive species, the genetic structure of the population was compared against 11 populations from the United States and abroad, as well as preserved specimens from a 2001 introduction into California using the mitochondrial cytochrome c oxidase 1 (CO1 gene. A total of 66 haplotypes were detected among samples and were divided into three main groups. Aedes albopictus collected in 2001 and 2011 from LA County were genetically related and similar to those from Asia but distinct from those collected in the eastern and southeastern United States. In view of the high genetic similarities between the 2001 and 2011 LA samples, it is possible that the 2011 population represents in part the descendants of the 2001 introduction. There remains an imperative need for improved surveillance and control strategies for this species.

  5. Genetic analysis of invasive Aedes albopictus populations in Los Angeles County, California and its potential public health impact.

    Science.gov (United States)

    Zhong, Daibin; Lo, Eugenia; Hu, Renjie; Metzger, Marco E; Cummings, Robert; Bonizzoni, Mariangela; Fujioka, Kenn K; Sorvillo, Teresa E; Kluh, Susanne; Healy, Sean P; Fredregill, Chris; Kramer, Vicki L; Chen, Xiaoguang; Yan, Guiyun

    2013-01-01

    The Asian tiger mosquito, Aedes albopictus, is an anthropophilic aggressive daytime-biting nuisance and an efficient vector of certain arboviruses and filarial nematodes. Over the last 30 years, this species has spread rapidly through human travel and commerce from its native tropical forests of Asia to every continent except Antarctica. In 2011, a population of Asian tiger mosquito (Aedes albopictus) was discovered in Los Angeles (LA) County, California. To determine the probable origin of this invasive species, the genetic structure of the population was compared against 11 populations from the United States and abroad, as well as preserved specimens from a 2001 introduction into California using the mitochondrial cytochrome c oxidase 1 (CO1) gene. A total of 66 haplotypes were detected among samples and were divided into three main groups. Aedes albopictus collected in 2001 and 2011 from LA County were genetically related and similar to those from Asia but distinct from those collected in the eastern and southeastern United States. In view of the high genetic similarities between the 2001 and 2011 LA samples, it is possible that the 2011 population represents in part the descendants of the 2001 introduction. There remains an imperative need for improved surveillance and control strategies for this species.

  6. Longitudinal Associations Between Ambient Air Pollution With Insulin Sensitivity, β-Cell Function, and Adiposity in Los Angeles Latino Children.

    Science.gov (United States)

    Alderete, Tanya L; Habre, Rima; Toledo-Corral, Claudia M; Berhane, Kiros; Chen, Zhanghua; Lurmann, Frederick W; Weigensberg, Marc J; Goran, Michael I; Gilliland, Frank D

    2017-07-01

    Evidence suggests that ambient air pollution (AAP) exposure may contribute to the development of obesity and type 2 diabetes. The objective of this study was to determine whether exposure to elevated concentrations of nitrogen dioxide (NO2) and particulate matter with aerodynamic diameter Los Angeles, CA, and followed for an average of 3.4 years (SD 3.1 years). Linear mixed-effects models were fitted to assess relationships between AAP exposure and outcomes after adjusting for covariates including body fat percent. Higher NO2 and PM2.5 were associated with a faster decline in SI and a lower SI at age 18 years, independent of adiposity. NO2 exposure negatively affected β-cell function, evidenced by a faster decline in disposition index (DI) and a lower DI at age 18 years. Higher NO2 and PM2.5 exposures over follow-up were also associated with a higher BMI at age 18 years. AAP exposure may contribute to development of type 2 diabetes through direct effects on SI and β-cell function. © 2017 by the American Diabetes Association.

  7. The prevalence of antibiotic-resistant bacteria (ARB) in waters of the Lower Ballona Creek Watershed, Los Angeles County, California.

    Science.gov (United States)

    Kawecki, Stephanie; Kuleck, Gary; Dorsey, John H; Leary, Christopher; Lum, Michelle

    2017-06-01

    Screening for the prevalence of antibiotic-resistant bacteria (ARB) was done at the Ballona Creek and Wetlands, an urban-impacted wetland system in Los Angeles, California. The goals were (1) to assess the overall prevalence of ARB, and (2) compare differences in ARB abundance and the types of antibiotic resistance (AR) among the following sample types: lagoon water from Del Rey Lagoon, urban runoff from Ballona Creek, and water from the Ballona Wetlands (tidal water flooding in from the adjacent estuary, and ebbing out from the salt marsh). Antibiotic resistance distributions were analyzed using the Kolmogorov-Smirnov test to develop the cumulative frequency of bacteria having resistance of up to eight antibiotics. Distributions from the environmental water samples were compared to unchlorinated secondary effluent from the Hyperion Water Reclamation Plant that was used as comparator samples likely to have an abundance of ARB. As expected, densities of total and ARB were highest in secondary effluent, followed by urban runoff. Samples of water flooding into the wetlands showed similar results to urban runoff; however, a reduction in densities of total and ARB occurred in water ebbing out of the wetlands. During preliminary work to identify ARB species, several bacterial species of relevance to human illness (e.g., Staphylococcus aureus, Enterococcus hirae, Pseudomonas aeruginosa, Aeromonas veronii, Enterobacter cancerogenus, Serratia marcescens, Pseudomonas stutzeri, and Staphylococcus intermedius) were isolated from sampled waters. If wetlands are a sink for ARB, construction and restoration of wetlands can help in the mediation of this human and environmental health concern.

  8. IGF1 genotype, mean plasma level and breast cancer risk in the Hawaii/Los Angeles multiethnic cohort.

    Science.gov (United States)

    DeLellis, K; Ingles, S; Kolonel, L; McKean-Cowdin, R; Henderson, B; Stanczyk, F; Probst-Hensch, N M

    2003-01-27

    The insulin-like growth factor 1 gene (IGF1) is a strong candidate gene for a breast cancer susceptibility model. We investigated a dinucleotide repeat 969 bp upstream from the transcription start site of the IGF1 gene for possible associations with plasma IGF1 levels and breast cancer risk in a multiethnic group of postmenopausal women. Furthermore, we investigated the relation between race/ethnicity, mean plasma IGF1 levels and breast cancer rates in the Hawaii/Los Angeles Multiethnic Cohort. The mean age-adjusted IGF1 level among Latino-American women, 116 ng ml(-1), was statistically significantly lower than the mean age-adjusted IGF1 levels for each of the three other racial/ethnic groups, African-American, Japanese-American and Non-Latino White women (146, 144 and 145 ng ml(-1), respectively) (PLatino-American women have the lowest breast cancer rates of any racial/ethnic group in the cohort. These results support the investigation of an expansion of the hypothesis for an important role of IGF1 in breast cancer tumorigenesis to different racial/ethnic groups and to postmenopausal women. It is unlikely that any involvement of IGF1 in breast cancer aetiology is mediated by the IGF1 dinucleotide repeat polymorphism, which was not significantly associated with circulating IGF1 levels nor breast cancer risk in this study. Research into relevant determinants of IGF1 levels in the blood must continue.

  9. Climatic consequences of adopting drought-tolerant vegetation over Los Angeles as a response to California drought

    Science.gov (United States)

    Vahmani, P.; Ban-Weiss, G.

    2016-08-01

    During 2012-2014, drought in California resulted in policies to reduce water consumption. One measure pursued was replacing lawns with landscapes that minimize water consumption, such as drought-tolerant vegetation. If implemented at broad scale, this strategy would result in reductions in irrigation and changes in land surface characteristics. In this study, we employ a modified regional climate model to assess the climatic consequences of adopting drought-tolerant vegetation over the Los Angeles metropolitan area. Transforming lawns to drought-tolerant vegetation resulted in daytime warming of up to 1.9°C, largely due to decreases in irrigation that shifted surface energy partitioning toward higher sensible and lower latent heat flux. During nighttime, however, adopting drought-tolerant vegetation caused mean cooling of 3.2°C, due to changes in soil thermodynamic properties and heat exchange dynamics between the surface and subsurface. Our results show that nocturnal cooling effects, which are larger in magnitude and of great importance for public health during heat events, could counterbalance the daytime warming attributed to the studied water conservation strategy. A more aggressive implementation, assuming all urban vegetation was replaced with drought-tolerant vegetation, resulted in an average daytime cooling of 0.2°C, largely due to strengthened sea breeze patterns, highlighting the important role of land surface roughness in this coastal megacity.

  10. Program directors' views of the effect of managed care on substance abuse programs in Los Angeles county.

    Science.gov (United States)

    McNeese-Smith, D K

    1998-10-01

    This study sought information about the effect of managed care on substance abuse treatment programs through a survey of program directors. Fifty program directors who supervised a total of 134 substance abuse treatment programs in Los Angeles County completed a survey during the period from January to May 1997 on program changes made in response to managed care, major concerns, the advantages and disadvantages of managed care, and plans for further program changes to succeed in the managed care environment. Program directors reported that the most frequent change made in response to managed care was increased outreach and marketing. Their greatest concern in the managed care environment was being forced to provide the least costly service, rather than the best care for patients. Respondents identified an increased focus on outcomes as an advantage of managed care and restrictions on services due to contractual agreements as a disadvantage. Planned program changes addressed the areas of program structure, types of programs offered, staff composition, revenue generation, referral sources, prevention, outcome measures, relationships with other organizations, and accreditation and certification. Although some substance abuse treatment programs seem to be reducing their scope or preparing to close in response to managed care, others are developing strategies to survive and even thrive in this new economic environment.

  11. An Innovative Project Breaks Down Barriers to Oral Health Care for Vulnerable Young Children in Los Angeles County.

    Science.gov (United States)

    Crall, James J; Illum, Jackie; Martinez, Ana; Pourat, Nadereh

    2016-06-01

    Despite the high rate of untreated tooth decay, many young children in California under six years of age have never been to a dentist. Numerous and complex barriers to access to oral health care for young children exist, and a multifaceted approach is required to improve receipt of preventive and treatment services that could improve the oral health of this population. This policy brief describes the UCLA-First 5 LA 21st Century Dental Homes Project, which was designed to improve oral health care for young children in 12 Federally Qualified Health Center (FQHC) clinic sites with co-located dental and primary care services and its accessibility in their service areas throughout Los Angeles County. The project funded infrastructure and staffing, provided technical assistance to improve operations, trained clinical personnel to provide oral health care to young children, implemented a quality improvement learning collaborative, trained parents and child care providers in oral hygiene and healthy habits, and disseminated information to promote effective policies. Early data on the project indicated twofold increases in delivery of both diagnostics and treatment visits for young children, and a threefold increase in preventive services for young children during the program.

  12. Stress, illness, and the social environment: depressive symptoms among first generation mandarin speaking Chinese in greater Los Angeles.

    Science.gov (United States)

    Li, Yueling; Hofstetter, C Richard; Irving, Veronica; Chhay, Doug; Hovell, Melbourne F

    2014-12-01

    This study documents the indirect effects of social and environmental variables as mediated by immigrant stress and physical health. Using data from a large dual frame sample of first generation mandarin speaking Chinese immigrants in metropolitan Los Angeles counties with the largest groups of Chinese immigrants, this study uses a path analytic approach to trace how predictors are related to depressive symptoms and to measure direct and indirect influences of variables. Although bivariate analyses suggested that many predictors were associated with depressive symptoms, multivariate path analysis revealed a more complex structure of mediated associations. In the multivariate path analysis only reports of physical health and immigrant stress were directly related to depressive symptoms (P citizenship, and distance of persons on whom one could rely were related to stress (but not to physical health status) and only to depressive symptoms as mediated by stress. Age and educational attainment were related to health status (and to stress as mediated by physical health) and to depressive symptoms as mediated by both health and stress. These variables were also unrelated directly to health status and to depressive symptoms. Associations were evaluated using statistical significance, P < 0.05. This study demonstrates the significance of stress and health as mediators of variables in the larger context of the physical environment and suggests that the mechanisms linking ecological characteristics of immigrants to depressive symptoms may be stress and physical health among immigrants.

  13. The Impact of Two Los Angeles County Teen Courts on Youth Recidivism: Comparing Two Informal Probation Programs

    Science.gov (United States)

    Gase, Lauren N; Kuo, Tony; Lai, Elaine; Stoll, Michael A; Ponce, Ninez

    2016-01-01

    Objective This study sought to examine the impact of two Teen Courts operating in Los Angeles County, a juvenile justice system diversion program in which youth are judged by their peers and given restorative sentences to complete during a period of supervision. Methods A quasi-experimental design was used to compare youth who participated in Teen Court (n=112) to youth who participated in another diversion program administered by the Probation Department (the 654 Contract program) (n=194). Administrative data were abstracted from Probation records for all youth who participated in these programs between January 1, 2012 and June 20, 2014. Logistic and survival models were used to examine differences in recidivism - measured as whether the minor had any subsequent arrest or arrests for which the charge was filed. Results Comparison group participants had higher rates of recidivism than Teen Court participants, after controlling for age, gender, race/ethnicity, and risk level. While the magnitude of the program effects were fairly consistent across model specifications (odd ratios comparing Teen Court [referent] to school-based 654 Contract ranging from 1.95 to 3.07, hazard ratios ranging from 1.62 to 2.27), differences were not statistically significant in all scenarios. Conclusions While this study provides modest support for the positive impact of Teen Court, additional research is needed to better understand how juvenile diversion programs can improve youth outcomes. PMID:27547171

  14. Overweight and obesity among low-income women in rural West Virginia and urban Los Angeles County.

    Science.gov (United States)

    Robles, Brenda; Frost, Stephanie; Moore, Lucas; Harris, Carole V; Bradlyn, Andrew S; Kuo, Tony

    2014-10-01

    We described the prevalence of overweight and obesity among low-income women in rural West Virginia (WV) and urban Los Angeles County (LA County). Both communities participated in the national Communities Putting Prevention to Work program during 2010-2012. In each community, we completed health assessments on adult women recruited from public-sector clinics serving low-income populations. All participants answered survey questions regarding socio-demographics and diets. In both jurisdictions, we assessed obesity using objectively measured height and weight (calculated BMI). As part of each community case study, we performed multivariable regression analyses to describe the relationships between overweight and obesity and selected covariates (e.g., dietary behaviors). Overweight and obesity were prevalent among low-income women from WV (73%, combined) and LA County (67%, combined). In both communities, race and ethnicity appeared to predict the two conditions; however, the associations were not robust. In LA County, for example, African American and Hispanic women were 1.4 times (95% CI=1.12, 1.81) more likely than white women to be overweight and obese. Collectively, these subpopulation health data served as an important guide for further planning of obesity prevention efforts in both communities. These efforts became a part of the subsequent Community Transformation Grants portfolio.

  15. Coastal upwelling linked to toxic Pseudo-nitzschia australis blooms in Los Angeles coastal waters, 2005-2007

    KAUST Repository

    Schnetzer, Astrid

    2013-06-10

    Harmful algal blooms dominated by the diatom Pseudo-nitzschia spp. have become a perennial but variable event within surface waters near the greater Los Angeles area. Toxic blooms during spring seasons from 2005 to 2007 varied strongly in their overall toxicity and duration. Differences in bloom dynamics were linked to differences in storm-induced river discharge following episodic rain events and coastal upwelling, both major coastal processes that led to the injection of nutrients into coastal surface waters. Heavy river runoff during early 2005, a record-rainfall year, favored a phytoplankton community mainly comprised of algal taxa other than Pseudo-nitzschia. The spring bloom during 2005 was associated with low domoic acid surface concentrations and minor contributions of (mainly) P. delicatissima to the diatom assemblage. In contrast, highly toxic P. australis-dominated blooms during spring seasons of 2006 and 2007 were linked to strong upwelling events. River discharge quotas in 2006 and 2007, in contrast to 2005, fell well below annual averages for the region. Surface toxin levels were linked to colder, more saline (i.e. upwelled) water over the 3-year study, but no such consistent relationship between domoic acid levels and other physiochemical parameters, such as macronutrient concentrations or nutrient ratios, was observed. © The Author 2013. Published by Oxford University Press. All rights reserved.

  16. Aerosol Light Absorption and Scattering in Mexico City: Comparison With Las Vegas, NV, and Los Angeles, CA.

    Science.gov (United States)

    Paredes-Miranda, G.; Arnott, W. P.; Gaffney, J. S.; Marley, N. A.; Campbell, D.; Fujita, E.

    2007-12-01

    Aerosol light scattering and absorption measurements were deployed in and near Mexico City in March 2006 as part of the Megacity Impacts on Regional and Global Environments (MIRAGE). The primary site in Mexico City was an urban site at Instituto Mexicano del Petroleo (Mexican Oil Institute, denoted by IMP). Similar campaigns were held in Las Vegas, NV in January-February, 2003; and Los Angeles, CA at numerous sites during all seasons from 2003 through 2007. The IMP site gave in-situ characterization of the Mexico City plume under favorable wind conditions. The photoacoustic instrument (PAS) used at IMP operates at 532 nm, and conveniently allowed for characterization of gaseous absorption at this wavelength as well. Light scattering measurements are accomplished within the PAS by the reciprocal nephelometery method. In Mexico City the aerosol absorption coefficient typically varies between 20 and 180 Mm-1 during the course of the day and significant diurnal variation of the aerosol single scattering albedo was observed probably as a consequence of secondary aerosol formation. We will present the diurnal variation of the scattering and absorption as well as the single scattering albedo and fraction of absorption due to gases at the IMP site and compare with Las Vegas diurnal variation. Mexico City 'breaths' more during the course of the day than Las Vegas, Nevada in part because the latitude of Mexico City resulted in more direct solar radiation. Further insight on the meteorological connections and population dynamics will be discussed.

  17. Water-soluble organic aerosol in the Los Angeles Basin and outflow regions: Airborne and ground measurements during the 2010 CalNex field campaign

    OpenAIRE

    Duong, Hanh T.; Sorooshian, Armin; Craven, Jill S.; Hersey, Scott P.; Metcalf, Andrew R.; Zhang, Xiaolu; Weber, Rodney J.; Jonsson, Haflidi; Flagan, Richard C.; Seinfeld, John H.

    2011-01-01

    A particle‐into‐liquid sampler coupled to a total organic carbon analyzer (PILS‐TOC) quantified particulate water‐soluble organic carbon (WSOC) mass concentrations during the May 2010 deployment of the Center for Interdisciplinary Remotely Piloted Aircraft Studies (CIRPAS) Twin Otter in the CalNex field study. WSOC data collected during 16 flights provide the first spatiotemporal maps of WSOC in the San Joaquin Valley, Los Angeles Basin, and outflow regions of the Basin. WSOC w...

  18. Source proximity and meteorological effects on residential outdoor VOCs in urban areas: Results from the Houston and Los Angeles RIOPA studies.

    Science.gov (United States)

    Kwon, Jaymin; Weisel, Clifford P; Morandi, Maria T; Stock, Thomas H

    2016-12-15

    Concentrations of volatile organic compounds (VOCs) measured outside homes in Houston, TX and Los Angeles, CA were characterized by the effects of source proximity and meteorological factors. Benzene, toluene, ethylbenzene, m,p-xylene, o-xylene (BTEX), methyl tert butyl ether (MTBE), tetrachloroethylene (perchloroethylene, PCE), and carbon tetrachloride (CCl4) were examined. Multiple stepwise regression analysis converged the best-fit models with predictors from meteorological conditions and the proximity to specific point, area, and mobile sources on the residential outdoor VOC concentrations. Negative associations of wind speed with concentrations demonstrated the effect of dilution by high wind speed. Atmospheric stability increase was associated with concentration increase. Petrochemical source proximity was a significant predictor for BTEX and MTBE concentrations in Houston. Ethylbenzene and xylene source proximity was a significant predictor in Los Angeles. Close proximity to area sources such as scrap metal recycling or dry cleaning facilities increased the MTBE, PCE, and CCl4 concentrations in Houston and Los Angeles. Models for ethylbenzene, m,p-xylene, and MTBE in Houston, and benzene in Los Angeles explained that for the median values of the meteorological factors, homes closest to influential highways would have concentrations that were 1.7-2.2 fold higher than those furthest from these mobile emission sources. If the median distance to sources were used in the models, the VOC concentrations varied 1.7 to 6.6 fold as the meteorological conditions varied over the observed range. These results highlight that each urban area is unique and localized sources need to be carefully evaluated to understand potential contributions to VOC air concentrations near residences, which influence baseline indoor air concentrations and personal exposures. Results of this study could assist in the appropriate design of monitoring networks for community-level sampling. They

  19. Domestic Catastrophes Flow Through Six Distinct Phases: An Analysis of the Los Angeles Riots of 1992 and Hurricane Katrina in 2005

    Science.gov (United States)

    2010-04-12

    libraries, shopping malls and many businesses are shut down for the day. Cal State Los Angeles, Dominguez Hills and Northridge cancel classes. Final exams...medical airlift. 101 Military personnel performed other missions including search and rescue, security, evacuations, food and water distribution...34The demonstration outside Parker Center turns violent as the crowd throws rocks, smashes windows and torches a kiosk . Other demonstrators vandalize

  20. Molecular Characterization of Organosulfates in Organic Aerosols from Shanghai and Los Angeles Urban Areas by Nanospray-Desorption Electrospray Ionization High-Resolution Mass Spectrometry

    Energy Technology Data Exchange (ETDEWEB)

    Tao, Shikang; Lu, Xiaohui; Levac, Nicole; Bateman, Adam P.; Nguyen, Tran B.; Bones, David L.; Nizkorodov, Sergey A.; Laskin, Julia; Laskin, Alexander; Yang, Xin

    2014-09-16

    Aerosol samples collected in the urban areas of Shanghai and Los Angeles were analyzed by nanospray-desorption electrospray ionization mass spectrometry (nano-DESI MS) with high mass resolution (m/Δm=100,000). Solvent mixtures of acetonitrile/water and acetonitrile/toluene were used to extract and ionize polar and non-polar compounds, respectively. A diverse mixture of oxygenated hydrocarbons, organosulfates, organonitrates, and organics with reduced nitrogen were detected in the Los Angeles sample. Majority of the organics in the Shanghai sample were detected as organosulfates. The dominant organosulfates in the two samples have distinctly different molecular characteristics. Specifically, organosulfates in the Los Angeles sample were dominated by isoprene- or monoterpene-derived products, while organosulfates of yet unknown origin in the Shanghai sample had distinctive characteristics of long aliphatic carbon chains and low degree of oxidation and unsaturation. The use of acetonitrile/toluene solvent facilitated identification of this type of organosulfates, suggesting they could be missed in previous studies relying on sample extraction using common polar solvents. The high molecular weight and low degree of unsaturation and oxidization of the organosulfates detected in the Shanghai sample suggest that they may act as surfactants, and plausibly affect the surface tension and hygroscopicity of the atmospheric particulate matter. We propose that direct esterification of carbonyl or hydroxyl compounds by sulfates or sulfuric acid in liquid phase could be the formation pathway of these special organosulfates. Finally, long-chain alkanes from vehicle emissions might be their precursors.

  1. Top-down estimate of anthropogenic emission inventories of CO,NOx and CO2 in Los Angeles basin in 2010

    Science.gov (United States)

    Brioude, J.; Angevine, W. M.; Ahmadov, R.; Kim, S.; Pollack, I. B.; Peischl, J.; Ryerson, T. B.; Holloway, J. S.; McKeen, S. A.; Parrish, D. D.; Trainer, M.

    2012-12-01

    The CALNEX intensive field campaign took place in California in May-June 2010. Several flights of the NOAA WP-3 research aircraft were dedicated to characterizing surface emission in the Los Angeles Basin. We present top-down estimates of anthropogenic CO, NOx and CO2 surface flux emission in the Los Angeles Basin using the FLEXPART Lagrangian particle dispersion model in combination with different WRF mesoscale model runs. The 4-km resolution US EPA National Emission Inventory 2005 is used as a prior to constrain CO and NOx estimates. The flux ratio inversion method, a method that uses linear relationships between chemical species, is used to calculate the CO2 emission inventory without prior knowledge of CO2 surface fluxes. The posterior estimates are validated by comparing the measured and simulated slopes between those chemical species. Uncertainties in the transport models are discussed. Differences between the prior and posterior estimates of CO and NOx are discussed. Differences in surface emission between weekdays and weekends are presented. A flight during ITCT in 2002 is also used to estimate CO,NOx and CO2 emissions in the Los Angeles basin in 2002. The posterior estimates for 2002 and 2010 are compared and discussed with known trends in anthropogenic emissions.

  2. Diabetes mellitus caused by mutations in human insulin: analysis of impaired receptor binding of insulins Wakayama, Los Angeles and Chicago using pharmacoinformatics.

    Science.gov (United States)

    Islam, Md Ataul; Bhayye, Sagar; Adeniyi, Adebayo A; Soliman, Mahmoud E S; Pillay, Tahir S

    2017-03-01

    Several naturally occuring mutations in the human insulin gene are associated with diabetes mellitus. The three known mutant molecules, Wakayama, Los Angeles and Chicago were evaluated using molecular docking and molecular dynamics (MD) to analyse mechanisms of deprived binding affinity for insulin receptor (IR). Insulin Wakayama, is a variant in which valine at position A3 is substituted by leucine, while in insulin Los Angeles and Chicago, phenylalanine at positions B24 and B25 is replaced by serine and leucine, respectively. These mutations show radical changes in binding affinity for IR. The ZDOCK server was used for molecular docking, while AMBER 14 was used for the MD study. The published crystal structure of IR bound to natural insulin was also used for MD. The binding interactions and MD trajectories clearly explained the critical factors for deprived binding to the IR. The surface area around position A3 was increased when valine was substituted by leucine, while at positions B24 and B25 aromatic amino acid phenylalanine replaced by non-aromatic serine and leucine might be responsible for fewer binding interactions at the binding site of IR that leads to instability of the complex. In the MD simulation, the normal mode analysis, rmsd trajectories and prediction of fluctuation indicated instability of complexes with mutant insulin in order of insulin native insulin insulin Chicago insulin Los Angeles insulin Wakayama molecules which corresponds to the biological evidence of the differing affinities of the mutant insulins for the IR.

  3. Nuevo edificio de la Lincoln Savings, en Los Angeles, California, (U.S.A.

    Directory of Open Access Journals (Sweden)

    Deasy & Boiling, Arquitectos

    1968-03-01

    Full Text Available The building has eight floor levels devoted to the main functions of the bank, a ninth storey houses various services, and a car park is located in the basement. The ground floor is highly diaphanous and is occupied by those departments that are more intimately related with the outside public. The second floor is devoted to banking and credit operations. There is a museum on the seventh floor, and a dining hall on the eighth, as well as a cafeteria and a social zone for the staff. The remaining floor space has been let for offices to a number of commercial firms. The structure and external aspect are outstanding because of their originality.El edificio consta de ocho plantas en servicio; una novena, que alberga los equipos mecánicos; y un sótano, destinado a aparcamiento. La planta baja, que goza de una gran diafanidad, aloja los servicios que exigen un contacto más frecuente con el público; en la segunda, las secciones en las que se desarrollan las operaciones de crédito y bancarias; en la planta séptima, el museo; y en la octava, el comedor, la cafetería y zona social para empleados. Las restantes plantas han sido alquiladas para oficinas de diversas firmas y empresas comerciales. Son de destacar, la estructura y el tratamiento de fachadas, de indudable gracia y originalidad.

  4. Testing 3D fault configuration in the northern Los Angeles basin, California via patterns of rock uplift the since 2.9 Ma

    Science.gov (United States)

    Cooke, M.; Meigs, A.; Marshall, S.

    2004-12-01

    Competing models of three-dimensional fault topology, starting from the Southern California Earthquake Center (SCEC) Community Fault Model (CFM), were tested for viability using numerical Boundary Element Method (BEM) models and patterns of rock uplift by folds in the northern Los Angeles basin Los Angeles basin. Thirteen structural cross-sections constrained by well and outcrop data were used to compile a structure contour map of the base of the Pico Formation (2.9 Ma) across about 50 km of the northern Los Angeles basin from the Coyote Hills on the east to Pacific Palisades on the west. A map of rock uplift rate was constructed from these data by measuring the structural relief relative to the central trough of the Los Angeles basin, a long-lived northwest-trending structural low that lies to the northeast of the Newport-Inglewood fault. BEM models of 3D fault topology were used to generate uplift rates over the same region using North-South contraction at 100 nanostrain/year. A suite of models investigate the sensitivity of uplift patterns to 1) dip of blind thrust faults (e.g. Las Cienegas and Elysian Park), 2) presence of low-angle (20 degree) thrust ramp below 10 km depths 3) regional extent of this low-angle ramp and 4) inclusion of near surface splays of the Santa Monica fault. Model-data compatibility was evaluated on the basis of structural trend, spatial variation in rates and location of major structures (i.e. key near surface folds). All models are consistent with the location and uplift pattern of the Coyote Hills and Santa Fe Springs structures, the location and orientation of the central trough, and a North-trending structure separating Santa Fe Springs on the east from Montebello to the northwest. Incorporation of the low-angle ramp below 10 km depth that is regionally extensive (i.e. many faults sole into this fault) improves model and geologic uplift compatibility. Furthermore, steepening the Las Cienegas and Elysian Park faults to 60 degrees

  5. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Capital Hotel Mid-Autumn Festival is a time for reunion with family and loved ones. Treat them to a special gift-Capital Hotel moon cakes. This year we present six types of moon cakes, including both traditional favorites and new specialties. Tasty delicacies in fine gift packing, Capital Hotel moon cakes are also an ideal choice for your business associates. For more information or orders, please contact us at 86-10-58159988 ext. 3401/3240.

  6. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    The Westin Beijing Financial Street The Westin Beijing Financial Street won the Best Business Hotel award again this year at the Travel and Meeting Industry Awards 2010 by Travel Weekly China.This is the hotel’s fourth consecutive win of the Best Business Hotel award at the annual event.It is the first and only hotel in China to achieve this status.

  7. Is More Necessarily Better? Leadership and Organizational Development of Migrant Hometown Associations in Los Angeles, California

    Directory of Open Access Journals (Sweden)

    Luis Escala Rabadán

    2011-01-01

    Full Text Available Las asociaciones de paisanos en Estados Unidos son grupos de migrantes voluntarios basados en un sentimiento compartido de pertenencia a una región en un país de origen distinto. Sus actividades han llamado cada vez más la atención de instancias gubernamentales y de actores sociales y políticos. Estos actores han favorecido la formación de más de estos grupos, junto con una creciente demanda sobre ellos para que expandan sus compromisos cívicos. Sin embargo, esta estrategia no conduce necesariamente a ello, e incluso podría disminuir la capacidad organizativa de las asociaciones. A partir de un programa piloto basado en la formación de capacidades con asociaciones de migrantes latinos en Los Ángeles, aquí argumentamos que se requiere una estrategia distinta para que las HTAS amplíen su capacidad organizativa.

  8. Hotel Eden Roc

    Directory of Open Access Journals (Sweden)

    Lapidus, Morris

    1958-03-01

    Full Text Available Las playas de Miami son uno de los centros de diversión más importantes de los Estados Unidos. A lo largo de ellas se multiplican los hoteles, rivalizando para ofrecer a sus clientes confort, comodidades y esparcimientos de todo género. Durante un año se trabajó en la construcción del hotel Edén Roc, uno de los más recientes. Se edificó en un solar de forma rectangular, cuyos lados menores están definidos por la Avenida Collins y el Océano. Si dividimos la parcela por una de sus diagonales, uno de los triángulos, el de base en la Avenida Collins, nos define aproximadamente el espacio ocupado por las construcciones en altura, y el otro, que tiene su base en el Atlántico, la zona de esparcimientos.

  9. The Break Up: Evaluation of an Anti-Smoking Educational Campaign for Lesbians, Gays, and Bisexuals in Los Angeles County.

    Science.gov (United States)

    Plant, Aaron; Montoya, Jorge A; Tyree, Rachel; Aragon, Linda; Weber, Mark; Le Veque, Matthew; Anderson, Christopher M; Soler, Robin E; Kent, Charlotte

    2017-01-01

    Lesbian, gay, and bisexual (LGB) adults in the United States have a higher prevalence of smoking than their heterosexual counterparts. In 2013, the Los Angeles County Department of Public Health launched a social marketing and outreach campaign called Break Up to reduce the prevalence of smoking in LGB communities. Break Up was evaluated using cross-sectional, street-intercept surveys before and near the end of campaign. Surveys measured demographics, campaign awareness, and self-reported smoking-related outcomes. Bivariate statistics and logistic regression models were used to identify whether campaign awareness was associated with smoking-related outcomes. Calls by LGB persons to a smokers' helpline were also measured. Among those interviewed at endline, 32.7% reported Break Up awareness. Awareness was associated with thinking of quitting smoking and ever taking steps to quit but not with smoking cessation (defined as not smoking in the past 30 days among those who had smoked in the past 6 months). There was a 0.7% increase in the percentage of weekly calls by LGB persons to the helpline in the year after the campaign. Break Up reached about a third of its intended audience. The campaign was associated with smoking cessation precursors and may have led to an increase in helpline utilization, but there is no evidence it affected quit attempts. This study adds to the limited literature on tobacco programs for LGB persons and, as far as we know, is one of the first to evaluate tobacco-free social marketing in this important yet understudied population.

  10. Micrometeorological simulations to predict the impacts of heat mitigation strategies on pedestrian thermal comfort in a Los Angeles neighborhood

    Science.gov (United States)

    Taleghani, Mohammad; Sailor, David; Ban-Weiss, George A.

    2016-02-01

    The urban heat island impacts the thermal comfort of pedestrians in cities. In this paper, the effects of four heat mitigation strategies on micrometeorology and the thermal comfort of pedestrians were simulated for a neighborhood in eastern Los Angeles County. The strategies investigated include solar reflective ‘cool roofs’, vegetative ‘green roofs’, solar reflective ‘cool pavements’, and increased street-level trees. A series of micrometeorological simulations for an extreme heat day were carried out assuming widespread adoption of each mitigation strategy. Comparing each simulation to the control simulation assuming current land cover for the neighborhood showed that additional street-trees and cool pavements reduced 1.5 m air temperature, while cool and green roofs mostly provided cooling at heights above pedestrian level. However, cool pavements increased reflected sunlight from the ground to pedestrians at a set of unshaded receptor locations. This reflected radiation intensified the mean radiant temperature and consequently increased physiological equivalent temperature (PET) by 2.2 °C during the day, reducing the thermal comfort of pedestrians. At another set of receptor locations that were on average 5 m from roadways and underneath preexisting tree cover, cool pavements caused significant reductions in surface air temperatures and small changes in mean radiant temperature during the day, leading to decreases in PET of 1.1 °C, and consequent improvements in thermal comfort. For improving thermal comfort of pedestrians during the afternoon in unshaded locations, adding street trees was found to be the most effective strategy. However, afternoon thermal comfort improvements in already shaded locations adjacent to streets were most significant for cool pavements. Green and cool roofs showed the lowest impact on the thermal comfort of pedestrians since they modify the energy balance at roof level, above the height of pedestrians.

  11. Emergency Assessment of Debris-Flow Hazards from Basins Burned by the 2007 Buckweed Fire, Los Angeles County, Southern California

    Science.gov (United States)

    Cannon, Susan H.; Gartner, Joseph E.; Michael, John A.; Bauer, Mark A.; Stitt, Susan C.; Knifong, Donna L.; McNamara, Bernard J.; Roque, Yvonne M.

    2007-01-01

    INTRODUCTION The objective of this report is to present a preliminary emergency assessment of the potential for debris-flow generation from basins burned by the Buckweed Fire in Los Angeles County, southern California in 2007. Debris flows are among the most hazardous geologic phenomena; debris flows that followed wildfires in southern California in 2003 killed 16 people and caused tens of millions of dollars of property damage. A short period of even moderate rainfall on a burned watershed can lead to debris flows. Rainfall that is normally absorbed into hillslope soils can run off almost instantly after vegetation has been removed by wildfire. This causes much greater and more rapid runoff than is normal from creeks and drainage areas. Highly erodible soils in a burn scar allow flood waters to entrain large amounts of ash, mud, boulders, and unburned vegetation. Within the burned area and downstream, the force of rushing water, soil, and rock can destroy culverts, bridges, roadways, and buildings, potentially causing injury or death. This emergency debris-flow hazard assessment is presented as relative ranking of the predicted median volume of debris flows that can issue from basin outlets in response to 2.25 inches (57.15 mm) of rainfall over a 3-hour period. Such a storm has a 10-year return period. The calculation of debris flow volume is based on a multiple-regression statistical model that describes the median volume of material that can be expected from a recently burned basin as a function of the area burned at high and moderate severity, the basin area with slopes greater than or equal to 30 percent, and triggering storm rainfall. Cannon and others (2007) describe the methods used to generate the hazard maps. Identification of potential debris-flow hazards from burned drainage basins is necessary to issue warnings for specific basins, to make effective mitigation decisions, and to help plan evacuation timing and routes.

  12. Emergency Assessment of Debris-Flow Hazards from Basins Burned by the 2007 Canyon Fire, Los Angeles County, Southern California

    Science.gov (United States)

    Cannon, Susan H.; Gartner, Joseph E.; Michael, John A.; Bauer, Mark A.; Stitt, Susan C.; Knifong, Donna L.; McNamara, Bernard J.; Roque, Yvonne M.

    2007-01-01

    INTRODUCTION The objective of this report is to present a preliminary emergency assessment of the potential for debris-flow generation from basins burned by the Canyon Fire in Los Angeles County, southern California in 2007. Debris flows are among the most hazardous geologic phenomena; debris flows that followed wildfires in southern California in 2003 killed 16 people and caused tens of millions of dollars of property damage. A short period of even moderate rainfall on a burned watershed can lead to debris flows. Rainfall that is normally absorbed into hillslope soils can run off almost instantly after vegetation has been removed by wildfire. This causes much greater and more rapid runoff than is normal from creeks and drainage areas. Highly erodible soils in a burn scar allow flood waters to entrain large amounts of ash, mud, boulders, and unburned vegetation. Within the burned area and downstream, the force of rushing water, soil, and rock can destroy culverts, bridges, roadways, and buildings, potentially causing injury or death. This emergency debris-flow hazard assessment is presented as relative ranking of the predicted median volume of debris flows that can issue from basin outlets in response to 2.25 inches (57.15 mm) of rainfall over a 3-hour period. Such a storm has a 10-year return period. The calculation of debris flow volume is based on a multiple-regression statistical model that describes the median volume of material that can be expected from a recently burned basin as a function of the area burned at high and moderate severity, the basin area with slopes greater than or equal to 30 percent, and triggering storm rainfall. Cannon and others (2007) describe the methods used to generate the hazard maps. Identification of potential debris-flow hazards from burned drainage basins is necessary to issue warnings for specific basins, to make effective mitigation decisions, and to help plan evacuation timing and routes.

  13. Obesity is associated with breast cancer in African-American women but not Hispanic women in South Los Angeles.

    Science.gov (United States)

    Sarkissyan, Marianna; Wu, Yanyuan; Vadgama, Jaydutt V

    2011-08-15

    Obesity is considered a risk factor for breast cancer. Modifying life styles that reduce obesity offers the potential for prevention and improved outcomes from cancer. The effects of obesity and breast cancer among African-American women and Hispanic women have been explored in a limited number of studies. The objective of the current study was to investigate the association of obesity with breast cancer in a minority cohort. This was a cross-sectional study of 471 African-American and Hispanic women with and without breast cancer in South Los Angeles. Data regarding body mass index (BMI) and clinical factors were obtained by medical record abstraction. Data were assessed using logistic regression with multivariate analysis. Kaplan-Meier survival analysis was used to assess disease-free survival. Women with breast cancer were more likely to be obese (BMI >30 kg/m(2)) than women without breast cancer (odds ratio [OR], 2.0; P = .01). There was a significant association of being overweight or obese and breast cancer among postmenopausal women (OR, 2.3 [P = .03] and 2.9 [P association between obesity and breast cancer was significant only among African-American women (OR, 2.70; P association between obesity and later disease stage at diagnosis (P = .06). An association also was observed between higher BMI (for cutoff points of both 30 kg/m(2) and 28 kg/m(2)) and poorer disease-free survival (P = .045 and P = .019, respectively). The current data suggested an association between obesity and breast cancer, especially among postmenopausal women and most significantly in the African-American cohort. Copyright © 2011 American Cancer Society.

  14. The Distribution of Fault Slip Rates and Oblique Slip Patterns in the Greater Los Angeles, CA Region

    Science.gov (United States)

    Harper, H.; Marshall, S. T.

    2014-12-01

    The Los Angeles basin is host to a complex network of active strike-slip, reverse, and oblique slip faults. Because of the large metropolitan region occupying the basin, even moderately large earthquakes (M6+) pose a significant natural hazard. Since geologic estimates have not fully characterized the distribution of active fault slip rates in the region, we use a mechanical model driven by geodetically-measured shortening rates to calculate the full three-dimensional fault slip rate distributions in the region. The modeled nonplanar fault geometries are relatively well-constrained, and use data from the SCEC community fault model. Area-weighted average fault slip rates predicted by the model match previously measured geologic slip rates in most cases; however, some geologic measurements were made in locations where the slip rate is non-characteristic of the fault (e.g. near a fault tip) and the geologic slip rate estimate disagrees with the model-predicted average slip rate. The largest discrepancy between the model predictions and geologic estimates occurs on the Sierra Madre fault, which has a model-predicted slip rate approximately 2 mm/yr greater than the geologic estimates. An advantage of the model is that it can predict the full three-dimensional mechanically compatible slip distribution along all modeled faults. The fault surface slip distribution maps show complex oblique slip patterns that arise due to the nonplanar geometries and mechanical interactions between intersecting and neighboring faults. For example, the Hollywood fault exhibits a net slip of 0.7 mm/yr at depth which increases to 1.6 mm/yr where it is intersected by the Santa Monica fault in the near-surface. Model results suggest that nearly all faults in the region have an oblique component of slip at depth, so slip rate estimates of only dip or strike-slip may underestimate the total net slip rates and seismic hazards in the region.

  15. Predictors of public support for nutrition-focused policy, systems and environmental change strategies in Los Angeles County, 2013

    Science.gov (United States)

    Robles, Brenda; Kuo, Tony

    2017-01-01

    Background Since 2010, federal and local agencies have invested broadly in a variety of nutrition-focused policy, systems and environmental change (PSE) initiatives in Los Angeles County (LAC). To date, little is known about whether the public supports such efforts. We address this gap in the literature by examining predictors of support for a variety of PSEs. Methods Voters residing in LAC (n=1007) were randomly selected to participate in a cross-sectional telephone survey commissioned by the LAC Department of Public Health. The survey asked questions about attitudes towards the obesity epidemic, nutrition knowledge and behaviours, public opinions about changing business practices/government policies related to nutrition, and sociodemographics. A factor analysis informed outcome variable selection (ie, type of PSEs). Multivariable regression analyses were performed to examine predictors of public support. Predictors in the regression models included (primary regressor) community economic hardship; (control variables) political affiliation, sex, age, race and income; and (independent variables) perceptions about obesity, perceived health and weight status, frequency reading nutrition labels, ease of finding healthy and unhealthy foods, and food consumption behaviours (ie, fruit and vegetables, non-diet soda, fast-food and sit-down restaurant meals). Results 3 types of PSE outcome variables were identified: promotional/incentivising, limiting/restrictive and business practices. Community economic hardship was not found to be a significant predictor of public support for any of the 3 PSE types. However, Republican party affiliation, being female and perceiving obesity as a serious health problem were. Conclusions These findings have implications for public health practice and community planning in local health jurisdictions. PMID:28087545

  16. Urban Heat Island Variation across a Dramatic Coastal to Desert Climate Zone: An Application to Los Angeles, CA Metropolitan Area

    Science.gov (United States)

    Tayyebi, A.; Jenerette, D.

    2015-12-01

    Urbanization is occurring at an unprecedented rate across the globe. The resulting urban heat island (UHI), which is a well-known phenomenon in urban areas due to the increasing number and density of buildings, leads to higher temperature in urban areas than surrounding sub-urban or rural areas. Understanding the effects of landscape pattern on UHI is crucial for improving the sustainability of cities and reducing heat vulnerability. Although a variety of studies have quantified UHI, there are a lack of studies to 1) understand UHI variation at the micro-scale (e.g., neighborhood effect) for large urban areas and 2) identify variation in the sensitivity of the UHI to environmental drivers across a megacity with a pronounced climate zone (i.e. coastal to desert climates) using advanced analytical tools. In this study, we identified the interacting relationship among various environmental and socio-economic factors to better identify UHI over the Los Angeles, CA metropolitan area. We used structural equation modeling (SEM) to quantify the interacting relationships among land surface temperature (LST), land cover (NDVI), distance to ocean, elevation, and socio-economic status (neighborhood income). LST-NDVI slopes were negative across the climate zones and became progressively stronger with increasing distance from the coast. Results also showed that slopes between NDVI and neighborhood income were positive throughout the climate zone with a maximum in the relationship occurring near 25km from the coast. Because of these income-NDVI and NDVI-LST relationships we also found that slopes between LST and neighborhood income were negative throughout the climate zones and peaked at about 30km from the coast. These findings suggest assessments of urban heat vulnerability need to consider not only variation in the indicators but also variation in how the indicators influence vulnerability.

  17. Field Validation of the Los Angeles Motor Scale as a Tool for Paramedic Assessment of Stroke Severity.

    Science.gov (United States)

    Kim, Joon-Tae; Chung, Pil-Wook; Starkman, Sidney; Sanossian, Nerses; Stratton, Samuel J; Eckstein, Marc; Pratt, Frank D; Conwit, Robin; Liebeskind, David S; Sharma, Latisha; Restrepo, Lucas; Tenser, May-Kim; Valdes-Sueiras, Miguel; Gornbein, Jeffrey; Hamilton, Scott; Saver, Jeffrey L

    2017-02-01

    The Los Angeles Motor Scale (LAMS) is a 3-item, 0- to 10-point motor stroke-deficit scale developed for prehospital use. We assessed the convergent, divergent, and predictive validity of the LAMS when performed by paramedics in the field at multiple sites in a large and diverse geographic region. We analyzed early assessment and outcome data prospectively gathered in the FAST-MAG trial (Field Administration of Stroke Therapy-Magnesium phase 3) among patients with acute cerebrovascular disease (cerebral ischemia and intracranial hemorrhage) within 2 hours of onset, transported by 315 ambulances to 60 receiving hospitals. Among 1632 acute cerebrovascular disease patients (age 70±13 years, male 57.5%), time from onset to prehospital LAMS was median 30 minutes (interquartile range 20-50), onset to early postarrival (EPA) LAMS was 145 minutes (interquartile range 119-180), and onset to EPA National Institutes of Health Stroke Scale was 150 minutes (interquartile range 120-180). Between the prehospital and EPA assessments, LAMS scores were stable in 40.5%, improved in 37.6%, and worsened in 21.9%. In tests of convergent validity, against the EPA National Institutes of Health Stroke Scale, correlations were r=0.49 for the prehospital LAMS and r=0.89 for the EPA LAMS. Prehospital LAMS scores did diverge from the prehospital Glasgow Coma Scale, r=-0.22. Predictive accuracy (adjusted C statistics) for nondisabled 3-month outcome was as follows: prehospital LAMS, 0.76 (95% confidence interval 0.74-0.78); EPA LAMS, 0.85 (95% confidence interval 0.83-0.87); and EPA National Institutes of Health Stroke Scale, 0.87 (95% confidence interval 0.85-0.88). In this multicenter, prospective, prehospital study, the LAMS showed good to excellent convergent, divergent, and predictive validity, further establishing it as a validated instrument to characterize stroke severity in the field. © 2017 American Heart Association, Inc.

  18. Abrasion Properties of Steel Fiber Reinforced Silica Fume Concrete According to Los Angeles and Water Abrasion Tests

    Directory of Open Access Journals (Sweden)

    Tsan-Ching CHENG

    2014-12-01

    Full Text Available The current study mainly investigated the influence of different tests on the abrasion resistance of concrete mixed with steel fibers and silica fume. The abrasion resistance was assessed at 28, 56 and 91 days on concretes with water-binder ratios of 0.35 and 0.55 where in some mixes silica fume was substituted by 5 % of cement by weight. Steel fibers of 0.5 % and 1.0 % of concrete volume were also added into the test concrete by replacement of coarse and fine aggregates. The results showed that concrete with higher compressive strength in Los Angeles abrasion tests also had better abrasion resistance. The inclusion of steel fibers into test concrete with a water-binder ratio of 0.35 resulted in a significant increase in compressive strength. This concrete also displayed better abrasion resistance and splitting tensile strength than reference concrete; in the test sample with a water-binder ratio of 0.55, the added steel fibers was unable to effectively produce cementation with the concrete. The inclusion of silica fume improved the abrasion resistance of concretes. In water abrasion testing, the abrasion resistance of concrete containing steel fiber was worse than that of concrete without steel fibers. In the water abrasion testing, the surface of steel fiber reinforced concrete was eroded by water and steel balls, and the impact caused the steel fibers to separate from the concrete and led to higher wear loss. DOI: http://dx.doi.org/10.5755/j01.ms.20.4.6460

  19. Abrasion Properties of Steel Fiber Reinforced Silica Fume Concrete According to Los Angeles and Water Abrasion Tests

    Directory of Open Access Journals (Sweden)

    Tsan-Ching CHENG

    2014-12-01

    Full Text Available The current study mainly investigated the influence of different tests on the abrasion resistance of concrete mixed with steel fibers and silica fume. The abrasion resistance was assessed at 28, 56 and 91 days on concretes with water-binder ratios of 0.35 and 0.55 where in some mixes silica fume was substituted by 5 % of cement by weight. Steel fibers of 0.5 % and 1.0 % of concrete volume were also added into the test concrete by replacement of coarse and fine aggregates. The results showed that concrete with higher compressive strength in Los Angeles abrasion tests also had better abrasion resistance. The inclusion of steel fibers into test concrete with a water-binder ratio of 0.35 resulted in a significant increase in compressive strength. This concrete also displayed better abrasion resistance and splitting tensile strength than reference concrete; in the test sample with a water-binder ratio of 0.55, the added steel fibers was unable to effectively produce cementation with the concrete. The inclusion of silica fume improved the abrasion resistance of concretes. In water abrasion testing, the abrasion resistance of concrete containing steel fiber was worse than that of concrete without steel fibers. In the water abrasion testing, the surface of steel fiber reinforced concrete was eroded by water and steel balls, and the impact caused the steel fibers to separate from the concrete and led to higher wear loss. DOI: http://dx.doi.org/10.5755/j01.ms.20.4.6460

  20. Tourism and hotel revenues before and after passage of smoke-free restaurant ordinances.

    Science.gov (United States)

    Glantz, S A; Charlesworth, A

    1999-05-26

    Claims that ordinances requiring smoke-free restaurants will adversely affect tourism have been used to argue against passing such ordinances. Data exist regarding the validity of these claims. To determine the changes in hotel revenues and international tourism after passage of smoke-free restaurant ordinances in locales where the effect has been debated. Comparison of hotel revenues and tourism rates before and after passage of 100% smoke-free restaurant ordinances and comparison with US hotel revenue overall. Three states (California, Utah, and Vermont) and 6 cities (Boulder, Colo; Flagstaff, Ariz; Los Angeles, Calif; Mesa, Ariz; New York, NY; and San Francisco, Calif) in which the effect on tourism of smoke-free restaurant ordinances had been debated. Hotel room revenues and hotel revenues as a fraction of total retail sales compared with preordinance revenues and overall US revenues. In constant 1997 dollars, passage of the smoke-free restaurant ordinance was associated with a statistically significant increase in the rate of change of hotel revenues in 4 localities, no significant change in 4 localities, and a significant slowing in the rate of increase (but not a decrease) in 1 locality. There was no significant change in the rate of change of hotel revenues as a fraction of total retail sales (P=.16) or total US hotel revenues associated with the ordinances when pooled across all localities (P = .93). International tourism was either unaffected or increased following implementation of the smoke-free ordinances. Smoke-free ordinances do not appear to adversely affect, and may increase, tourist business.

  1. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    China Hotel Golden Pillows Awards On April 24, 2006, Yalong Bay Mangrove Tree Resort proudly received 'Top 10 Resorts in China" at the 3nd Annual China Hotel Golden Pillows Awards. The resort has created an entirely new concept for a Chinese resort, with its South Asia architec-

  2. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    Kempinski Hotel Beijing Lufthansa Center One of the world’s largest f airs, the legendary Oktoberfest in Munich, Germany,is celebrating its landmark 200th anniversary this September. Thankfully,beer lovers in Beijing won’t have to miss out on the fun.Kempinski Hotel Beijing Lufthansa Center warmly invites you to join their very own Oktoberfest at

  3. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    InterContinental Hotels Group Following the successful charity projects throughout the year,IHG(InterContinental Hotels Group)properties in Beijing,Tianjin and Qinhuangdao have joined hands again to provide a caring hand for children’s education by organizing the"Project Hope"Charity Golf Trophy 2007.

  4. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Crab Dinner at Yi Pin Restaurant, Minzu Hotel In the golden autumn of October, the Yi Pin Restaurant at Minzu Hotel will offer grand crab dinners. Indulge yourself at the Yi Pin Restaurant,where the master chef has a unique approach to preparing luscious hairy

  5. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Minzu Hotel In Tianxia Yipin restaurant in Minzu Hotel, gourmet lovers will be served with an authentic Chinese royal deer feast between January and March. The wide array of savory deer meat dishes will give you a memorable, unique dining experience. Lun

  6. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    China World Hotel Beijing The U.S.-based Wine Spectator magazine’s Award of Excellence has been given to Aria at the China World Hotel Beijing’s signature modern European restaurant, for the second consecutive year. Aria is one of only eight restaurants on China’s mainland to receive the award in 2008.

  7. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    China World Hotel Berry Cool at the Lobby Lounge! China World Hotel's Lobby Lounge whips berries into a sweet summer storm sensa- tion, with pastries and confectionery from the dessert buffet topped by all kinds of berries-strawberries, blueberries, raspberries and blackberries. Paired with

  8. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Crowne Plaza International AirportBeijingJuly 12, 2008, Beijing - Crowne PlazaInternational Airport Beijing announced itsofficial opening. The opening marks IHG’s(InterContinental Hotels Group) 87th hotel inChina’s mainland, Hong Kong and Macao.

  9. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Ibis Ibis, the international economy hotel brand of Accor, is pleased to announce that it has received ISO 9001 certification for its head office and three hotels in China-Ibis Beijing Sanyuan, Ibis Shanghai Lianyang and Ibis Wuxi Hi-Tech, following a six-month audit and training

  10. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Marco Polo Parkside, Beijing Marco Polo Parkside, Beijing, a stylish 5-star hotel soft opened in late June in Chaoyang District of Beijing, is the newest hotel in north Beijing. The interior design is contemporary and yet elegant. It is creatively blende

  11. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    Renaissance Beijing Capital Hotel Michelin Star Chef Visiting Beijing from May 11-22 Indulge in the ultimate dining experience presented by Michelin Star Chef Eros Picco at Fratellifresh @ Renaissance Beijing Capital Hotel.Fresh,innovative and authentic north Italian cuisine will delight Beijing gourmets as Michelin chef Eros Picco creates authentic signature

  12. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    Minzu Hotel As the New Year approaches, Chinese restaurants at Minzu Hotel will present a Chinese New Year family feast with special gourmet options for your imperial New Year dinner. Tian Xia Yi Pin Restaurant will present a New Year’s dinner of imperial palace style. The "Qianlong flourishing era topped with a magic calabash" is rich in a variety of

  13. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Kerry Center Hotel, Beijing Kerry Sports of Shangri-la's Kerry Center Hotel, Beijing, participated in the annual Terry Fox Charity Run fundraiser for cancer research recently. Seen here is Andrew West, the Kerry Sports Manager, pictured with Zhang Guozheng, former world weight lifting champion.

  14. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Crowne Plaza City Center Changsha commenced its orientation training for its staff members on January 3. With no international hotels currently operating in Changsha, it was with great anticipation that the training program was underway. The management team,which has been in Changsha for some months,and the hotel owner representatives personally welcomed the 300 new employees.

  15. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Radisson SAS Hotel On the occasion of Canada Day on July1, the Radisson SAS Hotel joined the Canadian community in Beijing for the fes-tivities taking place on the grounds of theCanadian International School. The hotel’sculinary team baked a 2-meter-long

  16. Instalaciones para hotel rural

    OpenAIRE

    Roig Riera, José Antonio

    2015-01-01

    El presente proyecto cuenta con la información necesaria para el desarrollo de las instalaciones de un hotel rural. Dichas instalaciones son; la eléctrica, la de agua caliente sanitaria, las telecomunicaciones y la climatización. En el apartado de la instalación eléctrica, se han calculado todos los cables necesarios para el correcto funcionamiento del hotel, partiendo de las potencias demandadas en cada punto de consumo. Se ha calculado la línea general de alimentación, acomet...

  17. Diseño de un modelo de gestión ambiental integrado para la implementación de los modelos NTS-TS 002:2006 y la norma ISO 14001:2004 aplicado a hoteles de la ciudad de Bogotá D.C.

    OpenAIRE

    Ortiz Urquijo, Víctor Hugo; Olivares Silva, Helberth Humberto

    2015-01-01

    El presente trabajo de grado presenta un modelo de gestión ambiental que permite integrar las normas NTS-TS 002:2006 y la norma ISO 14001:2004 aplicado a los 35 hoteles de la ciudad de Bogotá D.C. adscritos al Ministerio de Comercio, Industria y Turismo (32 certificados en NTS-TS 002:2006, los hoteles Ibis Bogotá Museo y Bogotá Plaza Summit certificados en ISO 14001:2004 y el hotel Crown Plaza Tequendama certificado en ambas normas), identificando para cada hotel los impactos ambientales gene...

  18. Diseño de un modelo de gestión ambiental integrado para la implementación de los modelos NTS-TS 002:2006 y la norma ISO 14001:2004 aplicado a hoteles de la ciudad de Bogotá D.C.

    OpenAIRE

    Ortiz Urquijo, Víctor Hugo; Olivares Silva, Helberth Humberto

    2015-01-01

    El presente trabajo de grado presenta un modelo de gestión ambiental que permite integrar las normas NTS-TS 002:2006 y la norma ISO 14001:2004 aplicado a los 35 hoteles de la ciudad de Bogotá D.C. adscritos al Ministerio de Comercio, Industria y Turismo (32 certificados en NTS-TS 002:2006, los hoteles Ibis Bogotá Museo y Bogotá Plaza Summit certificados en ISO 14001:2004 y el hotel Crown Plaza Tequendama certificado en ambas normas), identificando para cada hotel los impactos ambientales gene...

  19. Report for borehole explosion data acquired in the 1999 Los Angeles Region Seismic Experiment (LARSE II), Southern California: Part I, description of the survey

    Science.gov (United States)

    Fuis, Gary S.; Murphy, Janice M.; Okaya, David A.; Clayton, Robert W.; Davis, Paul M.; Thygesen, Kristina; Baher, Shirley A.; Ryberg, Trond; Benthien, Mark L.; Simila, Gerry; Perron, J. Taylor; Yong, Alan K.; Reusser, Luke; Lutter, William J.; Kaip, Galen; Fort, Michael D.; Asudeh, Isa; Sell, Russell; Van Schaack, John R.; Criley, Edward E.; Kaderabek, Ronald; Kohler, Will M.; Magnuski, Nickolas H.

    2001-01-01

    The Los Angeles Region Seismic Experiment (LARSE) is a joint project of the U.S. Geological Survey (USGS) and the Southern California Earthquake Center (SCEC). The purpose of this project is to produce seismic images of the subsurface of the Los Angeles region down to the depths at which earthquakes occur, and deeper, in order to remedy a deficit in our knowledge of the deep structure of this region. This deficit in knowledge has persisted despite over a century of oil exploration and nearly 70 years of recording earthquakes in southern California. Understanding the deep crustal structure and tectonics of southern California is important to earthquake hazard assessment. Specific imaging targets of LARSE include (a) faults, especially blind thrust faults, which cannot be reliably detected any other way; and (b) the depths and configurations of sedimentary basins. Imaging of faults is important in both earthquake hazard assessment but also in modeling earthquake occurrence. Earthquake occurrence cannot be understood unless the earthquake-producing "machinery" (tectonics) is known (Fuis and others, 2001). Imaging the depths and configurations of sedimentary basins is important because earthquake shaking at the surface is enhanced by basin depth and by the presence of sharp basin edges (Wald and Graves, 1998, Working Group on California Earthquake Probabilities, 1995; Field and others, 2001). (Sedimentary basins are large former valleys now filled with sediment eroded from nearby mountains.) Sedimentary basins in the Los Angeles region that have been investigated by LARSE include the Los Angeles, San Gabriel Valley, San Fernando Valley, and Santa Clarita Valley basins. The seismic imaging surveys of LARSE include recording of earthquakes (both local and distant earthquakes) along several corridors (or transects) through the Los Angeles region and also recording of man-made sources along these same corridors. Man-made sources have included airguns offshore and borehole

  20. Los Angeles from Space

    Science.gov (United States)

    2001-01-01

    This ASTER image was acquired on July 23, 2001 and covers an area of 64 x 72 km. The data were processed to create a simulated natural color image. From its start as a sleepy Spanish pueblo in 1781, LA and its metropolitan area has grown to become an ethnically diverse, semitropical megalopolis, laying claim as the principal center of the western US and the nation's second largest urban area. The city's economy is based on international trade, aerospace, agriculture, tourism, and filmmaking. LA provides a glimpse of the typically cosmopolitan and global city of the future.The image is located at 34.1 degrees north latitude and 118.2 degrees west longitude. Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is one of five Earth-observing instruments launched December 18, 1999, on NASA's Terra satellite. The instrument was built by Japan's Ministry of International Trade and Industry. A joint U.S./Japan science team is responsible for validation and calibration of the instrument and the data products. Dr. Anne Kahle at NASA's Jet Propulsion Laboratory, Pasadena, Calif., is the U.S. Science team leader; Moshe Pniel of JPL is the project manager. ASTER is the only high resolution imaging sensor on Terra. The primary goal of the ASTER mission is to obtain high-resolution image data in 14 channels over the entire land surface, as well as black and white stereo images. With revisit time of between 4 and 16 days, ASTER will provide the capability for repeat coverage of changing areas on Earth's surface. The broad spectral coverage and high spectral resolution of ASTER will provide scientists in numerous disciplines with critical information for surface mapping, and monitoring dynamic conditions and temporal change. Example applications are: monitoring glacial advances and retreats, monitoring potentially active volcanoes, identifying crop stress, determining cloud morphology and physical properties, wetlands Evaluation, thermal pollution monitoring, coral reef degradation, surface temperature mapping of soils and geology, and measuring surface heat balance.

  1. Spectral Ratio Analysis of Microtremor Data Collected from a High Density Temporary Broadband Deployment for the Evaluation of Site Response in the Los Angeles Basin

    Science.gov (United States)

    Ng, R.; Polet, J.

    2016-12-01

    Site response in sedimentary basins has been a topic of research interest for many decades due to the increased likelihood of earthquake damage from site amplification and resonance. We will present the results of our investigation of site response within the Los Angeles Basin through the application of the microtremor Horizontal-to-Vertical (H/V) spectral ratio method using the Geopsy software. This method was applied to 3-component broadband waveforms from the Los Angeles Syncline Seismic Interferometry Experiment (LASSIE). LASSIE is a collaborative, temporary, and dense array of 73 broadband seismometers that were active for a two-month period from October until November 2014, transecting the Los Angeles basin from Long Beach to La Puente. The data from this array enabled us to make measurements of small-scale lateral variations in the fundamental frequency, amplitude, and directional dependency of the H/V spectral ratio across this highly populated sedimentary basin. Data analysis and interpretation were conducted in accordance with the Site Effects Assessment Using Ambient Excitations (SESAME) guidelines. Our results show an average fundamental period at the basin center of 6-9.5 s and additional peaks in the spectral ratio curves at much shorter periods for sites at the basin edge. Long period H/V ratio peak amplitudes range from 2 - 5.5, with the highest values measured for the greater Long Beach area. We observe directional dependency in the frequency and amplitude of the long period peaks in the spectral ratio in proximity to the basin edge, which appears to correlate with the strike of the basin structure. We will show profiles of the H/V amplitudes and peak frequencies across the LA Basin and interpret our results in the context of site response results from other studies, as well as models of shallow and deeper basin structure.

  2. Study of CO/sub 2/ recovery and tertiary oil production enhancement in the Los Angeles Basin. Final report, September 1978

    Energy Technology Data Exchange (ETDEWEB)

    Shah, R.P.; Wittmeyer, E.E.; Sharp, S.D.; Griep, R.W.

    1979-01-01

    Results are presented of stuides conducted to evaluate carbon dioxide sources in the Los Angeles Basin, determine the requirements for upgrading and transmitting the gas, write the necessary material specifications, and determine where carbon dioxde may be effectively utilized as an enhanced recovery agent in oil fields, estimate recovery performance, and evaluate potential economic benefits. Study results show that there are two major sources of CO/sub 2/ in the Los Angeles Basin. Six oil refineries and one ammonia plant (all near Los Angeles Basin oil fields), have hydrogen plants with by-product streams of concentrated CO/sub 2/. The total available (uncommitted) CO/sub 2/ from these streams is about 3,000 tons per day. Six major electric power plants, all near L.A. Basin oil fields, discharge a combined total of 70,000 tons per day of CO/sub 2/ from 27 large boilers. Average CO/sub 2/ concentration in the flue gas is about 14 percent on a dry basis. CO/sub 2/ processing recommendations include modification of the existing hydrogen-CO/sub 2/ separation system, so that nitrogen is not used for stripping and therefore does not need to be removed, use propylene carbonate absorption, and use low-temperature separation. For CO/sub 2/ extraction from flue gas, monoethanolamine (MEA) absorption is recommended. Several reservoirs have been identified and are listed as prime candidates for CO/sub 2/ injection, using the major criteria of high oil saturation in the reservoir, suitable depth of the reservoir, and a good potential for zone control. (JRD)

  3. Potential Gains in Life Expectancy from Reductions in Leading Causes of Death, Los Angeles County: a Quantitative Approach to Identify Candidate Diseases for Prevention and Burden Disparities Elimination.

    Science.gov (United States)

    Ho, Alex; Hameed, Heena; Lee, Alice W; Shih, Margaret

    2016-09-01

    Despite overall gains in life expectancy at birth among Los Angeles County residents, significant disparities persist across population subgroups. The purpose of this study was to quantify the potential sex- and race/ethnicity-specific gains in life expectancy had we been able to fully or partially eliminate the leading causes of death in Los Angeles County. Complete annual life tables for local residents were generated by applying the same method used for the National Center of Health Statistics US life tables published in 1999. Based on 2010 Los Angeles County mortality records, sex- and race/ethnicity-specific potential gains in life expectancy were calculated using scenarios of 10, 20, 50, and 100 % elimination of 12 major causes of death. Coronary heart disease, the leading cause of death, was found to be most impactful on life expectancy. Its hypothetical full elimination would result in life expectancy gains ranging from 2.2 years among white females to 3.7 years among black males. Gains from complete elimination of lung cancer and stroke ranked second, with almost an additional year of life for each gender. However, marked disparities across racial/ethnic groups were noted from the elimination of several other causes of death, such as homicide, from which the gain among black males exceeded 13 times more than their white counterparts. By differentially targeting specific causes of death in disease prevention, not only can findings of this study aid in efficiently narrowing racial/ethnic disparities, they can also provide a quantitative means to identify and rank priorities in local health policymaking.

  4. Combined Mobile In Situ and Remote Sensing Investigation of the Aliso Canyon Natural Gas Leak in the Los Angeles Basin, California

    Science.gov (United States)

    Hall, J. L.; Leifer, I.; Tratt, D. M.; Melton, C.; Frash, J.

    2016-12-01

    The Aliso Canyon natural gas leak in the San Fernando Valley in Los Angeles, California was a major disruptive event whose societal impacts have continued well after the event itself ended, yet fortunately did not involve highly toxic gases. Chemical releases can have serious consequences for ecosystems, societies, and human health. Mitigating their destructive impacts relies on identification and mapping, monitoring, and trajectory forecasting. Improvements in the accuracy of such transport modeling capabilities can significantly improve the effectiveness of disaster response activities. Simultaneous plume characterization data were collected by the Mobile Infrared Sensor for Tactical Incident Response (MISTIR) and AutoMObile trace Gas (AMOG) Surveyor, two instrumented vehicles traveling in convoy. Surface vehicles have advantages over airplanes in terms of simpler logistics, such as not being limited by controlled airspace which is a major issue in Los Angeles, and ability to deploy rapidly. Moreover, it is the surface concentration that impacts human health and determines ecological damage. Fusion of the resulting correlative surface in situ observations and thermal-infrared spectroscopic column observations allowed both lateral and temporal plume characterization to derive emissions and to characterize the confining effect of topography on plume dispersion. Although a straightforward Gaussian plume inversion approach based on surface data yields an emission estimate with reasonable fidelity, it required assumptions of vertical profile and topographic influence that were validated by the column spectroscopic observations. Topographic factors within the Los Angeles Basin, including the Aliso Canyon locale, strongly influence transport processes. This situation challenges the predictive skill of numerical transport models that are used to assist the evacuation of at-risk communities, for example in the case of a refinery fire. This study demonstrated the utility

  5. CyberShake-derived ground-motion prediction models for the Los Angeles region with application to earthquake early warning

    Science.gov (United States)

    Böse, Maren; Graves, Robert W.; Gill, David; Callaghan, Scott; Maechling, Philip J.

    2014-09-01

    Real-time applications such as earthquake early warning (EEW) typically use empirical ground-motion prediction equations (GMPEs) along with event magnitude and source-to-site distances to estimate expected shaking levels. In this simplified approach, effects due to finite-fault geometry, directivity and site and basin response are often generalized, which may lead to a significant under- or overestimation of shaking from large earthquakes (M > 6.5) in some locations. For enhanced site-specific ground-motion predictions considering 3-D wave-propagation effects, we develop support vector regression (SVR) models from the SCEC CyberShake low-frequency (415 000 finite-fault rupture scenarios (6.5 ≤ M ≤ 8.5) for southern California defined in UCERF 2.0. We use CyberShake to demonstrate the application of synthetic waveform data to EEW as a `proof of concept', being aware that these simulations are not yet fully validated and might not appropriately sample the range of rupture uncertainty. Our regression models predict the maximum and the temporal evolution of instrumental intensity (MMI) at 71 selected test sites using only the hypocentre, magnitude and rupture ratio, which characterizes uni- and bilateral rupture propagation. Our regression approach is completely data-driven (where here the CyberShake simulations are considered data) and does not enforce pre-defined functional forms or dependencies among input parameters. The models were established from a subset (˜20 per cent) of CyberShake simulations, but can explain MMI values of all >400 k rupture scenarios with a standard deviation of about 0.4 intensity units. We apply our models to determine threshold magnitudes (and warning times) for various active faults in southern California that earthquakes need to exceed to cause at least `moderate', `strong' or `very strong' shaking in the Los Angeles (LA) basin. These thresholds are used to construct a simple and robust EEW algorithm: to declare a warning, the

  6. Meeting children's needs: a mixed-methods approach to a regionalized pediatric surge plan-the Los Angeles County experience.

    Science.gov (United States)

    Berg, Bridget M; Muller, Valerie M; Wilson, Millicent; Amara, Roel; Fruhwirth, Kay; Stevenson, Kathleen; Burke, Rita V; Upperman, Jeffrey S

    2014-01-01

    Children are one of the most vulnerable populations during mass casualty incidents because of their unique physiological, developmental, and psychological attributes. The objective of this project was to enhance Los Angeles County's (LAC) pediatric surge capabilities. The purpose of this study was threefold: (1) determine gaps in pediatric surge capacity and capabilities; (2) double pediatric inpatient capacity; and (3) document a plan to address gaps and meet pediatric inpatient surge. We hypothesized that LAC would be able to meet the identified pediatric surge target by leveraging resources of hospitals within the region. Deliverables included a pediatric surge plan for LAC, pediatric surge training resources, and pediatric supplies for hospitals participating in LAC's Hospital Preparedness Program (HPP). After Institutional Review Board approval, the authors used a mixed-methods approach to explore gaps in hospital capacity and capabilities in a large urban county. Hospitals were surveyed via Qualtrics® on 38 questions regarding capacity, staffing, availability of pediatric supplies, and existing pediatric surge plans. Publicly available inpatient bed data were collected from the Office of Statewide Health Planning and Development for the year ending June 2010 and supplemented by hospital survey responses. Population data was used from US Census 2010. This combined dataset was analyzed for capacity, pediatric designations, and capabilities. To supplement this data, three focus groups were conducted between April 2011 and May 2012. Focus group topics included: supplies and training needed for pediatric surge, surge targets, and plan development and functionality. Hospitals varied in pediatric capacity and capability. Forty-six percent of facilities provide inpatient pediatric services. Forty-one hospitals are designated as an Emergency Department Approved for Pediatrics. Identified gaps included: limited pediatric bed capacity, geographic variability, limited

  7. The impact of gated Communities on property values: evidence of changes in real estate markets -Los Angeles, 1980-2000

    Directory of Open Access Journals (Sweden)

    Renaud Le Goix

    2007-05-01

    Full Text Available The paper focuses on how gated communities, as private means of providing public infrastructure and security, real estate products and club-economies, produce changes in housing market patterns. Based on an empirical study of Los Angeles (California data, it aims to trace to what extent gates and walls favor property values and if the presence of gated communities produces over time (1980-2000 a deterrent effect on non-gated properties abutting the enclave, or close to it. Resulting from a demand for security, gated communities are a leading offer from the homebuilding industry. But their spread emerges from a partnership between local governments and land developers. Both agree to charge the homebuyer with the cost of urban sprawl (construction and maintenance costs of infrastructure within the gates. Such a structuring of residential space is particularly desirable on the urban edges, where the cost of urban sprawl exceeds the financial assets of local public authorities. New private developments provide local governments with new wealthy taxpayers at almost no cost. As compensation, the homebuyer is granted private and exclusive access to sites and amenities (lakes, beaches, etc.. Such exclusivity favors the location rent, and usually positively affects the property values within the gated enclaves. But it is also assumed that operating cost of private governance are paid for by the increase of property values. Market failure nevertheless occurs when costs rise above sustainable levels compared to property values. Changes produced by gates yield to at least two outcomes. At first sight, residential enclosures produce a price premium, thus being a smart investment. Furthermore, gated communities might well be able to generate enough property value to pay off the price of private governance. But this analysis holds only on a short term basis. In the long term, larger and wealthier gated communities are successful in shielding their property

  8. Understanding the socio-demographic and climate impacts on total and landscape water use in the City of Los Angeles

    Science.gov (United States)

    Mini, C.; Hogue, T. S.; Pincetl, S.

    2010-12-01

    Urbanization has environmental impacts that modify ecosystem services associated with vegetation. Semi-arid urban forests also have costs related to irrigation that are difficult to evaluate. In the face of climate change and population growth, quantifying and predicting ecosystems costs and benefits are important and challenging. In urban areas, residential water consumption includes both domestic needs and landscaping irrigation, yet accurate partitioning of each of these uses is rare in most environments. The goal of the current research is to quantify outdoor landscape water use in order to have a better understanding of urban water footprints and the dynamics of water consumption patterns within semi-arid cities. Data is being collected from the Los Angeles Department of Water and Power (LADWP) to evaluate household water use by ZIP code and by census tract. Neighborhoods were selected to represent city characteristics based on socio-demographic factors such as density, ethnicity, income level, education level and housing types. Initial studies are focusing on the correlation between residential water use and socio-demographic factors at the ZIP code level inside each neighborhood over the 2000-2010 period. Other variables predicting water use include climate variability and vegetation type. As expected, monthly water use patterns follow seasonal temperature and precipitation variability across the study neighborhoods. Results also show that education, ethnicity, per capita income, and the number of persons per household are linearly related to water use per capita and per area. A positive correlation is also observed between landscape area, vegetation indices and outdoor water use. A multiple regression model is developed that integrates these fundamental factors controlling indoor and outdoor water use across the region. Estimates of urban landscape water use will ultimately be compared to a remotely-sensed evapotranspiration model with high spatial (250 m

  9. Los Angeles megacity: a high-resolution land-atmosphere modelling system for urban CO2 emissions

    Science.gov (United States)

    Feng, Sha; Lauvaux, Thomas; Newman, Sally; Rao, Preeti; Ahmadov, Ravan; Deng, Aijun; Díaz-Isaac, Liza I.; Duren, Riley M.; Fischer, Marc L.; Gerbig, Christoph; Gurney, Kevin R.; Huang, Jianhua; Jeong, Seongeun; Li, Zhijin; Miller, Charles E.; O'Keeffe, Darragh; Patarasuk, Risa; Sander, Stanley P.; Song, Yang; Wong, Kam W.; Yung, Yuk L.

    2016-07-01

    Megacities are major sources of anthropogenic fossil fuel CO2 (FFCO2) emissions. The spatial extents of these large urban systems cover areas of 10 000 km2 or more with complex topography and changing landscapes. We present a high-resolution land-atmosphere modelling system for urban CO2 emissions over the Los Angeles (LA) megacity area. The Weather Research and Forecasting (WRF)-Chem model was coupled to a very high-resolution FFCO2 emission product, Hestia-LA, to simulate atmospheric CO2 concentrations across the LA megacity at spatial resolutions as fine as ˜ 1 km. We evaluated multiple WRF configurations, selecting one that minimized errors in wind speed, wind direction, and boundary layer height as evaluated by its performance against meteorological data collected during the CalNex-LA campaign (May-June 2010). Our results show no significant difference between moderate-resolution (4 km) and high-resolution (1.3 km) simulations when evaluated against surface meteorological data, but the high-resolution configurations better resolved planetary boundary layer heights and vertical gradients in the horizontal mean winds. We coupled our WRF configuration with the Vulcan 2.2 (10 km resolution) and Hestia-LA (1.3 km resolution) fossil fuel CO2 emission products to evaluate the impact of the spatial resolution of the CO2 emission products and the meteorological transport model on the representation of spatiotemporal variability in simulated atmospheric CO2 concentrations. We find that high spatial resolution in the fossil fuel CO2 emissions is more important than in the atmospheric model to capture CO2 concentration variability across the LA megacity. Finally, we present a novel approach that employs simultaneous correlations of the simulated atmospheric CO2 fields to qualitatively evaluate the greenhouse gas measurement network over the LA megacity. Spatial correlations in the atmospheric CO2 fields reflect the coverage of individual measurement sites when a

  10. Oral health status of children in Los Angeles County and in the United States, 1999-2004.

    Science.gov (United States)

    Dye, Bruce A; Vargas, Clemencia M; Fryar, Cheryl D; Ramos-Gomez, Francisco; Isman, Robert

    2017-04-01

    To ascertain and compare the oral health status and related sociodemographic risk indicators in children in Los Angeles (LA) County with children in the United States. Data from the National Health and Nutrition Examination Survey (NHANES) 1999-2004 were used to calculate prevalence estimates for children aged 2-13 years living in LA County and in the United States. Sociodemographic indicators were evaluated using multiple logistic regression modeling. Overall, children in LA County were more likely to experience dental caries than children in the United States in 1999-2004. In the primary dentition, nearly 40% of preschool children residing in LA County had dental caries compared to 28% of same-age children in the United States. Among children aged 6-13, 44% living in LA County had dental caries in the permanent dentition compared to 27% in the United States. Mexican American children in LA County had higher caries experience in permanent teeth (but not in primary teeth) than US Mexican American children. Among children aged 6-9 years, there was no difference in the prevalence of dental sealants in permanent teeth between those living in LA County and in the United States. However, among children aged 10-13 years, dental sealants were more than twice as prevalent in US children (40.8%) than in LA County children (17.5%). Among LA County children, the adjusted odds of having caries experience or untreated dental caries in permanent teeth were not higher among children from lower income families than in lower income children in the United States. Children residing in LA County had less favorable oral health than children in the United States in 1999-2004. The usual sociodemographic caries risk indicators identified among children in the United States were not consistently observed among children in LA County. Unlike in the wider United States, poverty was not a risk indicator for dental caries in older children in LA County. © 2016 John Wiley & Sons A/S. Published

  11. Understanding the impacts of anthropogenic processes on the Los Angeles Basin with an integrated high-resolution hydrologic model

    Science.gov (United States)

    Reyes, B.; Hogue, T. S.; Maxwell, R. M.

    2015-12-01

    The increasing importance of sustainable urban water use practices globally has motivated the creation of various conservation and management schemes. However, many of the operational and management models used to inform these policies do not simulate the hydrologic system holistically. Anthropogenic fluxes and changes to the hydrologic cycle are known to have significant and interacting impacts on the hydrologic system as a whole; however, only recently has the hydrologic community been able to quantify the effects and understand their behavior. At regional scales in humid cities, infrastructure leakage has an overwhelming impact on subsurface storage change. In semi-arid cities, both the large amount of water importation and the natural hydrometerological regime are particularly important drivers of land surface processes. This work seeks to understand the relative importance of land cover change, unmanaged infrastructure recharge, and urban irrigation on the hydrologic fluxes of urban semi-arid regions. To assess the impacts of these changes we utilize an integrated hydrologic model (ParFlow) coupled to a land surface model (CLM) to simulate Ballona Creek watershed and the underlying groundwater system in Los Angeles, CA. All simulations are conducted at a very high (30-m) spatial resolution over the watershed, a 388-km2 (150 sq. mi.) domain, and modeled over a 2-year period at an hourly timestep. The following model simulations are used to study anthropogenic impacts to the semi-arid urban water cycle: (1) a "naturalized" hydrologic simulation with no anthropogenic inputs and no land-surface feedbacks; (2) a hydrologic simulation with current imperviousness levels; (3) a simulation with the inclusion of urban land use/land cover features to assess their impacts; (4) using the model developed in 3, we evaluate the impact of infrastructure leakage; (5) using the model developed in 3, we assess the effects of the urban irrigation flux; (6) finally, we simulate the

  12. High temperature annealing of fission tracks in fluorapatite, Santa Fe Springs oil field, Los Angeles Basin, California

    Science.gov (United States)

    Naeser, Nancy D.; Crowley, Kevin D.; McCulloh, Thane H.; Reaves, Chris M.; ,

    1990-01-01

    Annealing of fission tracks is a kinetic process dependent primarily on temperature and to a laser extent on time. Several kinetic models of apatite annealing have been proposed. The predictive capabilities of these models for long-term geologic annealing have been limited to qualitative or semiquantitative at best, because of uncertainties associated with (1) the extrapolation of laboratory observations to geologic conditions, (2) the thermal histories of field samples, and (3) to some extent, the effect of apatite composition on reported annealing temperatures. Thermal history in the Santa Fe Springs oil field, Los Angeles Basin, California, is constrained by an exceptionally well known burial history and present-day temperature gradient. Sediment burial histories are continuous and tightly constrained from about 9 Ma to present, with an important tie at 3.4 Ma. No surface erosion and virtually no uplift were recorded during or since deposition of these sediments, so the burial history is simple and uniquely defined. Temperature gradient (???40??C km-1) is well established from oil-field operations. Fission-track data from the Santa Fe Springs area should thus provide one critical field test of kinetic annealing models for apatite. Fission-track analysis has been performed on apatites from sandstones of Pliocene to Miocene age from a deep drill hole at Santa Fe Springs. Apatite composition, determined by electron microprobe, is fluorapatite [average composition (F1.78Cl0.01OH0.21)] with very low chlorine content [less than Durango apatite; sample means range from 0.0 to 0.04 Cl atoms, calculated on the basis of 26(O, F, Cl, OH)], suggesting that the apatite is not unusually resistant to annealing. Fission tracks are preserved in these apatites at exceptionally high present-day temperatures. Track loss is not complete until temperatures reach the extreme of 167-178??C (at 3795-4090 m depth). The temperature-time annealing relationships indicated by the new data

  13. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    A Tasteful Mid-Autumn Festival at Minzu Hotel The Mid-Autumn Festival is a traditional time for family reunions. As the festival is approaching, Minzu Hotel would like to invite you and your family to come and enjoy the festival with its tasty mooncakes. The hotel will provide a rich variety of exquisite mooncakes featuring meticulously chosen ingredients, excellent handicraft and mellow flavors. The icecrust mooncake is strongly recommended for its snowy appearance and icy taste. In addition are crispy-crust mooncakes,

  14. From “the symbolic wood” to the mythic interpretation of evil. A reading of Vision de los hijos del mal by Miguel Angel Bustos.

    Directory of Open Access Journals (Sweden)

    Estrella Isabel Koira

    2015-04-01

    Full Text Available An approach to Miguel Angel Bustos's poetry requires a methodological reexamination that does not sever its semantic flow. A poetry that seeks deep and heightened sense and that conceives its word as verb of divine origin cannot be analyzed without the understanding of the prefigured transcendence of its genesis. Attending to this predicament, we observe that the ricoeurian hermeneutics provides us with a consonant tool which forges a bond between word and existence. In Vision de los hijos del mal, Ricoeur's concepts of symbol and myth allow an access to the close relation among the experience of evil, language and sense.

  15. Characterization of organic, metal and trace element PM2.5 species and derivation of freeway-based emission rates in Los Angeles, CA.

    Science.gov (United States)

    Liacos, James W; Kam, Winnie; Delfino, Ralph J; Schauer, James J; Sioutas, Constantinos

    2012-10-01

    On-road particulate matter (PM) was collected during a sampling campaign in March-April of 2011 on two major Los Angeles freeways, I-710 and Route 110. I-710 is a major route for heavy-duty vehicles (HDVs) traveling to and from the Ports of Long Beach and Los Angeles, while Route 110 has a much lower HDV fraction -3.9% versus 11.4%. Two sets of samples were collected for each roadway, each set representing approximately 50°h of on-road sampling. Concurrent sampling at a fixed site at the University of Southern California's (USC) downtown Los Angeles campus provided estimates of urban background levels. Chemical analysis was performed for elemental carbon (EC), organic carbon (OC), polycyclic aromatic hydrocarbons (PAHs), hopanes and steranes, and metals and trace elements. Freeway-based emission rates (ERs) - mass per kilometer of freeway per hour - were calculated using mass concentrations, fuel characteristics, and traffic flow rates. These ERs are presented such that freeways could be treated as a line source of emissions for use in predictive models of population exposure for nearby communities. This data could also be used to assess the exposure of commuters to traffic-related PM2.5 emissions. ERs are compared to data from a previous fixed-site roadside study of I-710 as well as to reconstructed values from a tunnel study. ERs were generally lower (or comparable) on the gasoline-vehicle dominated freeway (Route 110) than the freeway with more diesel trucks (I-710), with EC and pyrene being notably lower on Route 110, findings consistent with the Route 110's lower HDV fraction. We found EC emission rates decreased over time suggesting that efforts to reduce diesel emissions from HDVs at the Ports of Los Angeles and Long Beach have been successful. While ERs for most of the organic species were within the range of values reported by previous studies, the present study found much higher ERs for metals and trace elements. This suggests that the sampling methods

  16. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Minzu Hotel In accordance with the Detailed Rules for the Implementation on the Law of the People’s Republic of China on the Administration of Tax Collection and Interim Measures of the Beijing Local Taxation Bureau on the Administration

  17. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    The Marco Polo Beijing The Marco Polo Beijing was recently voted the best business hotel in China by business travelers and readers of International Business. Jane Zhou, Deputy General Manager, and Peter Chiu (third from left), General Manager of

  18. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Minzu Hotel Launches Free Gym for Guests Going to the gym helps people break through the noise of the metropolis to find a quiet place within their soul and develop a healthy lifestyle. Minzu Hotel opened its gymnasium in a grand ceremony this spring,offering urbanites a place to relieve the pressure of modern life and pursue relaxation of the mind.The gym is located on the second floor in a quiet and

  19. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Beijing Marriott Hotel City Wall Celebrate Christmas at the Beijing Marriott Hotel City Wall. Indulge in the festive spirit with a delicious selection of dining options from around the world and you will have the chance to win a trip to the United States or Hong Kong for two. Treat yourself to Beijing’s most sumptuous Christmas dinner at the City Wall Bistro and

  20. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Wenjin Hotel Located in the heart of Tsinghua Science Park,Wenjin Hotel welcomes you to join in its fantastic 2007 Christmas Celebrations. A Christmas theme party in the library lounge with a Phiilippino band performance and wine and cigars throughout the evening is planned for your enjoyment. A great feast,with dazzling perfor- mances and wonderful gifts,awaits you this Christmas Eve at Reno Café.

  1. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Accor Accor is poised for its largest ever expansion in China, with a record 5 hotels opening in just over one month, and 30 hotels under development and scheduled to open in time for the 2008 Olympic Games. April started with the launch of the Novotel Citygate Hong Kong in the new Tung Chung area close to the airport, AsiaWorld Expo and Disneyland.

  2. Hotel Information

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Kempinski Hotel Beijing Lufthansa Center Matthias Kann (second from right), Managing Director of Kempinski Hotel Beijing Lufthansa Center, holds a cocktail reception, in conjunction with the Rotary Club Beijing, to welcome 9-year-old Kong Li (center), who just returned from a successful heart operation in New York. Kong is pictured during the cocktail reception, accompanied by his father (second from left), H.C. Kwok (first from left), Chief Ref & Country Director China of Continental Airlines, and Ruby ...

  3. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    Argyle Whahol Resort Argyle Hotel Management Group (Australia) has signed an agreement with Wuxing Chuangzhan Investment Holding Company to build a five-star holiday hotel.The new project, Argyle Whahol Resort, is located in Chongzuo of southwest China’s Guangxi Zhuang Autonomous Region. The project covers an area of 26,000 square meters with a total investment of 3 billion yuan ($473.4 million).

  4. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Minzu Hotel Appreciating the Exoticism of Mexican Food in May From May 4, the Coffee Mill at the Minzu Hotel will proudly present Mexican cuisine. We invite you to come and enjoy this exotic experience from North America. The head chef of Coffee Mill will create a delicate and exquisite presentation of Mexican flavor, which includes salads, main courses and desserts. As one of the five most famous cuisines in the world, Mexican

  5. Urban violence in Los Angeles in the aftermath of the riots. A perspective from health care professionals, with implications for social reconstruction.

    Science.gov (United States)

    Shoemaker, W C; James, C B; King, L M; Hardin, E; Ordog, G J

    1993-12-15

    Beginning April 29, 1992, Los Angeles, Calif, was engulfed in a 3-day insurrection reflecting the residents' responses to a legal ruling. Unlike the media-painted picture, this article argues that the enormous outburst of violence and consequential property destruction was not the exclusive domain of the citizens of South-Central Los Angeles and that available data will not support the maintenance of the prevailing uneven distribution of civic and state resources in health care, educational programs, and economic opportunities. What it does support is the proposal for a more equitable allocation of resources among institutions, groups, and peoples, complemented by community empowerment, a more civic-oriented police operation, and a more rational approach to social reconstruction in which all elements of the society are full participants. Finally, the article suggests that augmentation of the present "law and order" approach and the paramilitary police already have proven economically ineffective. Given the dominant role of the medical profession in social and civic life, it is now appropriate for the medical profession to enter the debate on policies of health improvement, violence deterrence, and the general field of social reconstruction.

  6. The unhealthy food environment does not modify the association between obesity and participation in the Supplemental Nutrition Assistance Program (SNAP) in Los Angeles County.

    Science.gov (United States)

    Chaparro, M Pia; Harrison, Gail G; Wang, May C; Seto, Edmund Y W; Pebley, Anne R

    2017-01-14

    Participation in the Supplemental Nutrition Assistance Program (SNAP) has been linked to an increased risk of obesity, but not much is known about the mechanisms behind this association. The objective of this study was to determine if the neighborhood density of unhealthy food outlets modifies the association between obesity and participation in SNAP. Data comes from the first wave of the Los Angeles Family and Neighborhood Survey; included are a subsample of adults (18+ years) who were SNAP participants or eligible non-participants (N = 1,176). We carried out multilevel analyses with obesity (BMI ≥ 30 Kg/m(2)), SNAP participation, and the neighborhood density of unhealthy food outlets as dependent, independent and modifying variables, respectively, controlling for age, gender, race/ethnicity, marital status, working status, mental health, and neighborhood poverty. SNAP participants had double the odds of obesity compared to eligible non-participants (OR = 2.02; 95%CI = 1.44-2.83). However, the neighborhood density of unhealthy food outlets did not modify this association. SNAP participation was associated with higher odds of obesity in our primarily Hispanic sample in Los Angeles County, with no effect modification found for the unhealthy portion of the food environment. More research is needed with additional food environment measures to confirm our null findings. Additional research is needed to elucidate the mechanisms linking SNAP participation and obesity as they remain unclear.

  7. Outreach and education in urban Los Angeles Schools: integration of research into middle and high school science curriculum through the NSF GK-12 SEE-LA program

    Science.gov (United States)

    Daniel, J. C.; Hogue, T. S.; Moldwin, M. B.; Nonacs, P.

    2012-12-01

    A National Science Foundation Graduate Teaching Fellows in K- 12 Education program at UCLA (SEE-LA; http://measure.igpp.ucla.edu/GK12-SEE-LA/ ) partners UCLA faculty and graduate students (fellows) with urban middle and high school science teachers and their students to foster programs of science and engineering exploration that bring the environment of Los Angeles into the classroom. UCLA science and engineering graduate fellows serve as scientists-in-residence at four partner schools to integrate inquiry-based science lessons, facilitate advancements in science content teaching, and ultimately, to improve their own science communication skills. As part of their fellowship, graduate students are required to develop three "major" lessons, including one based on their PhD research at UCLA. During the first four years of the project, the SEE-LA fellows have developed a range of research-based activities, including lessons on sustainable fisheries, ecosystems and remote sensing, earthquakes, urban water quality including invertebrate observations, and post-fire soil chemistry, among others. This presentation will provide an overview of the SEE-LA GK-12 program and development of research lessons that also address California State Science Standards. We also discuss potential sustainability of GK-12 type outreach and education programs. The SEE-LA program has provided development of graduate student communication and teaching skills while also contributing significantly to the integration of science education into K-12 curriculum in Los Angeles schools.

  8. Miocene rifting in the Los Angeles basin: Evidence from the Puente Hills half-graben, volcanic rocks, and P-wave tomography

    Science.gov (United States)

    Bjorklund, Tom; Burke, Kevin; Zhou, Hua-Wei; Yeats, Robert S.

    2002-05-01

    Formation of the Puente Hills half-graben in the northeastern Los Angeles basin and eruption of the Glendora and El Modeno Volcanics (16 14 Ma) help to define the timing of extension in the basin. Normal faulting on the proto-Whittier fault ca. 14 Ma established the Puente Hills half-graben, in which sedimentary strata accumulated between ca. 14 and 10 Ma and into which diabase sills intruded. North-South contraction began to invert the Puente Hills half-graben ca. 7 Ma, leading to formation of the Puente Hills anticline and the Whittier fault. Our high-resolution three-dimensional P-wave velocity model shows two anomalous higher velocity (6.63 km/s) bodies at depths between 9 and 18 km, which we attribute to dioritic plutons named here for Whittier Narrows and El Modeno. The stocklike Whittier Narrows pluton could have been a source for the Glendora Volcanics and the diabase sills in the Puente Hills half-graben. The sill-shaped El Modeno pluton was a likely source for the El Modeno Volcanics. The northwesterly alignment of the plutons may mark the location of the northeastern Los Angeles basin rift boundary, which is associated with the clockwise rotation of the western Transverse Ranges. Three active faults, the Elysian Park blind thrust, the Puente Hills blind thrust, and the Whittier fault, converge on the Whittier Narrows pluton, which may have played a role in their location and segmentation.

  9. Modeling the formation and aging of secondary organic aerosols in Los Angeles during CalNex 2010

    Directory of Open Access Journals (Sweden)

    P. L. Hayes

    2014-12-01

    Full Text Available Four different parameterizations for the formation and evolution of secondary organic aerosol (SOA are evaluated using a 0-D box model representing the Los Angeles Metropolitan Region during the CalNex 2010 field campaign. We constrain the model predictions with measurements from several platforms and compare predictions with particle and gas-phase observations from the CalNex Pasadena ground site. That site provides a unique opportunity to study aerosol formation close to anthropogenic emission sources with limited recirculation. The model SOA formed only from the oxidation of VOCs (V-SOA is insufficient to explain the observed SOA concentrations, even when using SOA parameterizations with multi-generation oxidation that produce much higher yields than have been observed in chamber experiments, or when increasing yields to their upper limit estimates accounting for recently reported losses of vapors to chamber walls. The Community Multiscale Air Quality (WRF-CMAQ model (version 5.0.1 provides excellent predictions of secondary inorganic particle species but underestimates the observed SOA mass by a factor of 25 when an older VOC-only parameterization is used, which is consistent with many previous model-measurement comparisons for pre-2007 anthropogenic SOA modules in urban areas. Including SOA from primary semi-volatile and intermediate volatility organic compounds (P-S/IVOCs following the parameterizations of Robinson et al. (2007, Grieshop et al. (2009, or Pye and Seinfeld (2010 improves model/measurement agreement for mass concentration. When comparing the three parameterizations, the Grieshop et al. (2009 parameterization more accurately reproduces both the SOA mass concentration and oxygen-to-carbon ratio inside the urban area. Our results strongly suggest that other precursors besides VOCs, such as P-S/IVOCs, are needed to explain the observed SOA concentrations in Pasadena. All the parameterizations over-predict urban SOA formation at

  10. Los Espacios interiores de la Vivienda y el diseño de interiores en Hoteles para el turismo.

    OpenAIRE

    Yunior Vázquez Rodríguez

    2011-01-01

    Desde hace más de dos décadas y como ya se hace costumbre según se ha comprobado en muchos casos, el diseño de interiores por lo general se emplea en las obras para el turismo y en alguna otra de gran interés por su importancia o significación determinada. Esto no quiere decir que las obras de la vivienda no deban de ser diseñadas en sus espacios interiores y mucho menos que sean obras de baja importancia. En muchos de nuestros hoteles de Varadero podemos encontrar elementos de diseño interio...

  11. Aarauerhof Hotel – Suiza

    Directory of Open Access Journals (Sweden)

    Dahinden, J.

    1975-05-01

    Full Text Available The hotel consists of basement, ground floor, first floor and other blocks of different heights, in which there is a total of 80 beds. So as to take advantage of the proximity to the railway station, in front of which the hotel is situated, the gastronomy section has been planned on the ground floor. On the first floor are the living rooms and conference rooms and the main one contains the fashion shops that extend over three floors. The first basement has a discotec; and in the second are situated the storage rooms and the installations of the building. The hotel is further completed by two storeys of subterranean parking space, situated below the square in front of the railway station.Está compuesto por sótanos, planta baja, planta primera y cuerpos elevados de distintas alturas, en los que se distribuyen un total de 80 camas. Para aprovechar la proximidad de la estación de ferrocarril, en cuya plaza se halla este hotel, se ha colocado la sección de gastronomía en la planta baja. En el primer nivel se encuentran las salas de estar y de reunión, y el principal aloja las tiendas de modas, que ocupan tres alturas. El primer sótano contiene una discoteca; y en el segundo se distribuyen los almacenes e instalaciones del edificio. El hotel se completa con dos plantas de aparcamiento subterráneo situadas bajo la plaza de la estación.

  12. Hotel Hilton, en Estambul

    Directory of Open Access Journals (Sweden)

    Arquitectos Skidmore – Owings – Merrill

    2017-06-01

    Full Text Available Una de las mayores atracciones de este hotel la constituye el magnífico panorama que se divisa desde la cúspide de la colina, sobre la cual se halla construido. A sus pies descansa la exótica ciudad y el Bósforo, que, tranquilo y sosegado, reproduce fielmente la silueta de la airosa mezquita y de los altos minaretes.

  13. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Romance at Minzu Hotel What are you still waiting for? Valentine’s Day is coming! Show your amour to your loved one at the Minzu Hotel,where you can enjoy the most unforget- table nanantic night. You can spend Valentine’s night at the Coffee Bar an the first floor of Minzu Hotel,where you will be pampered with ro(?)tic music and a seafood huf- fet.We will also create a special candle dinner for two on Valentine’s Day, including the anique cupid aperitif wine,Belgian chocolates and surprise presents for the ladies.Meanwhile,we will offer special desserts and coffee to add light to your dream night.

  14. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Minzu Hotel Food & Beverage Promotions Elegant Executive Lounge Designed in classic lounge style, elegant yet subdued, the Executive Lounge is located on the ninth floor of the Minzu Hotel. Free breakfast is served at 7-10:30 a.m. and a free flow of beverages, including coffee, tea and fresh fruits, is available from 3 p.m. to 6 p.m. daily. Guests experience a real touch of class at our Executive Lounge. Business hours: 7 a.m.-22 p.m. Tel: 86-10-66014466 ext. 2900 Yipin Chinese Restaurant June 18-July 18

  15. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Days Hotel & Suites Beijing A wide variety of well-chosen fresh seafood, including lobster, shark's fin, oysters and sashimi, appears in our specially created seafood buffet featuring a huge selection of cold and hot seafood dishes, grilled seafood items tailored to your personal taste and many sorts of delicate seafood soups, accompanied by an assortment of Chinese desserts and French pastries. Time: Every Friday 6 p.m.-10 p.m. Venue: Cafe Restaurant on hotel lobby floor Price: 158 yuan plus 15 percent ...

  16. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Shangri-La’s Kerry Center Hotel,Beijing The Shangri-La’s Kerry Center Hotel, Beijing participated in Earth Hour 2009 from 8:30 p.m. to 9:30 p.m. on March 28 by turning off its exterior lighting as well as all non-essential lighting in the hotel’s lobby, food and beverage outlets, guestroom corridors and staff areas in a concerted effort to fight global warming. "As a company that strongly advocates environmental protection, we are delighted to join in

  17. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Crowne Plaza Pudong Shanghai The Crowne Plaza Pudong Shanghai is very honored to be the official hotel and sponsor of the Shanghai International Literary Festival 2008.The Shanghai International Literary Festival is China’s largest English literary event.A nonprofit venture,the festival relies on benefactors, consulates,corporate donations and volunteers. Days Hotel & Suites Beijing Savor the exotic flavor of Mexican cuisine and its rich and spicy taste.Our exquisite Mexican menu features traditional Mexican Tacos, Chicken Enchiladas With Spicy Tomato & Cumin Sauce and much more.

  18. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Coffee Mill at Minzu Hotel A brilliant coffee cup,which is filled with delicately milled coffee,will surely offer you fresh enjoyment in your busy life.Coffee Mill at Minzu Hotel will bang you an extraordi- nary new feeling in this regard. The car was designed by a senior designer,who created a natural and comfortable atmosphere.Mixing some fraditional elements with the modem ones makes the cat more elegant. Coffee Mill has a fresh feeling about it.You can chat with your friends over a variety

  19. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    Shangri-La Hotel, Beijing Kids of all ages found something they enjoyed at Café Cha’s Children’s Day buffet on June 1. The little ones watched chefs preparing an array of delectable international cuisine at the restaurant’s open cooking stations, and they’re sure to have enjoyed making pizza with Café Cha chefs.

  20. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Days Hotel & Suites Beijing Dainty Afternoon Tea/Afternoon Tea Buffet 745 yuan per person Select from an assortment of delicate snacks, fresh salad, seasonal fruit plates Completed by a complimentary glass of American coffee or Chinese tea (excluding Kungfu tea). Only 35 yuan per person for Afternoon Tea Buffet if ordering other kind of beverages at Lobby Lounge

  1. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    Legendale Hotel Beijing This Valentine’s Day, enjoy a romantic candle light dinner with your loved one,serenaded by the sound of harps and flutes,to create the perfect loving atmosphere. Eachlady will be presented with a complimentary

  2. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    St. Regis Hotel, Beijing Astor Grill Restaurant June 14-24 Acclaimed Special Guest Chef Neil Porter from Canada will feature "Pacific Rim Cuisine With a Modern French Influence." Porter is among a few chefs to have received the prestigious gold medal at the World Culinary Olympics, held every four years in Germany, where the world's top chefs are put through

  3. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Novotel Peace Hotel Beijing Business Floor Deal at 1,245 yuan net Benefits available at the Business Floor lounge include: Private check-in/check-out on the 19th floor Late checkout until 2 p.m. Breakfast from 6:30 a.m. to 10a.m. Tea and coffee during opening hours International newspapers

  4. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    The newest and tallest international mid-scale hotel in Beijing’s famous business hub Wangjing will soon hold the 2010 Joyful Christmas Eve party in its 420-square-meter pillarless grand ballroom. Great perfor-mances, a buffet dinner with free flow of red wine, sparkling wine and soft drink and surprise lucky draw await you.

  5. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    Crowne Plaza Park View Wuzhou Beijing Crowne Plaza Park View Wuzhou Beijing,the officially appointed hotel of The Rock-Record 30th Anniversary Concert in the Bird’s Nest,provides a high standard of service both in accommodation and dining areas.A celebration Gala Dinner was held in the hotel’s Crowne Ballroom after the successful

  6. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Crowne Plaza Park View Wuzhou Beijing Dolph Lundgrcn (center), an action movie actor and filmmaker from Hollywood, visited Beijing for his new movie shooting. He was pictured with Roland Steiner (right), General Manager, and llja Poepper (left), Resident Manager of Crowne Plaza Park View Wuzhou Beijing, during his stay at the hotel.

  7. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Crowne Plaza Park View Wuzhou Beijing Lee Soo Sung, former Prime Minister of the Republic of Korea, is warmly welcomed by Ilja Poepper, Resident Manager of Crowne Plaza Park View Wuzhou Beijing, upon his arrival at the hotel on December 22, 2005.

  8. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Grand Millennium Beijing Francois Vanvi, Executive Assistant Manager of Sales and Marketing at Grand Millennium Beijing (right), and Charles Lai, Vice President of Sales and Marketing (Greater China) for Millennium Hotels & Resorts, warmly welcome Hong Kong singer Stefanie Sun during her recent visit to Grand Millennium Beijing.

  9. Minzu Hotel

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    On May 20,Minzu Hotel held its second"Gathering with Us Together,a Journey of Deliciousness"series delicacy salon-Mexican cuisine.Thirty honorable guests were invited to the hotel’s Coffee Mill to taste the delicious Mexican food.

  10. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    Heaven on Earth and Four Season Restaurant At the advent of spring,come to Minzu Hotel to enjoy the un- forgettable moments of the vibrant season overflowing with vigor."Fungus Cuisine Festival"at Heaven on Earth As the season changes,people need more nourishing food to

  11. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Marco Polo Parkside,BEIJING Journalists from a number of leadingBeijing publications were recently invited to Marco Polo Parkside, Beijing, to see and taste first-hand why the hotel is such a unique edition to the city’s culinary scene.

  12. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Hotel Kunlun Four Seasons Coffee Shop Indian Food Festival Discover the temptingly authentic flavors of India! The Four Seasons Garden Coffee Shop proudly hosts an Indian Food Festival through April 6, featuring an extensive array of elaborate delicacies from the north and south of India.

  13. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    The St. Regis Beijing The renaming ceremony in a new Chinese name for the St. Regis Beijing was held at the hotel’s Garden Lounge, announcing the Chinese brand name of the St. Regis Beijing had been officially renamed as Beijing Ruiji Hotel which translates into English as the St. Regis Beijing.

  14. HOTEL INFORMATION

    Institute of Scientific and Technical Information of China (English)

    2011-01-01

    Minzu Hotel’s Autumn Cuisine Combining the flavors of spring and autumn, the Yi Pin Restaurant of the Minzu Hotel has introduced "Emperor Mushroom,"a delicious mushroom-themed cuisine selection. Cooking methods such as traditional stir-frying and stewing are used by the chef to meticulously cook the smooth, fragrant,

  15. Modeling the formation and aging of secondary organic aerosols in Los Angeles during CalNex 2010

    Science.gov (United States)

    Hayes, P. L.; Carlton, A. G.; Baker, K. R.; Ahmadov, R.; Washenfelder, R. A.; Alvarez, S.; Rappengluck, B.; Gilman, J. B.; Kuster, W. C.; de Gouw, J. A.; Zotter, P.; Prevot, A. S. H.; Szidat, S.; Kleindienst, T. E.; Offenberg, J. H.; Ma, P. K.; Jimenez, J. L.

    2015-05-01

    Four different literature parameterizations for the formation and evolution of urban secondary organic aerosol (SOA) frequently used in 3-D models are evaluated using a 0-D box model representing the Los Angeles metropolitan region during the California Research at the Nexus of Air Quality and Climate Change (CalNex) 2010 campaign. We constrain the model predictions with measurements from several platforms and compare predictions with particle- and gas-phase observations from the CalNex Pasadena ground site. That site provides a unique opportunity to study aerosol formation close to anthropogenic emission sources with limited recirculation. The model SOA that formed only from the oxidation of VOCs (V-SOA) is insufficient to explain the observed SOA concentrations, even when using SOA parameterizations with multi-generation oxidation that produce much higher yields than have been observed in chamber experiments, or when increasing yields to their upper limit estimates accounting for recently reported losses of vapors to chamber walls. The Community Multiscale Air Quality (WRF-CMAQ) model (version 5.0.1) provides excellent predictions of secondary inorganic particle species but underestimates the observed SOA mass by a factor of 25 when an older VOC-only parameterization is used, which is consistent with many previous model-measurement comparisons for pre-2007 anthropogenic SOA modules in urban areas. Including SOA from primary semi-volatile and intermediate-volatility organic compounds (P-S/IVOCs) following the parameterizations of Robinson et al. (2007), Grieshop et al. (2009), or Pye and Seinfeld (2010) improves model-measurement agreement for mass concentration. The results from the three parameterizations show large differences (e.g., a factor of 3 in SOA mass) and are not well constrained, underscoring the current uncertainties in this area. Our results strongly suggest that other precursors besides VOCs, such as P-S/IVOCs, are needed to explain the observed

  16. Guidebook of the Western United States: Part F - The Southern Pacific lines, New Orleans to Los Angeles

    Science.gov (United States)

    Darton, Nelson Horatio

    1933-01-01

    The Southern Pacific Railroad from New Orleans to Los Angeles, a distance of about 2,000 miles, passes through a region exhibiting a great variety of geographic and industrial conditions. The climate, especially the amount of precipitation, is the most influential factor in causing this variety. The low Coastal Plain of southern Louisiana and eastern Texas, with ample rainfall and thick rich soils, is a province distinct in configuration, human occupations, and products. There are extensive swamps, prairies, and wooded areas, but a large part of the land is under cultivation, with sugarcane, cotton, and rice as the principal crops. The streams are wide and slow, the winter climate is mild, and the summer heat is tempered by breezes from the Gulf of Mexico. Flourishing towns occur at short intervals, and some of them are growing rapidly. The entire region is underlain by a great thickness of sand and clay of alluvial origin. In central-eastern Texas the Coastal Plain is higher, the soil conditions are materially different, the streams run more swiftly, swamps become rare, and although much land is under cultivation, many areas are either in pasture or not cleared. The vegetation changes with change of soil and increase of altitude, and the crops are more diversified than in the lower parts of the Coastal Plain. The region is underlain by sandstone, shale, and other formations, which rise toward the west, cropping out in regular succession as they are crossed from east to west. Some of these formations are hard enough to make ridges and knobs, and there is general terracing at various levels. Parts of the highest lands are remnants of an old plain of former wide extent. Beyond San Antonio the traveler observes several changes in the general aspect of the country, for although the Coastal Plain extends west to Del Rio, there is both a gradual increase in elevation to about 1,000 feet and a marked diminution of rainfall to the west, which greatly affect landscape and

  17. Self-reported use of Supplemental Nutrition Assistance Program benefits to purchase soda in a public health center population: Los Angeles County, California, 2012.

    Science.gov (United States)

    Barragan, Noel; Gase, Lauren; Butler, Rebecca; Smith, Lisa; Simon, Paul; Kuo, Tony

    2015-01-01

    To better inform local program planning for the Supplemental Nutrition Assistance Program (SNAP), the Los Angeles County Department of Public Health used self-reported data from a public health center population to examine the prevalence of benefits used to purchase soda. We performed statistical analyses, including multivariable regression modeling, using data from a local health and nutrition examination survey. The survey response rate was 69% (n=1,503). More than one-third of survey participants reported receiving, or living in a household where someone receives, nutrition assistance benefits. When asked, 33% (n=170) reported using these benefits to purchase soda "sometimes" and 18% (n=91) reported "often" or "always," suggesting that the use of program benefits to purchase soda was not uncommon in this subpopulation. These findings have meaningful policy and planning implications, as they contribute to ongoing dialogue about strategies for optimizing nutrition among SNAP recipients.

  18. Mountain Meadows Dacite: Oligocene intrusive complex that welds together the Los Angeles Basin, northwestern Peninsular Ranges, and central Transverse Ranges, California

    Science.gov (United States)

    McCulloh, Thane H.; Beyer, Larry A.; Morin, Ronald W.

    2001-01-01

    Dikes and irregular intrusive bodies of distinctive Oligocene biotite dacite and serially related hornblende latite and felsite occur widely in the central and eastern San Gabriel Mountains, southern California, and are related to the Telegraph Peak granodiorite pluton. Identical dacite is locally present beneath Middle Miocene Topanga Group Glendora Volcanics at the northeastern edge of the Los Angeles Basin, where it is termed Mountain Meadows Dacite. This study mapped the western and southwestern limits of the dacite distribution to understand the provenance of derived redeposited clasts, to perceive Neogene offsets on several large strike-slip faults, to test published palinspastic reconstructions, and to better understand the tectonic boundaries that separate contrasting pre-Tertiary rock terranes where the Peninsular Ranges meet the central and western Transverse Ranges and the Los Angeles Basin. Transported and redeposited clasts of dacite-latite occur in deformed lower Miocene and lower middle Miocene sandy conglomerates (nonmarine, nearshore, and infrequent upper bathyal) close to the northern and northeastern margins of the Los Angeles Basin for a distance of nearly 60 km. Tie-lines between distinctive source suites and clast occurrences indicate that large tracts of the ancestral San Gabriel Mountains were elevated along range-bounding faults as early as 16–15 Ma. The tie-lines prohibit very large strike-slip offsets on those faults. Transport of eroded dacite began south of the range as early as 18 Ma. Published and unpublished data about rocks adjacent to the active Santa Monica-Hollywood-Raymond oblique reverse left-lateral fault indicate that cumulative left slip totals 13–14 km and total offset postdates 7 Ma. This cumulative slip, with assembly of stratigraphic and paleogeographic data, invalidates prior estimates of 60 to 90 km of left slip on these faults beginning about 17–16 Ma. A new and different palinspastic reconstruction of a region

  19. Opportunity in our Ignorance: Urban Biodiversity Study Reveals 30 New Species and One New Nearctic Record for Megaselia (Diptera: Phoridae) in Los Angeles (California, USA).

    Science.gov (United States)

    Hartop, Emily A; Brown, Brian V; Disney, R Henry L

    2015-04-02

    An urban biodiversity study sampling primarily from private backyards in Los Angeles, California (USA), reveals the presence of fifty-six species of Megaselia within the first few months of sampling. Thirty of these are described as new to science: M. armstrongorum, M. bradyi, M. brejchaorum, M. carthayensis, M. ciancii, M. creasoni, M. defibaughorum, M. donahuei, M. francoae, M. fujiokai, M. hardingorum, M. heini, M. hentschkeae, M. hoffmanorum, M. hoggorum, M. hoguei, M. isaacmajorum, M. kelleri, M. lombardorum, M. marquezi, M. mikejohnsoni, M. oxboroughae, M. pisanoi, M. renwickorum, M. rodriguezorum, M. sacatelensis, M. seaverorum, M. sidneyae, M. steptoeae, and M. wiegmanae. M. largifrontalis is newly reported from the Nearctic Region. The implications these findings have for future taxonomic work in Megaselia, particularly in urban areas, are discussed.

  20. Business interruption impacts of a terrorist attack on the electric power system of Los Angeles: customer resilience to a total blackout.

    Science.gov (United States)

    Rose, Adam; Oladosu, Gbadebo; Liao, Shu-Yi

    2007-06-01

    Regional economies are highly dependent on electricity, thus making their power supply systems attractive terrorist targets. We estimate the largest category of economic losses from electricity outages-business interruption-in the context of a total blackout of electricity in Los Angeles. We advance the state of the art in the estimation of the two factors that strongly influence the losses: indirect effects and resilience. The results indicate that indirect effects in the context of general equilibrium analysis are moderate in size. The stronger factor, and one that pushes in the opposite direction, is resilience. Our analysis indicates that electricity customers have the ability to mute the potential shock to their business operations by as much as 86%. Moreover, market resilience lowers the losses, in part through the dampening of general equilibrium effects.