WorldWideScience

Sample records for survey geologic investigations

  1. Application of Three-Dimensional Laser Scanning and Surveying in Geological Investigation of High Rock Slope

    Institute of Scientific and Technical Information of China (English)

    Huang Runqiu; Dong Xiujun

    2008-01-01

    The appearance of 3D laser scanning technology is one of the most important technology revolutions in surveying and mapping field. It can be widely used in many interrelated fields, such as engineering constructions and 3D measurements, owing to its prominent characteristics of the high efficiency and high precision. At present its application is still in the initial state, and it is quite rarely used in China, especially in geotechnical engineering and geological engineering fields. Starting with a general introduction of 3D laser scanning technology, this article studies how to apply the technology to high rock slope investigations. By way of a case study, principles and methods of quick slope documentation and occurrence measurement of discontinuities are discussed and analyzed. Analysis results show that the application of 3D laser scanning technology to geotechnical and geological engineering has a great prospect and value.

  2. Hong Kong Geological Survey

    Institute of Scientific and Technical Information of China (English)

    R J Sewell

    2007-01-01

    @@ History and objectives The Hong Kong Geological Survey(HKGS) was created on 5 May,1982,wimin the then Engineering Development Department of the Hong Kong Govemment.The initial objective was to carry out a new geological survey of the Territory at 1∶20,000 scale.This followed recognition of an urgent need to produce high quality geological maps at a large scale with sufficient detail to facilitate physical planning and land use management of Hong Kong.

  3. U.S. GEOLOGICAL SURVEY PROGRAMS AND INVESTIGATIONS RELATED TO SOIL AND WATER CONSERVATION

    Institute of Scientific and Technical Information of China (English)

    W.R.OSTERKAMP; J.R.GRAY

    2001-01-01

    The U.S. Geological Survey has a rich tradition of collecting hydrologic data, especially for fluxes of water and suspended sediment, that provide a foundation for studies of soil and water conservation.Applied and basic research has included investigations of the effects of land use on rangelands,croplands, and forests; hazards mapping; derivation of flood and drought frequency, and other statistics related to streamflow and reservoir storage; development and application of models of rainfall-runoff relations, chemical quality, and sediment movement; and studies of the interactive processes of overland and channel flow with vegetation. Networks of streamgaging stations and (or) sampling sites within numerous drainage basins are yielding information that extends databases and enhances the ability to use those data for interpretive studies.

  4. Summary of U.S. Geological Survey and City of Albuquerque hydrologic investigations program

    Energy Technology Data Exchange (ETDEWEB)

    McAda, D. [Geological Survey, Albuquerque, NM (United States). Water Resources Div.

    1995-12-31

    The US Geological Survey and Albuquerque have been cooperating in data collection programs and interpretive studies since 1982. The paper presents summaries on recently completed and ongoing projects, detailing the objectives, principal investigator, period of the project, and reports released or reports in progress on each study. Project names are: Ground-water-level monitoring network in the Albuquerque Basin; Water budget of the Rio Grande flood plain in the Albuquerque area; Modeling of groundwater flow in the Albuquerque Basin; Continuation of ground water flow modeling in the Albuquerque Basin; Evaluation of methods to quantify the hydrologic relations between the Rio Grande and the Santa Fe Group aquifer system, near Albuquerque; Aquifer compaction and land subsidence in the Albuquerque, NM area; Aquifer test at the Griegos Well Field, Albuquerque, NM; Quality of urban stormwater runoff; Rio Grande water quality; Determining accurate concentrations and loads of trace elements and other selected chemical constituents in the Rio Grande, Albuquerque, NM; Digital geophysical-log data base; and Water quality data for the Albuquerque Basin.

  5. 77 FR 19032 - Geological Survey

    Science.gov (United States)

    2012-03-29

    ... No: 2012-7479] DEPARTMENT OF THE INTERIOR Geological Survey Announcement of National Geospatial Advisory Committee Meeting AGENCY: U.S. Geological Survey, Interior. ACTION: Notice of meeting. SUMMARY... Arista Maher at the U.S. Geological Survey (703-648-6283, amaher@usgs.gov ). Registrations are due...

  6. Proposed program for and present status of the Geological Survey's investigation of domestic resources of radioactive raw materials

    Science.gov (United States)

    Bulter, A.P.; Killeen, P.L.; Page, G.B.; Rubey, W.W.

    1983-01-01

    This interim report is designed to show the present status of the Geological Survey's information and the parts of a comprehensive program necessary to improve our information about the raw material resources of uranium and thorium. Rarely in geologic work has it been necessary. to determine so completely a nation's resources of useful minerals in so brief a span of time. Ordinarily, information on mineral resources Is accumulated during a long period of years. However, uranium and thorium were suddenly thrust from a position of subsidiary economic interest into one of great strategic importance. Information concerning their occurrence must, therefore, be obtained as rapidly as reliable methods of investigation will permit. Accordingly the program must be at once comprehensive and carried out over an area more extensive than is usual in the search for and appraisal of most other mineral resources.

  7. A geological survey in transition

    Institute of Scientific and Technical Information of China (English)

    PeterM.Allen; BernardELeake

    2004-01-01

    This is an account of the changes in funding, administration, and management of the British Geological Survey (BGS), the oldest government-funded geological survey in the world, from the early 1980s to 2000. It will interest students of public administration, historians of science and geological surveys, and those who have followed the convoluted recent history of BGS. Peter Allen has rendered a most valuable service in documenting and describing as an insider (he only recently retired from a position as Assistant Director) the struggles to maintain the Survey and its prime role of discovering,

  8. U.S. Geological Survey

    Science.gov (United States)

    ... Officials Congressional Budget Opportunities Doing Business Emergency Management U.S. Geological Survey Magnitude 7.8 Earthquake in New ... notifications, and learn about hazards and history of U.S. volcanoes. View Alerts Landslides Landslides Learn about landslides ...

  9. The U. S. Geological Survey Geologic Hazards Program

    Science.gov (United States)

    Peck, D.L.

    1982-01-01

    In 1879, Congress established the U.S Geological Survey for "the classification of the public lands and the examination of the geological structure, mineral resources, and products of the national domain." Throughout the past 103 years, the Survey has successfully fulfilled these responsibilities, but it has also been responsive to changing national needs. This responsiveness is well exemplified by the development of the agency's natural hazard programs. Our orignial mision has been expanded to include formal investigations of earthquakes, volcanic eruptions, ground failures, and flood hazards. 

  10. California Geological Survey Geologic Map Index

    Data.gov (United States)

    California Department of Resources — All the individual maps from the Geologic Atlas of California and the Regional Geologic map series have been georeferenced for display in a GIS (and viewable online...

  11. Tracklines of Sidescan-Sonar Survey conducted within Gulf of Farallones, 1989, by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 1989, the U.S. Geological Survey (USGS) began a major geologic and oceanographic investigation of the Gulf of the Farallones continental shelf system, designed to...

  12. Summary of Tertiary investigations in western Saudi Arabia, current work by the U.S. Geological Survey and recommended future studies

    Science.gov (United States)

    Hadley, Donald G.; Schmidt, Dwight Lyman; Coleman, Robert Griffin

    1983-01-01

    In 1936, geologic work related to the Tertiary System in western Saudi Arabia began with a study of the Umm Gerad barite deposit by K. S. Twitchell. In 1944, a study focusing specifically on Tertiary rocks was conducted by Steineke and others near Jiddah. Small-scale mapping of Tertiary sequences began in 1950 in southwestern Saudi Arabia and later in northern 3audi Arabia as part of the Kingdom's early mapping program. These studies were part of a larger program being directed by the Government of Saudi Arabia in connection with mineral resource investigations. In the mid- to late-1960's, the Bureau de Recherches Geologiques et Minieres discovered mineralized Tertiary rocks al Jabal Dhaylan and began a study, which continues to the present, of both the Tertiary rocks and the mineralization. Following a number of early local studies, in 1973 the U.S. Geological Survey began detailed study of the Tertiary layered rocks along the Red Sea coastal plain south of Jiddah. More recently, Riofinex and Seltrust have been exploring for selected commodities in Tertiary sequences of northwestern Saudi Arabia and the Red Sea coastal plain. Results of these studies, including work by the Saudi Arabian Directorate General of Mineral Resources and the Saudi government agency preceding it, are summarized in this report. Characteristics of the Tertiary rocks south of lat 23? N. and the Tertiary mineral deposits of western Saudi Arabia are also summarized. Recommendations are made for future geologic studies and mineral assessment of the Tertiary rocks of western Saudi Arabia.

  13. Geologic studies in Alaska by the U.S. Geological Survey, 1995

    Science.gov (United States)

    Dumoulin, Julie A.; Gray, John E.

    1997-01-01

    This collection of 20 papers continues the annual series of U.S. Geological Survey (USGS) reports on geologic investigations in Alaska1 . Contributions cover a broad spectrum of earth science topics and report results from all parts of the State (fig. 1).

  14. Application of Sampling Methods to Geological Survey

    Institute of Scientific and Technical Information of China (English)

    2000-01-01

    @@There are two kinds of research methods in geological observation study. One is the remote-sensing observation. The other is the partial sampling method extensively used in every stage of the geological work, for example, in arranging the lines and points of geologic survey, and in arranging the exploration engineering. Three problems may occur in practical application of the sampling method: (1) Though we use the partial sampling method in geological work, we must make use of many labor powers, materials and money to accomplish the geological task. Is the method we use appropriate to some special geological task? (2) How many samples or observation points should be appropriate to the geological research?

  15. US Geological Survey customers speak out

    Science.gov (United States)

    Gillespie, S.; Snyder, G.

    1995-01-01

    Provides results of a customer survey carried out in 1994 by the US Geological Survey. Uses of cartographic products are classified, as are application areas, accuracy satisfaction, media, Digital Line Graph requirements in update, and frequency of product use. USGS responses and plans for the future are noted. -M.Blakemore

  16. Geologic and geophysical investigations of Climax stock intrusive, Nevada

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1983-12-31

    This document contains three parts of a survey of Climax stock intrusive, Nevada by the US Geological Survey. The first contains the results of a conventional survey of the site and an investigation of rock composition. The second contains the results of a gravity survey and the third contains the results of a magnetic aerial survey. Each of the three documents contains a separate abstract.

  17. Site investigation SFR. Bedrock geology

    Energy Technology Data Exchange (ETDEWEB)

    Curtis, Philip; Markstroem, Ingemar (Golder Associates AB (Sweden)); Petersson, Jesper (Vattenfall Power Consultant AB (Sweden)); Triumf, Carl-Axel; Isaksson, Hans; Mattsson, Haakan (GeoVista AB (Sweden))

    2011-12-15

    the geological tunnel mapping and eleven drill cores remapped according to the Boremap system, input to model version 1.0 has included the results from eight new cored boreholes as well as a fuller integration of Forsmark site investigation data, a further more extensive review of the drill core from an additional 32 boreholes associated with the construction of the existing SFR facility and an updated mapping of the lower construction tunnel. The current modelling work has also reviewed the older SFR data and models. While details concerning the earlier zones lying in immediate contact with the existing SFR facility have been changed, the earlier overall position, orientation and number of these deformation zones is maintained. A significant difference concerns their thickness due to the contrasting methodologies used during the different campaigns. In SFR model version 0.1, a single deformation zone model was produced, with a volume corresponding to the regional model volume. The model contained all the deformation zones modelled irrespective of size. Separate local and regional deformation zone models have been produced in SFR model version 1.0, following resolution criteria for the different model volumes. The local model contains zones with a minimum size of 300 m, while the regional model has structures that have a minimum size constraint of 1,000 m trace length at the ground surface. The selection of these size limits is related to the model volume maximum depth (local model -300 masl and regional model -1,000 masl) and the applied methodology that requires the same model resolution throughout the defined model volume (see Section 5.3.1). To assist hydrogeological modelling work, an updated combined model, including all structures from both the regional and local models, has also been delivered. The existing SFR facility and the rock volume directly to the south-east, which is proposed for the new facility extension, lies within a tectonic block that is bounded

  18. Site investigation SFR. Bedrock geology

    Energy Technology Data Exchange (ETDEWEB)

    Curtis, Philip; Markstroem, Ingemar (Golder Associates AB (Sweden)); Petersson, Jesper (Vattenfall Power Consultant AB (Sweden)); Triumf, Carl-Axel; Isaksson, Hans; Mattsson, Haakan (GeoVista AB (Sweden))

    2011-12-15

    the geological tunnel mapping and eleven drill cores remapped according to the Boremap system, input to model version 1.0 has included the results from eight new cored boreholes as well as a fuller integration of Forsmark site investigation data, a further more extensive review of the drill core from an additional 32 boreholes associated with the construction of the existing SFR facility and an updated mapping of the lower construction tunnel. The current modelling work has also reviewed the older SFR data and models. While details concerning the earlier zones lying in immediate contact with the existing SFR facility have been changed, the earlier overall position, orientation and number of these deformation zones is maintained. A significant difference concerns their thickness due to the contrasting methodologies used during the different campaigns. In SFR model version 0.1, a single deformation zone model was produced, with a volume corresponding to the regional model volume. The model contained all the deformation zones modelled irrespective of size. Separate local and regional deformation zone models have been produced in SFR model version 1.0, following resolution criteria for the different model volumes. The local model contains zones with a minimum size of 300 m, while the regional model has structures that have a minimum size constraint of 1,000 m trace length at the ground surface. The selection of these size limits is related to the model volume maximum depth (local model -300 masl and regional model -1,000 masl) and the applied methodology that requires the same model resolution throughout the defined model volume (see Section 5.3.1). To assist hydrogeological modelling work, an updated combined model, including all structures from both the regional and local models, has also been delivered. The existing SFR facility and the rock volume directly to the south-east, which is proposed for the new facility extension, lies within a tectonic block that is bounded

  19. Geology, Bedrock - BEDROCK_GEOLOGY_RGM_250K_IN: Bedrock geology of Indiana, from the Regional Geologic Map Series of the Indiana Geological Survey (Indiana Geological Survey, 1:250,000, Polygon Shapefile)

    Data.gov (United States)

    NSGIC GIS Inventory (aka Ramona) — BEDROCK_GEOL_RGM_IN is a polygon shapefile that shows the bedrock geology of the state of Indiana, produced from the Indiana Geological Survey Regional Geologic Map...

  20. Geological studies in Alaska by the U.S. Geological Survey, 1999

    Science.gov (United States)

    Gough, Larry P.; Wilson, Frederic H.

    2001-01-01

    The collection of nine papers that follow continue the series of U.S. Geological Survey (USGS) investigative reports in Alaska under the broad umbrella of the geologic sciences. The series presents new and sometimes preliminary findings that are of interest to earth scientists in academia, government, and industry; to land and resource managers; and to the general public. Reports presented in Geologic Studies in Alaska cover a broad spectrum of topics from various parts of the State (fig. 1), serving to emphasize the diversity of USGS efforts to meet the Nation's needs for earth-science information in Alaska.

  1. Geologic studies in Alaska by the U.S. Geological Survey, 1997

    Science.gov (United States)

    Kelley, Karen D.

    1999-01-01

    The eight papers that follow continue the series of U.S. Geological Survey (USGS) reports on investigations in the geologic sciences in Alaska. The series presents new and sometimes preliminary findings that are of interest to earth scientists in academia, government, and industry; to land and resource managers; and to the general public. Reports presented in Geologic Studies in Alaska cover a broad spectrum of topics from all parts of the State (fig. 1), which serves to emphasize the diversity of USGS efforts to meet the Nation's needs for earth-science information in Alaska.

  2. U.S. Geological Survey Geologic Carbon Sequestration Assessment

    Science.gov (United States)

    Warwick, P. D.; Blondes, M. S.; Brennan, S.; Corum, M.; Merrill, M. D.

    2012-12-01

    The Energy Independence and Security Act of 2007 authorized the U.S. Geological Survey (USGS) to conduct a national assessment of potential geological storage resources for carbon dioxide (CO2) in consultation with the U.S. Department of Energy (DOE), the U.S. Environmental Protection Agency (EPA) and State geological surveys. To conduct the assessment, the USGS developed a probability-based assessment methodology that was extensively reviewed by experts from industry, government and university organizations (Brennan et al., 2010, http://pubs.usgs.gov/of/2010/1127). The methodology is intended to be used at regional to sub-basinal scales and it identifies storage assessment units (SAUs) that are based on two depth categories below the surface (1) 3,000 to 13,000 ft (914 to 3,962 m), and (2) 13,000 ft (3,962 m) and greater. In the first category, the 3,000 ft (914 m) minimum depth of the storage reservoir ensures that CO2 is in a supercritical state to minimize the storage volume. The depth of 13,000 ft (3,962 m) represents maximum depths that are accessible with average injection pressures. The second category represents areas where a reservoir formation has potential storage at depths below 13,000 ft (3,962 m), although they are not accessible with average injection pressures; these are assessed as a separate SAU. SAUs are restricted to formation intervals that contain saline waters (total dissolved solids greater than 10,000 parts per million) to prevent contamination of protected ground water. Carbon dioxide sequestration capacity is estimated for buoyant and residual storage traps within the basins. For buoyant traps, CO2 is held in place in porous formations by top and lateral seals. For residual traps, CO2 is contained in porous formations as individual droplets held within pores by capillary forces. Preliminary geologic models have been developed to estimate CO2 storage capacity in approximately 40 major sedimentary basins within the United States. More than

  3. Integrated geological and multi-electrode resistivity surveys for groundwater investigation in Kampung Rahmat village and its vicinity, Jeli district, Kelantan, Malaysia

    Science.gov (United States)

    Nazaruddin, Dony Adriansyah; Amiruzan, Zafirah Sakinah; Hussin, Hamzah; Jafar, Mohamad Taufiq Mohd

    2017-03-01

    The integration of geological and multi-electrode resistivity surveys has been carried out in Kampung Rahmat village and its vicinity, in Jeli district, Kelantan, Malaysia as part of the groundwater resources exploration for rural water supply. A geological survey in the study area has shown that the area consists of some topographic units: mountainous area, hilly area, and low-lying to undulating area. The study area is lithologically composed of granitic rocks (megacrystic biotite granite porphyry) overlain by Quaternary alluvial deposits (with weathered granite). For the multi-electrode resistivity survey, the Schlumberger array with a maximum electrode spread of 200 m was conducted by employing three resistivity survey lines, where data were collected by using the ABEM Terrameter SAS 4000 and ABEM LUND ES464 electrode selector system, and processed by using RES2DINV software. The images were presented in the form of two-dimensional (2D) resistivity profiles providing a clear view of the distribution of granitic rock basement and alluvial deposits (with the weathered granite) as well as potential groundwater zones. The results show that the study area has potential groundwater resources existing in the alluvium which become the unconfined aquifers. The combination between these two methods is reliable and successful in identifying potentially favorable zones for obtaining groundwater in the study area.

  4. SURVEYS: Outlines of U.S. Geological Survey, Coastal and Marine Geology Program (USGS/CMGP) seafloor mapping surveys

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This is a polygon GIS data layer showing the location and extent of various sidescan, multibeam and swath bathymetry surveys conducted by the USGS, Coastal and...

  5. SURVEYS: Outlines of U.S. Geological Survey, Coastal and Marine Geology Program (USGS/CMGP) seafloor mapping surveys

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This is a polygon GIS data layer showing the location and extent of various sidescan, multibeam and swath bathymetry surveys conducted by the USGS, Coastal and...

  6. U.S. Geological Survey Gap Analysis Program

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The Gap Analysis Program (GAP) is an element of the U.S. Geological Survey (USGS). GAP helps to implement the Department of Interior?s goals of inventory,...

  7. Geochemistry@BGS : a guide to geochemical data at the British Geological Survey

    OpenAIRE

    Johnson, C C

    2011-01-01

    This report reviews the main activities in the British Geological Survey (and previously as the Institute of Geological Sciences) that have generated geochemical data. Included are; the mineral reconnaissance programme; regional geochemical mapping; groundwater geochemistry; marine and estuarine surveys; environmental geochemistry and health; radiometric surveys; isotopic geochemistry; lithogeochemical investigations; organic geochemistry laboratories; and many international activities involv...

  8. U. S. Geological Survey programs in Pennsylvania

    Science.gov (United States)

    ,

    1996-01-01

    The U.S. Geological Survey (USGS) is involved in mapping and studying land, mineral, biological, and water resources and determining the risk from earthquakes and other natural hazards, which are of importance to the citizens of Pennsylvania. This Fact Sheet describes how the USGS is addressing some of the major environmental issues in Pennsylvania, which include availability of mineral resources; contamination of the environment by hazardous wastes; effects of coal mining, oil and gas production, and agriculture on the environment; nutrient input to streams and estuaries; and adequacy of good-quality water supplies. Information on acquiring the thousands of map, book, and aerial photographic products of the USGS also is given.

  9. Results from Marine geological investigations outside Forsmark

    Energy Technology Data Exchange (ETDEWEB)

    Nyberg, Johan; Elhammer, Anders; Sohlenius, Gustav; Kjellin, Bernt; Nordgren, Paer (Geological Survey of Sweden (Sweden))

    2011-08-15

    A detailed marine geological survey was conducted in a 10 km2 large area outside Forsmark comprising hydro acoustic, 100 m spacing between survey lines, and groundtruthing. These data, together with reanalyzed survey data retrieved in 2002 from the same area, were used to produce maps of seabed and underlying bedrock surface morphology as well as horizontal and vertical extension of sediments. An esker is discovered running approximately in a north northwesterly-south southeasterly direction in the area, which may be causing submarine groundwater discharge. Pockmarks, which are caused by sediment gas of thermogenic and/or microbial origin, are detected in the area. In addition to the original commissioned survey, bedrock surface and seabed morphology as well as horizontal and vertical extension of sediments in a larger adjacent area were reanalyzed and produced from survey lines retrieved during a commission by SKB in 2002 and during SGUs regular mapping program in 2002, 2008 and 2009

  10. Investigation on geological environments (IGE)

    Energy Technology Data Exchange (ETDEWEB)

    Lerouge, C.; Widory, D.; Guerrot, C.; Gaucher, E.C. [Bureau de Recherches Geologiques et Minieres (BRGM), 45 - Orleans (France); Buschaert, S. [ANDRA - Agence Nationale pour la Gestion des Dechets Radioactifs, Dir. Scientifique, 92 - Chatenay Malabry (France); Kurikami, H.; Takeuchi, R. [JAEA - Japan Atomic Energy Agency, Hokkaido (Japan); Yabuuchi, S. [METI - Ministry of Economy, Trade and Industry, Tokyo (Japan); Kunimaru, T. [Japan Atomic Energy Agency (JAEA), Horonobe Underground Research Unit, Geological Isolation Research and Development Directorate, Hokkaido (Japan); Yamamoto, H. [Technology Center, Taisei Corporation, Yokohama (Japan); Matray, J.M.; Savoye, S.; Cabrera, J.; Lecathelinais, P. [Institut de Radioprotection et de Surete Nucleaire (IRSN), 92 - Fontenay-aux-Roses (France); Goncalves, J.; Girardin, I. [Universite Pierre et Marie Curie, UMR 7619-Sisyphe, 75 - Paris (France); Craen, M. de; Honty, M.; Wemaere, I.; Van Geet, M. [SCK-CEN - Belgian Nuclear Research Centre - Environment, Healt and Safety Institute, Mol (Belgium); Van Geet, M. [ONDRAF/NIRAS - Belgian Agency for Radioactive Waste and Enriched Fissile Materials, Brussel (Belgium); Le Gal La Salle, C.; Lancelot, J. [Nimes Univ., GIS, UMR 6635 CNRS, 30 (France); Benedetti, L.; Bourles, D.; Hamelin, B. [Aix-Marseille-3 Univ., CEREGE, UMR 6635 CNRS, 13 (France); Fatmi, H.; Ababou, R. [Institut de Mecanique des Fluides de Toulouse, 31 -Toulouse (France); Wemaere, I.; Marivoet, J.; Labat, S. [SCK-CEN - Belgian Nuclear Research Centre, Mol (Belgium); Fedor, F. [MECSEKERC Ltd, Dir. of Environmental Protection (Hungary); Mathe, Z. [MECSEKERC Ltd, Lab. of Env. Geology and Soil Mechanics (Hungary); Hamos, G. [MECSEKERC Ltd, Dept. of Geosciences (Hungary); Somodi, G. [MECSEKERC Ltd, Dept. of Geotechnics (Hungary)

    2007-07-01

    This session gathers 9 articles (posters) dealing with: (S, O, Sr) isotopic constraints on the diagenetic evolution of the Callovo-Oxfordian formation at the Meuse/Haute-Marne URL; the scale effect and heterogeneity of hydraulic conductivity of sedimentary rocks at Horonobe URL site; the investigation and modeling of 3D distribution of water chemistries in Horonobe, Hokkaido, Japan; PH4: a 250 m deep borehole in Tournemire for assessing the contribution of transport phenomena to assumed overpressures in the Toarcian/Domerian semipermeable; the lateral variability of mineralogy and pore water chemistry of the Boom Clay; {sup 36}Cl in groundwaters of Oxfordian and Dogger limestones of the Eastern Paris basin: implications for old groundwater dating; the statistical preprocessing and analyses of hydro-geo-meteorologic time series in the PP experiment of Mont Terri (method. and first results); the hydraulic conductivity of the Boom Clay in north-east Belgium based on four core-drilled boreholes; and a new approach of laboratory permeability measurement of very tight rocks: experimental data of BCF, Mecsek Mts, SW Hungary.

  11. United States Geological Survey, programs in Nevada

    Science.gov (United States)

    ,

    1995-01-01

    The U.S. Geological Survey (USGS) has been collecting and interpreting natural-resources data in Nevada for more than 100 years. This long-term commitment enables planners to manage better the resources of a State noted for paradoxes. Although Nevada is one of the most sparsely populated States in the Nation, it has the fastest growing population (fig. 1). Although 90 percent of the land is rural, it is the fourth most urban State. Nevada is the most arid State and relies heavily on water resources. Historically, mining and agriculture have formed the basis of the economy; now tourism and urban development also have become important. The USGS works with more than 40 local, State, and other Federal agencies in Nevada to provide natural-resources information for immediate and long-term decisions.Subjects included in this fact sheet:Low-Level Radioactive-Waste DisposalMining and Water in the Humboldt BasinAquifer Systems in the Great BasinWater Allocation in Truckee and Carson BasinsNational Water-Quality Assessment ProgramMinerals Assessment for Land ManagementIrrigation DrainageGround-Water Movement at Nevada Test SiteOil and Gas ResourcesNational Mapping ProgramDigital Mapping and Aerial PhotographyCollection of Hydrologlc DataGeologic MappingEarthquake HazardsAssessing Mineral Resources of the SubsurfaceEarth Observation DataCooperative Programs

  12. Apparatus investigates geological aspects of gas hydrates

    Science.gov (United States)

    Booth, J.S.; Winters, W.J.; Dillon, William P.

    1999-01-01

    The US Geological Survey has developed a laboratory research system which allows the study of the creation and dissociation of gas hydrates under deepwater conditions and with different sediment types and pore fluids. The system called GHASTLI (gas hydrate and sediment test laboratory instrument) comprises a pressure chamber which holds a sediment specimen, and which can simulate water depths to 2,500m and different sediment overburden. Seawater and gas flow through a sediment specimen can be precisely controlled and monitored. It can simulate a wide range of geology and processes and help to improve understanding of gas hydrate processes and aid prediction of geohazards, their control and potential use as an energy source. This article describes GHASTLI and how it is able to simulate natural conditions, focusing on fluid volume, acoustic velocity-compressional and shear wave, electric resistance, temperature, pore pressure, shear strength, and permeability.

  13. Unpublished Digital Surficial Geologic Map of Mesa Verde National Park and Vicinity, Colorado (NPS, GRD, GRI, MEVE, MVSR digital map) adapted from a U.S. Geological Survey Scientific Investigations map by Carrara (2012)

    Data.gov (United States)

    National Park Service, Department of the Interior — The Unpublished Digital Surficial Geologic Map of Mesa Verde National Park and Vicinity, Colorado is composed of GIS data layers complete with ArcMap 9.3 layer...

  14. Unpublished Digital Geologic Map of the Chisos Mountains, Texas (NPS, GRD, GRI, BIBE, CMTN digital map) adapted from a U.S. Geological Survey Scientific Investigations Map by Bohannon (2011)

    Data.gov (United States)

    National Park Service, Department of the Interior — The Unpublished Digital Geologic Map of the Chisos Mountains, Texas is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two ancillary GIS...

  15. The United States Geological Survey in Alaska: Accomplishments during 1981

    Science.gov (United States)

    Coonrad, Warren L.; Elliot, Raymond L.

    1984-01-01

    This report of accomplishments of the U.S. Geological Survey in Alaska during 1981 contains summary and topical accounts of the results of studies on a wide range of topics of economic and scientific interest. In addition, many more detailed maps and reports are included in the lists of references cited for each article and in the appended compilations of 277 reports on Alaska published by the U.S. Geological Survey and of 103 reports, by U.S. Geological Survey authors in various other scientific publications.

  16. The United States Geological Survey in Alaska: Accomplishments during 1980

    Science.gov (United States)

    Coonrad, Warren L.

    1982-01-01

    This report of accomplishments of the U.S. Geological Survey in Alaska during 1980 contains summary and topical accounts of results of studies in a wide range of topics of economic and scientific interest. In addition, many more detailed maps and reports are included in the lists of references cited for each article and in the appended compilations of 297 reports on Alaska published by the U.S. Geological Survey and of 177 reports by U.S. Geological Survey authors in various other scientific publications.

  17. Geological-geotechnical investigation for large horizontal directional drilling

    Energy Technology Data Exchange (ETDEWEB)

    Martins, Pedro R.R.; Rocha, Ronaldo; Avesani Neto, Jose Orlando; Placido, Rafael R.; Ignatius, Scandar G.; Galli, Vicente Luiz [Instituto de Pesquisas Tecnologicas do Estado de Sao Paulo (IPT), Sao Paulo, SP (Brazil); Amaral, Claudio S. [Centro de Pesquisa Leopoldo A. Miguez de Melo (CENPES/PETROBRAS), Rio de Janeiro, RJ (Brazil)

    2009-07-01

    Use of Horizontal Directional Drilling - HDD for large diameter (OD>20 inches) pipeline installation started in the second half of the seventies. Since then the method became the preferred alternative for situations in which it is necessary an underground pipeline but there are concerns about digging trenches. Crossings of roadways, water bodies and environmental sensitive areas are typical examples of its application. Technical and economic feasibility of HDD depends significantly on the properties of the materials that will be drilled. Lack of information about these materials can lead to several problems as: schedule delays, cost elevation, pipeline damage, unforeseen environmental impacts and even the failure of the entire operation. Ground investigation campaigns for HDD should define a consistent geological-geotechnical model, which must include determination of behaviour parameters for soil and rock masses that will be drilled. Thus it is proposed an investigation in tree stages: review of available geological-geotechnical information, site reconnaissance, and field survey. (author)

  18. The STRATAFORM Project: U.S. Geological Survey geotechnical studies

    Science.gov (United States)

    Minasian, Diane L.; Lee, Homa J.; Locat, Jaques; Orzech, Kevin M.; Martz, Gregory R.; Israel, Kenneth

    2001-01-01

    This report presents physical property logs of core samples from an offshore area near Eureka, CA. The cores were obtained as part of the STRATAFORM Program (Nittrouer and Kravitz, 1995, 1996), a study investigating how present sedimentation and sediment transport processes influence long-term stratigraphic sequences preserved in the geologic record. The core samples were collected during four separate research cruises to the northern California study area, and data shown in the logs of the cores were collected using a multi-sensor whole core logger. The physical properties collected are useful in identifying stratigraphic units, ground-truthing acoustic imagery and sub-bottom profiles, and in understanding mass movement processes. STRATA FORmation on Margins was initiated in 1994 by the Office of Naval Research, Marine Geology and Geophysics Department as a coordinated multi-investigator study of continental-margin sediment transport processes and stratigraphy (Nittrouer and Kravitz, 1996). The program is investigating the stratigraphic signature of the shelf and slope parts of the continental margins, and is designed to provide a better understanding of the sedimentary record and a better prediction of strata. Specifically, the goals of the STRATAFORM Program are to (Nittrouer and Kravitz, 1995): - determine the geological relevance of short-term physical processes that erode, transport, and deposit particles and those processes that subsequently rework the seabed over time scales - improve capabilities for identifying the processes that form the strata observed within the upper ~100 m of the seabed commonly representing 104-106 years of sedimentation. - synthesize this knowledge and bridge the gap between time scales of sedimentary processes and those of sequence stratigraphy. The STRATAFORM Program is divided into studies of the continental shelf and the continental slope; the geotechnical group within the U.S. Geological Survey provides support to both parts

  19. Digital Field Mapping with the British Geological Survey

    Science.gov (United States)

    Leslie, Graham; Smith, Nichola; Jordan, Colm

    2014-05-01

    data into corporate standard geological models and derivative map outputs. BGS•SIGMA2012 is the default toolkit within BGS for bedrock and superficial geological mapping and other data acquisition projects across the UK, both onshore and offshore. It is used in mapping projects in Africa, the Middle East and the USA, and has been taken to Japan as part of the Tohoku tsunami damage assessment project. It is also successfully being used worldwide by other geological surveys e.g. Norway and Tanzania; by universities including Leicester, Keele and Kyoto, and by organisations such as Vale Mining in Brazil and the Montana Bureau of Mines and Geology. It is used globally, with over 2000 licenses downloaded worldwide to date and in use on all seven continents. Development of the system is still ongoing as a result of both user feedback and the changing face of technology. Investigations into the development of a BGS•SIGMA smartphone app are currently taking place alongside system developments such as a new and more streamlined data entry system.

  20. U.S. Geological Survey Gap Analysis Program Species Ranges

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — GAP species range data show a coarse representation of the total areal extent of a species or the geographic limits within which a species can be found (Morrison...

  1. U.S. Geological Survey Gap Analysis Program Species Ranges

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — GAP species range data show a coarse representation of the total areal extent of a species or the geographic limits within which a species can be found (Morrison and...

  2. Grab Sample Locations & Surficial Sediment Texture collected by the U.S. Geological Survey 1999-2003 offshore of the Grand Strand, South Carolina region (GRABS, Point shapefile)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 1999, the U.S. Geological Survey (USGS), in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline...

  3. Composite Sidescan-Sonar Mosaic collected by the U.S. Geological Survey offshore of the Grand Strand, SC (1999 to 2003) (MOSAIC, GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 1999, the U.S. Geological Survey (USGS), in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline...

  4. Grab Sample Locations & Surficial Sediment Texture collected by the U.S. Geological Survey 1999-2003 offshore of the Grand Strand, South Carolina region (GRABS, Point shapefile)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 1999, the U.S. Geological Survey (USGS), in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline...

  5. Research on Geological Survey Data Management and Automatic Mapping Technology

    Directory of Open Access Journals (Sweden)

    Dong Huang

    2017-01-01

    Full Text Available The data management of a large geological survey is not an easy task. To efficiently store and manage the huge datasets, a database of geological information on the basis of Microsoft Access has been created. By using the database of geological information, we can make easily and scientifically store and manage the large geological information. The geological maps—borehole diagrams, the rose diagrams for the joint trends, and joint isointensity diagrams—are traditionally drawn by hand, which is not efficient way; next, it is not easily possible to modify. Therefore, to solve those problems, the automatic mapping method and associated interfaces have been developed by using VS2010 and geological information database; these developments are presented in this article. This article describes the theoretical basis of the new method in detail and provides a case study of practical engineering to demonstrate its application.

  6. The U.S.Geological Survey Energy Resources Program

    Science.gov (United States)

    ,

    2010-01-01

    Energy resources are an essential component of modern society. Adequate, reliable, and affordable energy supplies obtained using environmentally sustainable practices underpin economic prosperity, environmental quality and human health, and political stability. National and global demands for all forms of energy are forecast to increase significantly over the next several decades. Throughout its history, our Nation has faced important, often controversial, decisions regarding the competing uses of public lands, the supply of energy to sustain development and enable growth, and environmental stewardship. The U.S. Geological Survey (USGS) Energy Resources Program (ERP) provides information to address these challenges by supporting scientific investigations of energy resources, such as research on the geology, geochemistry, and geophysics of oil, gas, coal, heavy oil and natural bitumen, oil shale, uranium, and geothermal resources, emerging resources such as gas hydrates, and research on the effects associated with energy resource occurrence, production, and (or) utilization. The results from these investigations provide impartial, robust scientific information about energy resources and support the U.S. Department of the Interior's (DOI's) mission of protecting and responsibly managing the Nation's natural resources. Primary consumers of ERP information and products include the DOI land- and resource-management Bureaus; other Federal, State, and local agencies; the U.S. Congress and the Administration; nongovernmental organizations; the energy industry; academia; international organizations; and the general public.

  7. Geological Survey data as a support for EPOS

    Science.gov (United States)

    Tulstrup, Jørgen; Robida, Francois; Harrison, Matthew; Bogaard, Paul; Pedersen, Mikael

    2015-04-01

    The National Geological Surveys of Europe have through many years collaborated on making their large possessions of geological data available for researchers, the general public and decision makers at all levels. Numerous projects have been carried out with the aim of harmonizing data across national boundaries and making data interoperable by delivering them according to international standards like those defined by INSPIRE, OGC, CGI and others. In 2012 - 2014 an EU co-funded study was carried out with the title of EGDI-Scope. The study showed how an integrated European Geological Data Infrastructure (EGDI) can be established so that all sorts of geological data form the Geological Surveys can be accessed in a common way by the relevant stakeholders. The establishment of such an EGDI is a cornerstone of the strategy of the organization of the Geological Surveys of Europe, EuroGeoSurveys, and the organization has decided to start implementing the infrastructure and establishing an organization which will ensure that this will be sustained. One of the most obvious user groups for the geological information is EPOS, the European Plate Observing System, which will be implemented in the coming years. The EPOS implementation project therefore contains a specific workpackage to establish the connection between the Geological Survey data and the rest of EPOS. A Thematic Core Service (TCS) for geological data and modeling will be built for making the data available for the Integrated Core Services of EPOS. The TCS will deal with borehole data, digital geological maps, geophysical data like seismics and borehole logs, archived physical geological material like samples and cores, geochemical and other analyses of rocks, soil and minerals as well as with 3D and 4D geological models of the subsurface. Great emphasis will be put on making the system sustainable and with easy access and the idea is also to further develop and promote the international standards for data exchange

  8. Geological Mapping of Sabah, Malaysia, Using Airborne Gravity Survey

    DEFF Research Database (Denmark)

    Fauzi Nordin, Ahmad; Jamil, Hassan; Noor Isa, Mohd;

    2016-01-01

    using airborne gravity surveys. Airborne gravity data over land areas of Sabah has been combined with the marine airborne gravity data to provide a seamless land-to-sea gravity field coverage in order to produce the geological mapping. Free-air and Bouguer anomaly maps (density 2.67 g/cm3) have been......Airborne gravimetry is an effective tool for mapping local gravity fields using a combination of airborne sensors, aircraft and positioning systems. It is suitable for gravity surveys over difficult terrains and areas mixed with land and ocean. This paper describes the geological mapping of Sabah...... gravity data were 5-6 km. The airborne gravity survey database for landand marine areas has been compiled using ArcGIS geodatabase format in order to produce the update geological map of Sabah....

  9. U.S. Geological Survey activities, fiscal year 1981

    Science.gov (United States)

    ,

    1982-01-01

    This U.S. Geological Survey Activities report for fiscal year 1981 presents a summary of the work performed between October 1, 1980 and September 30, 1981. The main sections of this report are: (1) The Year in Review; a brief overview of the significant events of the Geological Survey during fiscal year 1980; (2) Perspectives; essays focusing on specific events (rather than scientific topics) and programs involving multi-Division participation; (3) Missions, Organization, and Budget; a description of the Geological Survey 's major duties and assignments and of the organizational structure that supports its missions; and (4) Division Chapters; a description of the significant accomplishments (rather than a comprehensive program by program discussion) of each of the eight operating Divisions and Offices. Also included are supplementary information regarding key personnel, cooperators, and selected summary budgetary tables. (USGS)

  10. Groundwater contaminant science activities of the U.S. Geological Survey in New England

    Science.gov (United States)

    Weiskel, Peter K.

    2016-03-23

    Aquifers in New England provide water for human needs and natural ecosystems. In some areas, however, aquifers have been degraded by contaminants from geologic and human sources. In recent decades, the U.S. Geological Survey has been a leader in describing contaminant occurrence in the bedrock and surficial aquifers of New England. In cooperation with Federal, State, and local agencies, the U.S. Geological Survey has also studied the vulnerability of groundwater to contaminants, the factors affecting the geographic distribution of contaminants, and the geochemical processes controlling contaminant transport and fate. This fact sheet describes some of the major science needs in the region related to groundwater contaminants and highlights recent U.S. Geological Survey studies that provide a foundation for future investigations.

  11. Records and history of the United States Geological Survey

    Science.gov (United States)

    Nelson, Clifford M.

    2000-01-01

    This publication contains two presentations in Portable Document Format (PDF). The first is Renee M. Jaussaud's inventory of the documents accessioned by the end of 1997 into Record Group 57 (Geological Survey) at the National Archives and Records Administration's (NARA) Archives II facility in College Park, Md., but not the materials in NARA's regional archives. The second is Mary C. Rabbitt's 'The United States Geological Survey 1879-1989,' which appeared in 1989 as USGS Circular 1050. Additionally, USGS Circular 1050 is also presented in Hyper Text Markup Language (HTML) format.

  12. U.S. Geological Survey silicate rock standards

    Science.gov (United States)

    Flanagan, F.J.

    1967-01-01

    The U.S. Geological Survey has processed six silicate rocks to provide new reference samples to supplement G-1 and W-1. Complete conventional, rapid rock, and spectrochemical analyses by the U.S. Geological Survey are reported for a granite (replacement for G-1), a granodiorite, an andesite, a peridotite, a dunite, and a basalt. Analyses of variance for nickel, chromium, copper, and zirconium in each rock sample showed that for these elements, the rocks can be considered homogeneous. Spectrochemical estimates are given for the nickel, chromium, copper, and zirconium contents of the samples. The petrography of five of the six rocks is described and CIPW norms are presented. ?? 1967.

  13. Geologic mapping of Kentucky; a history and evaluation of the Kentucky Geological Survey--U.S. Geological Survey Mapping Program, 1960-1978

    Science.gov (United States)

    Cressman, Earle Rupert; Noger, Martin C.

    1981-01-01

    In 1960, the U.S. Geological Survey and the Kentucky Geological Survey began a program to map the State geologically at a scale of 1:24,000 and to publish the maps as 707 U.S. Geological Survey Geologic Quadrangle Maps. Fieldwork was completed by the spring of 1977, and all maps were published by December 1978. Geologic mapping of the State was proposed by the Kentucky Society of Professional Engineers in 1959. Wallace W. Hagan, Director and State Geologist of the Kentucky Geological Survey, and Preston McGrain, Assistant State Geologist, promoted support for the proposal among organizations such as Chambers of Commerce, industrial associations, professional societies, and among members of the State government. It was also arranged for the U.S. Geological Survey to supply mapping personnel and to publish the maps; the cost would be shared equally by the two organizations. Members of the U.S. Geological Survey assigned to the program were organized as the Branch of Kentucky Geology. Branch headquarters, including an editorial staff, was at Lexington, Ky., but actual mapping was conducted from 18 field offices distributed throughout the State. The Publications Division of the U.S. Geological Survey established a cartographic office at Lexington to prepare the maps for publication. About 260 people, including more than 200 professionals, were assigned to the Branch of Kentucky Geology by the U.S. Geological Survey at one time or another. The most geologists assigned any one year was 61. To complete the mapping and ancillary studies, 661 professional man-years were required, compared with an original estimate of 600 man-years. A wide variety of field methods were used, but most geologists relied on the surveying altimeter to obtain elevations. Surface data were supplemented by drill-hole records, and several dozen shallow diamond-drill holes were drilled to aid the mapping. Geologists generally scribed their own maps, with a consequent saving of publication costs

  14. Computer input and output files associated with ground-water-flow simulations of the Albuquerque Basin, central New Mexico, 1901-95, with projections to 2020; (supplement three to U.S. Geological Survey Water-resources investigations report 94-4251)

    Science.gov (United States)

    Kernodle, J.M.

    1996-01-01

    This report presents the computer input files required to run the three-dimensional ground-water-flow model of the Albuquerque Basin, central New Mexico, documented in Kernodle and others (Kernodle, J.M., McAda, D.P., and Thorn, C.R., 1995, Simulation of ground-water flow in the Albuquerque Basin, central New Mexico, 1901-1994, with projections to 2020: U.S. Geological Survey Water-Resources Investigations Report 94-4251, 114 p.) and revised by Kernodle (Kernodle, J.M., 1998, Simulation of ground-water flow in the Albuquerque Basin, 1901-95, with projections to 2020 (supplement two to U.S. Geological Survey Water-Resources Investigations Report 94-4251): U.S. Geological Survey Open-File Report 96-209, 54 p.). Output files resulting from the computer simulations are included for reference.

  15. The U.S. Geological Survey Astrogeology Science Center

    Science.gov (United States)

    Kestay, Laszlo P.; Vaughan, R. Greg; Gaddis, Lisa R.; Herkenhoff, Kenneth E.; Hagerty, Justin J.

    2017-07-17

    In 1960, Eugene Shoemaker and a small team of other scientists founded the field of astrogeology to develop tools and methods for astronauts studying the geology of the Moon and other planetary bodies. Subsequently, in 1962, the U.S. Geological Survey Branch of Astrogeology was established in Menlo Park, California. In 1963, the Branch moved to Flagstaff, Arizona, to be closer to the young lava flows of the San Francisco Volcanic Field and Meteor Crater, the best preserved impact crater in the world. These geologic features of northern Arizona were considered good analogs for the Moon and other planetary bodies and valuable for geologic studies and astronaut field training. From its Flagstaff campus, the USGS has supported the National Aeronautics and Space Administration (NASA) space program with scientific and cartographic expertise for more than 50 years.

  16. U.S. Geological Survey programs in Texas

    Science.gov (United States)

    ,

    1996-01-01

    The U.S. Geological Survey (USGS) is the Federal Government's primary source of data on the quantity and quality of the Nation's water resources, its principal civilian map making agency, and its primary provider of information on natural hazards and mineral, energy, and biological resources. The USGS makes unbiased scientific information available equally to all interested parties.

  17. BGS·SIGMA - Digital mapping at the British Geological Survey

    Science.gov (United States)

    Smith, Nichola; Lawrie, Ken

    2017-04-01

    Geological mapping methods have evolved significantly over recent decades and this has included the transition to digital field data capture. BGS has been developing methodologies and technologies for this since 2001, and has now reached a stage where our custom built data capture and map compilation system (BGS·SIGMAv2015) is the default toolkit, within BGS, for bedrock and superficial mapping across the UK and overseas. In addition, BGS scientists also use the system for other data acquisition projects, such as landslide assessment, geodiversity audits and building stone studies. BGS·SIGMAv2015 is an integrated toolkit which enables assembly, interrogation and visualisation of existing geological information; capture of, and integration with, new data and geological interpretations; and delivery of digital products and services. From its early days as a system which used PocketGIS run on Husky Fex21 hardware, to the present day system, developed using ESRI's ArcGIS built on top of a bespoke relational data model, running on ruggedized tablet PCs with integrated GPS units, the system has evolved into a comprehensive system for digital geological data capture, mapping and compilation. The benefits, for BGS, of digital data capture are huge. Not only are the data being gathered in a standardised format, with the use of dictionaries to ensure consistency, but project teams can start building their digital geological map in the field by merging data collected by colleagues, building line-work and polygons, and subsequently identifying areas for further investigation. This digital data can then be easily incorporated into corporate databases and used in 3D modelling and visualisation software once back in the office. BGS is now at a stage where the free external release of our digital mapping system is in demand across the world, with 3000 licences being issued to date, and is successfully being used by other geological surveys, universities and exploration companies

  18. Directions of the US Geological Survey Landslide Hazards Reduction Program

    Science.gov (United States)

    Wieczorek, G.F.

    1993-01-01

    The US Geological Survey (USGS) Landslide Hazards Reduction Program includes studies of landslide process and prediction, landslide susceptibility and risk mapping, landslide recurrence and slope evolution, and research application and technology transfer. Studies of landslide processes have been recently conducted in Virginia, Utah, California, Alaska, and Hawaii, Landslide susceptibility maps provide a very important tool for landslide hazard reduction. The effects of engineering-geologic characteristics of rocks, seismic activity, short and long-term climatic change on landslide recurrence are under study. Detailed measurement of movement and deformation has begun on some active landslides. -from Author

  19. Model data for pore network modeling of the electrical signature of solute transport in dual-domain media, U.S. Geological Survey data release: U.S. Geological Survey data release

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Pore network simulations were performed to investigate the electrical geophysical signature of solute-transport in dual-domain media. This data release includes...

  20. Landslide databases review in the Geological Surveys of Europe

    Science.gov (United States)

    Herrera, Gerardo

    2017-04-01

    Landslides are one of the most widespread geohazards in Europe, producing significant social and economic damages. Rapid population growth in urban areas throughout many countries in Europe and extreme climatic scenarios can considerably increase landslide risk in the near future. However, many European countries do not include landslide risk into their legislation. Countries lack official methodological assessment guidelines and knowledge about landslide impacts. Although regional and national landslide databases exist in most countries, they are often not integrated because they are owed by different institutions. Hence, a European Landslides Directive, that provides a common legal framework for dealing with landslides, is necessary. With this long-term goal in mind, we present a review of the landslide databases from the Geological Surveys of Europe focusing on their interoperability. The same landslide classification was used for the 849,543 landslide records from the Geological Surveys, from which 36% are slides, 10 % falls, 20% flows, 11% complex slides and 24% remain either unclassified or correspond to another typology. A landslide density map was produced from the available records of the Geological Surveys of 17 countries showing the variable distribution of landslides. There are 0.2 million km2 of landslide prone areas. The comparison of this map with the European landslide susceptibility map ELSUS v1 was successful for 73% of the predictions, and permitted identification of 25% of susceptible areas where landslide records are not available from the Geological Surveys. Taking these results into account the completeness of these landslide databases was evaluated, revealing different landslide hazard management approaches between surveys and countries.

  1. Flow characteristics at U.S. Geological Survey streamgages in the conterminous United States.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This dataset represents point locations and flow characteristics for current (as of November 20, 2001) and historical U.S. Geological Survey (USGS) streamgages in...

  2. The US Geological Survey's national coal resource assessment: The results

    Science.gov (United States)

    Ruppert, L.F.; Kirschbaum, M.A.; Warwick, P.D.; Flores, R.M.; Affolter, R.H.; Hatch, J.R.

    2002-01-01

    The US Geological Survey and the State geological surveys of many coal-bearing States recently completed a new assessment of the top producing coal beds and coal zones in five major producing coal regions the Appalachian Basin, Gulf Coast, Illinois Basin, Colorado Plateau, and Northern Rocky Mountains and Great Plains. The assessments, which focused on both coal quality and quantity, utilized geographic information system technology and large databases. Over 1,600,000 million short tons of coal remain in over 60 coal beds and coal zones that were assessed. Given current economic, environmental, and technological restrictions, the majority of US coal production will occur in that portion of the assessed coal resource that is lowest in sulfur content. These resources are concentrated in parts of the central Appalachian Basin, Colorado Plateau, and the Northern Rocky Mountains. ?? Elsevier Science B.V. All rights reserved.

  3. U.S. Geological Survey World Wide Web Information

    Science.gov (United States)

    ,

    2003-01-01

    The U.S. Geological Survey (USGS) invites you to explore an earth science virtual library of digital information, publications, and data. The USGS World Wide Web sites offer an array of information that reflects scientific research and monitoring programs conducted in the areas of natural hazards, environmental resources, and cartography. This list provides gateways to access a cross section of the digital information on the USGS World Wide Web sites.

  4. Geologic and field investigations Dorris Dam Modoc National Wildlife Refuge

    Data.gov (United States)

    US Fish and Wildlife Service, Department of the Interior — This report presents the results of a. geologic and field investigation of Dorris Dam performed to evaluate embankment and foundation conditions. The work included...

  5. Polygon boundary describing the source surveys used to build the Bathymetric Terrain Model of the U.S. Atlantic Margin of 100-meter resolution compiled by the U.S. Geological Survey (Esri Shapefile, Geographic WGS 84 Coordinate System)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Bathymetric Terrain Models (BTMs) of seafloor morphology are an important component of marine geological investigations. Advances in acquisition and processing...

  6. Polygon Boundary Describing the Source Surveys Used to Build the Bathymetric Terrain Model of the Puerto Rico Trench and Northeastern Caribbean Region Compiled by the U.S. Geological Survey (PRBATHSOURCE, Esri Shapefile, Geographic projection WGS 84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Bathymetric terrain models (BTMs) of seafloor morphology are an important component of marine geological investigations. Advances in acquisition and processing...

  7. Polygon Boundary Describing the Source Surveys Used to Build the Bathymetric Terrain Model of the Puerto Rico Trench and Northeastern Caribbean Region Compiled by the U.S. Geological Survey (PRBATHSOURCE, Esri Shapefile, Geographic projection WGS 84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Bathymetric terrain models (BTMs) of seafloor morphology are an important component of marine geological investigations. Advances in acquisition and processing...

  8. Geological Investigation Program for the Site of a New Nuclear Power Plant in Hungary

    Science.gov (United States)

    Gerstenkorn, András; Trosits, Dalma; Chikán, Géza; János Katona, Tamás

    2015-04-01

    Comprehensive site evalaution program is implemented for the new Nuclear Power Plant to be constructed at Paks site in Hungary with the aim of confirmation of acceptability of the site and definition of site-related design basis data. Most extensive part of this program is to investigate geological-tectonical features of the site with particular aim on the assessment of the capability of faults at and around the site, characterization of site seismic hazard, and definition of the design basis earthquake. A brief description of the scope and methodology of the geological, seismological, geophysical, geotechnical and hydrogeological investigations will be given on the poster. Main focus of the presentation is to show the graded structure and extent of the geological investigations that follow the needs and scale of the geological modeling, starting with the site and its vicinity, as well as on the near regional and the regional scale. Geological inverstigations includes several boreholes up-to the base-rock, plenty of boreholes discovering the Pannonian and large number of shallow boreholes for investigation of more recent development. The planning of the geological investigations is based on the 3D seismic survey performed around the site, that is complemented by shallow-seimic survey at and in the vicinity of the site. The 3D geophysical imaging provides essential geodynamic information to assess the capability of near site faults and for the seismic hazard analysis, as well as for the hydrogeological modeling. The planned seismic survey gives a unique dataset for understanding the spatial relationship between individual fault segments. Planning of the research (trenching, etc.) for paleoseismic manifestations is also based on the 3D seismic survey. The seismic survey and other geophysical data (including data of space geodesy) allow the amendment of the understanding and the model of the tectonic evolution of the area and geological events. As it is known from

  9. USGS Coastal and Marine Geology Survey Data in Google Earth

    Science.gov (United States)

    Reiss, C.; Steele, C.; Ma, A.; Chin, J.

    2006-12-01

    The U.S. Geological Survey (USGS) Coastal and Marine Geology (CMG) program has a rich data catalog of geologic field activities and metadata called InfoBank, which has been a standard tool for researchers within and outside of the agency. Along with traditional web maps, the data are now accessible in Google Earth, which greatly expands the possible user audience. The Google Earth interface provides geographic orientation and panning/zooming capabilities to locate data relative to topography, bathymetry, and coastal areas. Viewing navigation with Google Earth's background imagery allows queries such as, why areas were not surveyed (answer presence of islands, shorelines, cliffs, etc.). Detailed box core subsample photos from selected sampling activities, published geotechnical data, and sample descriptions are now viewable on Google Earth, (for example, M-1-95-MB, P-2-95-MB, and P-1-97- MB box core samples). One example of the use of Google Earth is CMG's surveys of San Francisco's Ocean Beach since 2004. The surveys are conducted with an all-terrain vehicle (ATV) and shallow-water personal watercraft (PWC) equipped with Global Positioning System (GPS), and elevation and echo sounder data collectors. 3D topographic models with centimeter accuracy have been produced from these surveys to monitor beach and nearshore processes, including sand transport, sedimentation patterns, and seasonal trends. Using Google Earth, multiple track line data (examples: OB-1-05-CA and OB-2-05-CA) can be overlaid on beach imagery. The images also help explain the shape of track lines as objects are encountered.

  10. The U.S. Geological Survey's TRIGA® reactor

    Science.gov (United States)

    DeBey, Timothy M.; Roy, Brycen R.; Brady, Sally R.

    2012-01-01

    The U.S. Geological Survey (USGS) operates a low-enriched uranium-fueled, pool-type reactor located at the Federal Center in Denver, Colorado. The mission of the Geological Survey TRIGA® Reactor (GSTR) is to support USGS science by providing information on geologic, plant, and animal specimens to advance methods and techniques unique to nuclear reactors. The reactor facility is supported by programs across the USGS and is organizationally under the Associate Director for Energy and Minerals, and Environmental Health. The GSTR is the only facility in the United States capable of performing automated delayed neutron analyses for detecting fissile and fissionable isotopes. Samples from around the world are submitted to the USGS for analysis using the reactor facility. Qualitative and quantitative elemental analyses, spatial elemental analyses, and geochronology are performed. Few research reactor facilities in the United States are equipped to handle the large number of samples processed at the GSTR. Historically, more than 450,000 sample irradiations have been performed at the USGS facility. Providing impartial scientific information to resource managers, planners, and other interested parties throughout the world is an integral part of the research effort of the USGS.

  11. Geological Investigation and analysis in response to Earthquake Induced Landslide in West Sumatra

    Science.gov (United States)

    Karnawati, D.; Wilopo, W.; Salahudin, S.; Sudarno, I.; Burton, P.

    2009-12-01

    Substantial socio-economical loss occurred in response to the September 30. 2009 West Sumatra Earthquake with magnitude of 7.6. Damage of houses and engineered structures mostly occurred at the low land of alluvium sediments due to the ground amplification, whilst at the high land of mountain slopes several villages were buried by massive debris of rocks and soils. It was recorded that 1115 people died due to this disasters. Series of geological investigation was carried out by Geological Engineering Department of Gadjah Mada University, with the purpose to support the rehabilitation program. Based on this preliminary investigation it was identified that most of the house and engineered structural damages at the alluvial deposits mainly due to by the poor quality of such houses and engineered structures, which poorly resist the ground amplification, instead of due to the control of geological conditions. On the other hand, the existence and distribution of structural geology (faults and joints) at the mountaineous regions are significant in controlling the distribution of landslides, with the types of rock falls, debris flows and debris falls. Despite the landslide susceptibility mapping conducted by Geological Survey of Indonesia, more detailed investigation is required to be carried out in the region surrounding Maninjau Lake, in order to provide safer places for village relocation. Accordingly Gadjah Mada University in collaboration with the local university (Andalas University) as well as with the local Government of Agam Regency and the Geological Survey of Indonesia, serve the mission for conducting rather more detailed geological and landslide investigation. It is also crucial that the investigation (survey and mapping) on the social perception and expectation of local people living in this landslide susceptible area should also be carried out, to support the mitigation effort of any future potential earthquake induced landslides.

  12. The U.S. Geological Survey in Alaska 1980 programs

    Science.gov (United States)

    Reed, Katherine M.; Technical assistance by Gilmore, Robert F.; Harris, Linda-Lee; Tennison, Lisa D.

    1980-01-01

    This circular describes the 1980 programs of the U.S. Geological Survey in Alaska. A brief description of the Alaskan operations of each major division of the Survey is followed by project descriptions arranged by geographic regions in which the work takes place. The mission of the Geological Survey is to identify the Nation 's land, water, energy, and mineral resources; to classify federally-owned mineral lands and waterpower sites; to resolve the exploration and development of energy and natural resources on Federal and Indian lands; and to explore and appraise the petroleum potential of the National Petroleum Reserve in Alaska. Alaska is at once the largest, the least populated, the least explored, and the least developed State in the Nation. More than half of the Nation 's 600 million acres of Outer Continental Shelf lies off Alaska 's coast. The land area of Alaska contains 375 million acres, 16 percent of the onshore land of the Nation. Its resources of all kinds present an opportunity to demonstrate how the needs of both conservation and development can be met for the benefit of the American people. (USGS)

  13. The United States Geological Survey in Alaska; accomplishments during 1979

    Science.gov (United States)

    Albert, Nairn R. D.; Hudson, Travis

    1981-01-01

    This circular describes the 1980 programs of the U.S. Geological Survey in Alaska. A brief description of the Alaskan operations of each major division of the Survey is followed by project descriptions arranged by geographic regions in which the work takes place. The mission of the Geological Survey is to identify the Nation 's land, water, energy, and mineral resources; to classify federally-owned mineral lands and waterpower sites; to resolve the exploration and development of energy and natural resources on Federal and Indian lands; and to explore and appraise the petroleum potential of the National Petroleum Reserve in Alaska. Alaska is at once the largest, the least populated, the least explored, and the least developed State in the Nation. More than half of the Nation 's 600 million acres of Outer Continental Shelf lies off Alaska 's coast. The land area of Alaska contains 375 million acres, 16 percent of the onshore land of the Nation. Its resources of all kinds present an opportunity to demonstrate how the needs of both conservation and development can be met for the benefit of the American people. (USGS)

  14. Spatial Database Management System of China Geological Survey Extent

    Institute of Scientific and Technical Information of China (English)

    Chen Jianguo; Chen Zhijun; Wang Quanming; Fang Yiping

    2003-01-01

    The spatial database management system of China geological survey extent is a social service system. Its aim is to help the government and the whole social public to expediently use the spatial database, such as querying, indexing, mapping and product outputting. The management system has been developed based on MAPGIS6. x SDK and Visual C++, considering the spatial database contents and structure and the requirements of users. This paper introduces the software structure, the data flow chart and some key techniques of software development.

  15. Energy Resources Program of the U.S. Geological Survey

    Science.gov (United States)

    Weedman, Suzanne

    2001-01-01

    Our Nation faces the simultaneous challenges of increasing demand for energy, declining domestic production from existing oil and gas fields, and increasing expectations for environmental protection. The Energy Information Administration (2000) forecasts that worldwide energy consumption will increase 32 percent between 1999 and 2020 because of growth of the world economy. Forecasts indicate that in the same time period, U.S. natural gas consumption will increase 62 percent, petroleum consumption will increase 33 percent, and coal consumption will increase 22 percent. The U.S. Geological Survey provides the objective scientific information our society needs for sound decisions regarding land management, environmental quality, and economic, energy, and strategic policy.

  16. U.S. Geological Survey Fundamental Science Practices

    Science.gov (United States)

    ,

    2011-01-01

    The USGS has a long and proud tradition of objective, unbiased science in service to the Nation. A reputation for impartiality and excellence is one of our most important assets. To help preserve this vital asset, in 2004 the Executive Leadership Team (ELT) of the USGS was charged by the Director to develop a set of fundamental science practices, philosophical premises, and operational principles as the foundation for all USGS research and monitoring activities. In a concept document, 'Fundamental Science Practices of the U.S. Geological Survey', the ELT proposed 'a set of fundamental principles to underlie USGS science practices.' The document noted that protecting the reputation of USGS science for quality and objectivity requires the following key elements: - Clearly articulated, Bureau-wide fundamental science practices. - A shared understanding at all levels of the organization that the health and future of the USGS depend on following these practices. - The investment of budget, time, and people to ensure that the USGS reputation and high-quality standards are maintained. The USGS Fundamental Science Practices (FSP) encompass all elements of research investigations, including data collection, experimentation, analysis, writing results, peer review, management review, and Bureau approval and publication of information products. The focus of FSP is on how science is carried out and how products are produced and disseminated. FSP is not designed to address the question of what work the USGS should do; that is addressed in USGS science planning handbooks and other documents. Building from longstanding existing USGS policies and the ELT concept document, in May 2006, FSP policies were developed with input from all parts of the organization and were subsequently incorporated into the Bureau's Survey Manual. In developing an implementation plan for FSP policy, the intent was to recognize and incorporate the best of USGS current practices to obtain the optimum

  17. Delivery mechanisms of 3D geological models - a perspective from the British Geological Survey

    Science.gov (United States)

    Terrington, Ricky; Myers, Antony; Wood, Ben; Arora, Baneet

    2013-04-01

    The past decade has seen the British Geological Survey (BGS) construct over one hundred 3D geological models using software such as GOCAD®, GSI3D, EarthVision and Petrel across the United Kingdom and overseas. These models have been produced for different purposes and at different scales and resolutions in the shallow and deep subsurface. Alongside the construction of these models, the BGS and its collaborators have developed several options for disseminating these 3D geological models to external partners and the public. Initially, the standard formats for disseminating these 3D geological models by the BGS comprised of 2D images of cross-sections, GIS raster data and specialised visualisation software such as the LithoFrame Viewer. The LithoFrame Viewer is a thick-client software that allows the user to explore the 3D geometries of the geological units using a 3D interface, and generate synthetic cross-sections and boreholes on the fly. Despite the increased functionality of the LithoFrame Viewer over the other formats, the most popular data formats distributed remained 2D images of cross-sections, CAD based formats (e.g. DWG and DXF) and GIS raster data of surfaces and thicknesses, as these were the types of data that the external partners were most used too. Since 2009 software for delivering 3D geological models has advanced and types of data available have increased. Feature Manipulation Engine (FME) has been used to increase the number of outputs from 3D geological models. These include: • 3D PDFs (Adobe Acrobat) • KMZ/KML (GoogleEarth) • 3D shapefiles (ESRI) Alongside these later outputs, the BGS has developed other software such as GroundhogTM and Geovisionary (in collaboration with Virtalis). Groundhog is fully a web based application that allows the user to generate synthetic cross-sections, boreholes and horizontal slices from 3D geological models on the fly. Geovisionary provides some of the most advanced visualisation of 3D geological models in

  18. Agile Data Curation at a State Geological Survey

    Science.gov (United States)

    Hills, D. J.

    2015-12-01

    State agencies, including geological surveys, are often the gatekeepers for myriad data products essential for scientific research and economic development. For example, the Geological Survey of Alabama (GSA) is mandated to explore for, characterize, and report Alabama's mineral, energy, water, and biological resources in support of economic development, conservation, management, and public policy for the betterment of Alabama's citizens, communities, and businesses. As part of that mandate, the GSA has increasingly been called upon to make our data more accessible to stakeholders. Even as demand for greater data accessibility grows, budgets for such efforts are often small, meaning that agencies must do more for less. Agile software development has yielded efficient, effective products, most often at lower cost and in shorter time. Taking guidance from the agile software development model, the GSA is working towards more agile data management and curation. To date, the GSA's work has been focused primarily on data rescue. By using workflows that maximize clear communication while encouraging simplicity (e.g., maximizing the amount of work not done or that can be automated), the GSA is bringing decades of dark data into the light. Regular checks by the data rescuer with the data provider (or their proxy) provides quality control without adding an overt burden on either party. Moving forward, these workflows will also allow for more efficient and effective data management.

  19. The U.S. Geological Survey Geologic Collections Management System (GCMS)—A master catalog and collections management plan for U.S. Geological Survey geologic samples and sample collections

    Science.gov (United States)

    ,

    2015-01-01

    The U.S. Geological Survey (USGS) is widely recognized in the earth science community as possessing extensive collections of earth materials collected by research personnel over the course of its history. In 2006, a Geologic Collections Inventory was conducted within the USGS Geology Discipline to determine the extent and nature of its sample collections, and in 2008, a working group was convened by the USGS National Geologic and Geophysical Data Preservation Program to examine ways in which these collections could be coordinated, cataloged, and made available to researchers both inside and outside the USGS. The charge to this working group was to evaluate the proposition of creating a Geologic Collections Management System (GCMS), a centralized database that would (1) identify all existing USGS geologic collections, regardless of size, (2) create a virtual link among the collections, and (3) provide a way for scientists and other researchers to obtain access to the samples and data in which they are interested. Additionally, the group was instructed to develop criteria for evaluating current collections and to establish an operating plan and set of standard practices for handling, identifying, and managing future sample collections. Policies and procedures promoted by the GCMS would be based on extant best practices established by the National Science Foundation and the Smithsonian Institution. The resulting report—USGS Circular 1410, “The U.S. Geological Survey Geologic Collections Management System (GCMS): A Master Catalog and Collections Management Plan for U.S. Geological Survey Geologic Samples and Sample Collections”—has been developed for sample repositories to be a guide to establishing common practices in the collection, retention, and disposal of geologic research materials throughout the USGS.

  20. 2012 Alaska Division of Geological and Geophysical Surveys (DGGS) Lidar: Whittier, Alaska

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — In support of geologic mapping and hazards evaluation in and near Whittier, Alaska, the Division of Geological and Geophysical Surveys (DGGS) acquired, and is making...

  1. 2012 Alaska Division of Geological and Geophysical Surveys (DGGS) Lidar: Whittier, Alaska

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — In support of geologic mapping and hazards evaluation in and near Whittier, Alaska, the Division of Geological and Geophysical Surveys (DGGS) acquired, and is...

  2. The U.S. Geological Survey Federal-State cooperative water- resources program; fiscal year 1987

    Science.gov (United States)

    Gilbert, B.K.; Mann, William B.

    1988-01-01

    The U.S. Geological Survey 's Federal-State Cooperative Water Resources Program (50-50 matching of funds) started in Kansas in 1895. During fiscal year (FY) 1987, hydrologic data collection, investigations, and research are being conducted in every state, Puerto Rico, and several territories in cooperation with 940 state, regional and local agencies. Federal funding of $55.3 million was matched by cooperating agencies; cooperators also provided $4.6 million unmatched, for a program total of about $115 million. The Cooperative Program accounted for almost 45% of the FY 1987 obligations of the Geological Survey 's Water Resources Division. The principal areas of emphasis during the year included groundwater contamination, stream quality, water supply and demand, and hydrologic hazards. Information is presented on program functions and priorities. Data collection activities are also described as is work related to water resources contamination. Several examples of current (1987) investigations are provided. (Author 's abstract)

  3. Forsmark site investigation. Bedrock geology - overview and excursion guide

    Energy Technology Data Exchange (ETDEWEB)

    Stephens, Michael B. (Geological Survey of Sweden, Uppsala (Sweden))

    2010-09-15

    Bearing in mind the significance of the bedrock data from the ground surface for the geological 3D modelling work, SKB decided to present excursion guides that serve in the demonstration of the bedrock geology at the ground surface in both the Forsmark (this guide) and Laxemar-Simpevarp areas. An excursion guide is also available for the Olkiluoto area in south-western Finland, which has been selected for the construction of a repository for the disposal of highly radioactive, spent nuclear fuel in Finland. The current excursion guide presents the bedrock geology and describes in detail the character of the bedrock at ten representative outcrops or outcrop areas at the ground surface in the site investigation area at Forsmark. All localities are located within or immediately adjacent to the proposed repository volume selected by SKB

  4. Oskarshamn site investigation. Bedrock geology - overview and excursion guide

    Energy Technology Data Exchange (ETDEWEB)

    Wahlgren, Carl-Henric (Geological Survey of Sweden, Uppsala (Sweden))

    2010-09-15

    Bearing in mind the significance of the bedrock data from the ground surface for the geological 3D modelling work, SKB decided to present excursion guides that serve in the demonstration of the bedrock geology at the ground surface in both the Forsmark and Laxemar-Simpevarp (this guide) areas. An excursion guide is also available for the Olkiluoto area in south-western Finland, which has been selected for the construction of a repository for the disposal of highly radioactive, spent nuclear fuel. The current excursion guide presents the bedrock geology and describes in detail the character of the bedrock at eight representative outcrops or outcrop areas at the ground surface in the site investigation area at Laxemar-Simpevarp and at one locality north of this area, i.e. at a total of nine localities

  5. Engineering-geological and geotechnical investigation for risk assessment

    Science.gov (United States)

    May, Moufida; Dlala, Mahmoud; Bedday, Aouicha

    2011-09-01

    Before construction activities could begin, engineering geological and geotechnical investigations had to be approved in order to establish a map with suitable areas for safe construction. The example used in this study is Tunis City which has complex geology and geomorphology. The risk analysis was based on a large-scale land-suitability map that was prepared using Geographic Information Systems (GIS). The approach used in this study combined physical data with the geotechnical properties of Tunis City. The adopted methodology and analyses were performed to assess the risk of urban expansion and landscape management. Results are presented as a zoning map that shows the suitable area for safe extension of the urban area. The data used and multi-criterion analysis of geotechnical and geological data seems to be useful for similar case studies and the adopted methodology can be used successfully for identifying similar cities for risk assessment.

  6. Site effects in the Amatrice municipality through dense seismic network and detailed geological-geophysical survey

    Science.gov (United States)

    Cultrera, Giovanna; Cardinali, Mauro; de Franco, Roberto; Gallipoli, Maria Rosaria; Pacor, Francesca; Pergalani, Floriana; Milana, Giuliano; Moscatelli, Massimiliano

    2017-04-01

    After the first mainshock of the 2016 Central Italy seismic sequence, several Italian Institutions (under the umbrella of the Italian Center for Seismic Microzonation; http://www.centromicrozonazionesismica.it) conducted a preparatory survey to seismic microzonation of the Amatrice municipality, badly affected by the Mw 6.0 Amatrice earthquake of August 24. Despite the difficulties due to the heavily damaged investigated area and the winter weather condition, a large amount of different data were gathered in a very short time: (i) geological and geomorphological surveys (field trip and photo-geological interpretation), (ii) geophysical measurements (noise single-station and arrays, geoelectric, seismic refraction, MASW), and (iii) continuous seismic recordings from temporary network. In particular, 35 seismic stations were installed from half-September to early-December in an area of 170 km2, equipped with both velocimeter and accelerometer. They recorded thousands of earthquakes, including the Mw 6.5 of October 30, 2016; the continuous data will be organized in the EIDA repository (http://www.orfeus-eu.org/data/eida) through the INGV EIDA-node. The sites selection was performed according to the following criteria: representativeness of the geological conditions of 26 hamlets that experienced a damage level greater than VII MCS degree, optimization of the network geometry for array analysis, redundancy of bedrock reference sites, safety and accessibility. The photo-geology and the field investigations allowed the realization of a detailed geological-technical map of the area, characterized by peculiar features, namely the distinction between bedrock and Quaternary deposits (alluvial deposits and terraces, alluvial fans, landslides) and morpho-structural features (faults, folds, bedding attitude). Preliminary results allowed also the evaluation of the velocity models that show surface shear wave velocities (Vs) ranging from 200 m/s to 600 m/s. Data analysis of

  7. The U.S. Geological Survey Land Remote Sensing Program

    Science.gov (United States)

    ,

    2007-01-01

    The fundamental goals of the U.S. Geological Survey's Land Remote Sens-ing (LRS) Program are to provide the Federal Government and the public with a primary source of remotely sensed data and applications and to be a leader in defining the future of land remote sensing, nationally and internationally. Remotely sensed data provide information that enhance the understand-ing of ecosystems and the capabilities for predicting ecosystem change. The data promote an understanding of the role of the environment and wildlife in human health issues, the requirements for disaster response, the effects of climate variability, and the availability of energy and mineral resources. Also, as land satellite systems acquire global coverage, the program coordinates a network of international receiving stations and users of the data. It is the responsibility of the program to assure that data from land imaging satellites, airborne photography, radar, and other technologies are available to the national and global science communities.

  8. U.S. Geological Survey energy and minerals science strategy

    Science.gov (United States)

    Ferrero, Richard C.; Kolak, Jonathan J.; Bills, Donald J.; Bowen, Zachary H.; Cordier, Daniel J.; Gallegos, Tanya J.; Hein, James R.; Kelley, Karen D.; Nelson, Philip H.; Nuccio, Vito F.; Schmidt, Jeanine M.; Seal, Robert R., II

    2012-01-01

    The economy, national security, and standard of living of the United States depend heavily on adequate and reliable supplies of energy and mineral resources. Based on current population and consumption trends, the Nation's use of energy and minerals can be expected to grow, driving the demand for ever broader scientific understanding of resource formation, location, and availability. In addition, the increasing importance of environmental stewardship, human health, and sustainable growth place further emphasis on energy and mineral resources research and understanding. Collectively, these trends in resource demand and the interconnectedness among resources will lead to new challenges and, in turn, require cutting-edge science for the next generation of societal decisions. The contributions of the U.S. Geological Survey to energy and minerals research are well established. Based on five interrelated goals, this plan establishes a comprehensive science strategy. It provides a structure that identifies the most critical aspects of energy and mineral resources for the coming decade. * Goal 1. - Understand fundamental Earth processes that form energy and mineral resources. * Goal 2. - Understand the environmental behavior of energy and mineral resources and their waste products. * Goal 3. - Provide inventories and assessments of energy and mineral resources. * Goal 4. - Understand the effects of energy and mineral development on natural resources. * Goal 5. - Understand the availability and reliability of energy and mineral resource supplies. Within each goal, multiple, scalable actions are identified. The level of specificity and complexity of these actions varies, consistent with the reality that even a modest refocus can yield large payoffs in the near term whereas more ambitious plans may take years to reach fruition. As such, prioritization of actions is largely dependent on policy direction, available resources, and the sequencing of prerequisite steps that will

  9. Geologic investigation :an update of subsurface geology on Kirtland Air Force Base, New Mexico.

    Energy Technology Data Exchange (ETDEWEB)

    Van Hart, Dirk (GRAM, Inc.)

    2003-06-01

    The objective of this investigation was to generate a revised geologic model of Kirtland Air Force Base (KAFB) incorporating the geological and geophysical data produced since the Site-Wide Hydrogeologic Characterization Project (SWHC) of 1994 and 1995. Although this report has certain stand-alone characteristics, it is intended to complement the previous work and to serve as a status report as of late 2002. In the eastern portion of KAFB (Lurance Canyon and the Hubbell bench), of primary interest is the elevation to which bedrock is buried under a thin cap of alluvium. Elevation maps of the bedrock top reveal the paleodrainage that allows for the interpretation of the area's erosional history. The western portion of KAFB consists of the eastern part of the Albuquerque basin where bedrock is deeply buried under Santa Fe Group alluvium. In this area, the configuration of the down-to-the-west, basin-bounding Sandia and West Sandia faults is of primary interest. New geological and geophysical data and the reinterpretation of old data help to redefine the location and magnitude of these elements. Additional interests in this area are the internal stratigraphy and structure of the Santa Fe Group. Recent data collected from new monitoring wells in the area have led to a geologic characterization of the perched Tijeras Arroyo Groundwater system and have refined the known limits of the Ancestral Rio Grande fluvial sediments within the Santa Fe Group. Both the reinterpretation of the existing data and a review of the regional geology have shown that a segment of the boundary between the eastern and western portions of KAFB is a complicated early Tertiary (Laramide) wrench-fault system, the Tijeras/Explosive Ordnance Disposal Area/Hubbell Spring system. A portion of this fault zone is occupied by a coeval ''pull-apart'' basin filled with early Tertiary conglomerates, whose exposures form the ''Travertine Hills''.

  10. JPEG images of boomer seismic data from inner shelf U.S. Geological Survey research cruise 1999-045-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  11. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2001-005-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  12. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2004-003-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  13. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 1999-045-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  14. JPEG images of boomer seismic data from inner shelf U.S. Geological Survey research cruise 2002-013-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  15. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2002-013-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  16. JPEG images of boomer seismic data from inner shelf U.S. Geological Survey research cruise 2002-012-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  17. JPEG images of boomer seismic data from inner shelf U.S. Geological Survey research cruise 2001-005-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  18. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2003-003-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  19. JPEG images of boomer seismic data from inner shelf U.S. Geological Survey research cruise 2002-012-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  20. JPEG images of boomer seismic data from inner shelf U.S. Geological Survey research cruise 1999-045-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  1. JPEG images of boomer seismic data from inner shelf U.S. Geological Survey research cruise 2001-005-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  2. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2004-003-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  3. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2001-005-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  4. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 1999-045-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  5. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2002-013-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  6. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2003-003-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  7. JPEG images of boomer seismic data from inner shelf U.S. Geological Survey research cruise 2002-013-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  8. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2002-012-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  9. JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2002-012-FA collected by the U.S. Geological Survey

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that...

  10. The U.S. Geological Survey in Alaska; 1981 programs

    Science.gov (United States)

    Reed, Katherine M.; Gilmore, Robert F.; Harris, Linda-Lee; Tennison, Lisa D.

    1981-01-01

    This Circular describes the 1981 programs and projects of the U.S. Geological Survey in Alaska. A brief description of the Alaskan operations of each office and division of the Survey is followed by project descriptions arranged by geographic regions in which the work takes place. The largest program at present is related to oil and gas exploration, but programs also include mineral appraisal, water-resource studies, volcanic and seismic programs, topographic mapping, glaciological and geohazard studies, and many other activities. Alaska is the largest and the least populated, least explored, and least developed of the Nation 's States. The land area contains 375 million acres and comprises 16 percent of the onshore land and more than half of the Outer Continental Shelf of the Nation. After Native and State of Alaska land selections of 44 million acres have been made, approximately 60 percent, 225 million acres, of Alaska land will remain under Federal jurisdiction. Federal lands in Alaska then will comprise approximately 30 percent of all onshore land in the Nation 's public domain. (USGS)

  11. Data Management and Rescue at a State Geological Survey

    Science.gov (United States)

    Hills, D. J.; McIntyre-Redden, M. R.

    2015-12-01

    As new technologies are developed to utilize data more fully, and as shrinking budgets mean more needs to be done with less, well-documented and discoverable legacy data is vital for continued research and economic growth. Many governmental agencies are mandated to maintain scientific data, and the Geological Survey of Alabama (GSA) is no different. As part of the mandate to explore for, characterize, and report Alabama's mineral, energy, water, and biological resources for the betterment of Alabama's citizens, communities, and businesses, the GSA has increasingly been called upon to make our data (including samples) more accessible to stakeholders. The GSA has been involved in several data management, preservation, and rescue projects, including the National Geothermal Data System and the National Geological and Geophysical Data Preservation Program. GSA staff utilizes accepted standards for metadata, such as those found at the US Geoscience Information Network (USGIN). Through the use of semi-automated workflows, these standards can be applied to legacy data records. As demand for more detailed information on samples increases, especially so that a researcher can do a preliminary assessment prior to a site visit, it has become critical for the efficiency of the GSA to have better systems in place for sample tracking and data management. Thus, GSA is in the process of registering cores and related samples for International Geo Sample Numbers (IGSNs) through the System for Earth Sample Registration. IGSNs allow the GSA to use asset management software to better curate the physical samples and provide more accurate information to stakeholders. Working with other initiatives, such as EarthCube's iSamples project, will ensure that GSA continues to use best practices and standards for sample identification, documentation, citation, curation, and sharing.

  12. The U.S. Geological Survey National Helium Resource Assessment

    Science.gov (United States)

    Brennan, S. T.; East, J. A., II

    2015-12-01

    In 2013, the U.S. Congress passed legislation directing the U.S. Geological Survey (USGS) to complete a national assessment of subsurface helium gas resources. As part of this assessment, the USGS has constructed a database of helium concentration from compositional analyses of produced gas. Though most data of this data is non-proprietary, helium data have been taken from both public and proprietary sources, with a majority taken from the USGS geochemical database (http://energy.usgs.gov/GeochemistryGeophysics/GeochemistryLaboratories/GeochemistryLaboratories-GeochemistryDatabase.aspx#4413382-introduction) and from the U.S. Bureau of Land Management (BLM) natural gas database. Altogether, there are over 16,000 analyses of natural gas composition compiled. In order to complete the assessment, it was necessary to correlate the well data with geologic reservoir data so that the helium concentrations could be compared with the reservoir and field-level gas production, in place gas volumes, and gas recovery factors. The well data from the compiled database were initially cross-referenced with the proprietary IHS Inc. well database, where possible. The results of that effort were then cross-referenced with three additional databases: the proprietary NRG Associates database of significant oil and gas fields of the United States, the non-proprietary U.S. Department of Energy's gas information system (GASIS), and an internal BLM reservoir and field database. These field and reservoir databases provide the data needed to estimate the in-place helium resources for fields with economic concentrations of helium. In order for helium production to be economic, the gas produced from geologic reservoirs must be greater than 0.3 mole percent (mol%), or in the case of liquefied natural gas processing, greater than 0.04 mol%. The field and reservoir specific estimates of total gas in place volumes, gas recovery factors, and helium concentrations, can be used as inputs for a

  13. Analysis of the U.S. geological survey streamgaging network

    Science.gov (United States)

    Scott, A.G.

    1987-01-01

    This paper summarizes the results from the first 3 years of a 5-year cost-effectiveness study of the U.S. Geological Survey streamgaging network. The objective of the study is to define and document the most cost-effective means of furnishing streamflow information. In the first step of this study, data uses were identified for 3,493 continuous-record stations currently being operated in 32 States. In the second step, evaluation of alternative methods of providing streamflow information, flow-routing models, and regression models were developed for estimating daily flows at 251 stations of the 3,493 stations analyzed. In the third step of the analysis, relationships were developed between the accuracy of the streamflow records and the operating budget. The weighted standard error for all stations, with current operating procedures, was 19.9 percent. By altering field activities, as determined by the analyses, this could be reduced to 17.8 percent. The existing streamgaging networks in four Districts were further analyzed to determine the impacts that satellite telemetry would have on the cost effectiveness. Satellite telemetry was not found to be cost effective on the basis of hydrologic data collection alone, given present cost of equipment and operation.This paper summarizes the results from the first 3 years of a 5-year cost-effectiveness study of the U. S. Geological Survey streamgaging network. The objective of the study is to define and document the most cost-effective means of furnishing streamflow information. In the first step of this study, data uses were identified for 3,493 continuous-record stations currently being operated in 32 States. In the second step, evaluation of alternative methods of providing streamflow information, flow-routing models, and regression models were developed for estimating daily flows at 251 stations of the 3, 493 stations analyzed. In the third step of the analysis, relationships were developed between the accuracy of the

  14. Integrating Data from Geological Investigations into Urban Watershed Restoration Efforts

    Science.gov (United States)

    Kaufman, M.; Rogers, D.; Murray, K.

    2012-04-01

    To improve urban watershed restoration efforts, a framework for integrating the outputs from subsurface geological investigations into land use planning is developed. This framework synthesizes the data generated at the individual parcel scale, including a full inventory of water flows on the surface and within the subsurface, and the synergy between contaminant properties and the geological environment. Using a case study approach, over 3000 sites of environmental contamination were investigated in the heavily urbanized Rouge River watershed of southeastern Michigan, USA. Analysis of the remediation costs at these contaminated sites and the patterns of groundwater contamination strongly suggest that land use planning in this region has not incorporated the basic sciences of geology and geomorphology. At a broad geographical scale, the siting of cities near flowing water and their industries above vulnerable geology resulted in large extents of contamination that are costly to remediate. This historical process was complicated by the unplanned nature of urban sprawl, as industrial sites were located in areas of high groundwater vulnerability, and their spatial juxtaposition created unintended consequences by expanding the pathways for contamination transport. To help remedy this situation, it is recommended that urban watershed restoration efforts include groundwater vulnerability studies, and these studies should become a basic component of the land use planning process, much as environmental site assessments are for the real estate industry. Moreover, through source control, the parcel scale is where science-based landscape planning can most effectively aid in urban watershed restoration efforts and prevent further environmental damage to land being considered for new development or redevelopment.

  15. New hydrologic instrumentation in the U.S. Geological Survey

    Science.gov (United States)

    Latkovich, V.J.; Shope, W.G.; ,

    1991-01-01

    New water-level sensing and recording instrumentation is being used by the U.S. Geological Survey for monitoring water levels, stream velocities, and water-quality characteristics. Several of these instruments are briefly described. The Basic Data Recorder (BDR) is an electronic data logger, that interfaces to sensor systems through a serial-digital interface standard (SDI-12), which was proposed by the data-logger industry; the Incremental Shaft Encoder is an intelligent water-level sensor, which interfaces to the BDR through the SDI-12; the Pressure Sensor is an intelligent, nonsubmersible pressure sensor, which interfaces to the BDR through the SDI-12 and monitors water levels from 0 to 50 feet; the Ultrasonic Velocity Meter is an intelligent, water-velocity sensor, which interfaces to the BDR through the SDI-12 and measures the velocity across a stream up to 500 feet in width; the Collapsible Hand Sampler can be collapsed for insertion through holes in the ice and opened under the ice to collect a water sample; the Lighweight Ice Auger, weighing only 32 pounds, can auger 6- and 8-inch holes through approximately 3.5 feet of ice; and the Ice Chisel has a specially hardened steel blade and 6-foot long, hickory D-handle.

  16. Bathymetric Terrain Model of the U.S. Atlantic Margin (100-meter resolution) compiled by the U.S. Geological Survey (32-bit GeoTIFF, MERCATOR Projection, WGS 84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Bathymetric terrain models of seafloor morphology are an important component of marine geological investigations. Advances in acquisition and processing technologies...

  17. Bathymetric Terrain Model of the Puerto Rico Trench and Northeastern Caribbean Region Compiled by the U.S. Geological Survey From Multibeam Bathymetric Data Collected Between 2002 and 2013 (PRBATHOFR150, Esri Binary Grid, UTM19, WGS 84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Bathymetric terrain models (BTMs) of seafloor morphology are an important component of marine geological investigations. Advances in technologies of acquiring and...

  18. Bathymetric Terrain Model of the U.S. Atlantic Margin (100-meter resolution) compiled by the U.S. Geological Survey (32-bit GeoTIFF, MERCATOR Projection, WGS 84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Bathymetric terrain models of seafloor morphology are an important component of marine geological investigations. Advances in acquisition and processing technologies...

  19. Bathymetric Terrain Model of the U.S. Atlantic Margin (100-meter resolution) compiled by the U.S. Geological Survey (32-bit GeoTIFF, MERCATOR Projection, WGS 84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Bathymetric terrain models of seafloor morphology are an important component of marine geological investigations. Advances in acquisition and processing...

  20. Bathymetric Terrain Model of the Puerto Rico Trench and Northeastern Caribbean Region Compiled by the U.S. Geological Survey From Multibeam Bathymetric Data Collected Between 2002 and 2013 (PRBATHOFR150, Esri Binary Grid, UTM19, WGS 84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Bathymetric terrain models (BTMs) of seafloor morphology are an important component of marine geological investigations. Advances in technologies of acquiring and...

  1. Computer input and output files associated with ground-water-flow simulations of the Albuquerque Basin, central New Mexico, 1901-94, with projections to 2020; (supplement one to U.S. Geological Survey Water-resources investigations report 94-4251)

    Science.gov (United States)

    Kernodle, J.M.

    1996-01-01

    This report presents the computer input files required to run the three-dimensional ground-water-flow model of the Albuquerque Basin, central New Mexico, documented in Kernodle and others (Kernodle, J.M., McAda, D.P., and Thorn, C.R., 1995, Simulation of ground-water flow in the Albuquerque Basin, central New Mexico, 1901-1994, with projections to 2020: U.S. Geological Survey Water-Resources Investigations Report 94-4251, 114 p.). Output files resulting from the computer simulations are included for reference.

  2. U.S. Geological Survey Rewarding Environment Culture Study, 2002

    Science.gov (United States)

    Nash, Janis C.; Paradise-Tornow, Carol A.; Gray, Vicki K.; Griffin-Bemis, Sarah P.; Agnew, Pamela R.; Bouchet, Nicole M.

    2010-01-01

    In its 2001 review of the U.S. Geological Survey (USGS), the National Research Council (NRC, p. 126) cautioned that ?high-quality personnel are essential for developing high-quality science information? and urged the USGS to ?devote substantial efforts to recruiting and retaining excellent staff.? Recognizing the importance of the NRC recommendation, the USGS has committed time and resources to create a rewarding work environment with the goal of achieving the following valued outcomes: ? USGS science vitality ? Customer satisfaction with USGS products and services ? Employee perceptions of the USGS as a rewarding place to work ? Heightened employee morale and commitment ? The ability to recruit and retain employees with critical skills To determine whether this investment of time and resources was proving to be successful, the USGS Human Resources Office conducted a Rewarding Environment Culture Study to answer the following four questions. ? Question 1: Does a rewarding work environment lead to the valued outcomes (identified above) that the USGS is seeking? ? Question 2: Which management, supervisory, and leadership behaviors contribute most to creating a rewarding work environment and to achieving the valued outcomes that the USGS is seeking? ? Question 3: Do USGS employees perceive that the USGS is a rewarding place to work? ? Question 4: What actions can and should be taken to enhance the USGS work environment? To begin the study, a conceptual model of a rewarding USGS environment was developed to test assumptions about a rewarding work environment. The Rewarding Environment model identifies the key components that are thought to contribute to a rewarding work environment and the valued outcomes that are thought to result from having a rewarding work environment. The 2002 Organizational Assessment Survey (OAS) was used as the primary data source for the study because it provided the most readily available data. Additional survey data were included as they

  3. Application of RgMap system on digital regional geological survey

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Digital geological mapping fundamentally broke through the traditional working pattern, successfully carried out the geological mapping digitalization. By using the RGMAP system to field digital geological mapping, the authors summarized the method of work and the work flow of the RGMAPGIS during the field geological survey. First, we prepared material, set up the PRB gallery, then put the geographic base map under the background maplayer and organizing the field hand map, forming the field factual datum map. At last, the geological space database is formed.

  4. Geologic interpretation of the sidescan sonar mosaic of National Oceanic and Atmospheric Administration (NOAA) survey H11043 off Branford, Connecticut

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey, in cooperation with the National Oceanic and Atmospheric Administration and the Connecticut Department of Environmental Protection, has...

  5. H12012_PHOTOGRAPHS: SEABOSS Images from U.S. Geological Survey (USGS) Cruise 2010-015-FA in JPEG Format

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Connecticut Department of Energy and...

  6. Geologic interpretation of the sidescan sonar mosaic of National Oceanic and Atmospheric Administration (NOAA) survey H11043 off Branford, Connecticut

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey, in cooperation with the National Oceanic and Atmospheric Administration and the Connecticut Department of Environmental Protection, has...

  7. JPEG images of photographs of vibracores collected by the U.S. Geological Survey within Apalachicola Bay, Florida, 2007

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2007, the U.S. Geological Survey collected 24 vibracores within Apalachicola Bay, Florida. The vibracores were collected using a Rossfelder electric percussive...

  8. Processed continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 24, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  9. Processed continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 22, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  10. Raw continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 20, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  11. Processed continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 22, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  12. Raw continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 22, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  13. Raw continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 21, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  14. Processed continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 20, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  15. Processed continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 23, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  16. MOSAIC - Composite Sidescan-Sonar Mosaic collected by the U.S. Geological Survey offshore of the Grand Strand, SC (1999 2003) (GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 1999, the USGS, in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline change along the northern...

  17. Processed continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 25, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  18. Processed continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 19, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  19. MOSAIC - Composite Sidescan-Sonar Mosaic collected by the U.S. Geological Survey offshore of the Grand Strand, SC (1999 2003) (GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 1999, the USGS, in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline change along the northern...

  20. Processed continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 21, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  1. Raw continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 19, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  2. Interferometric Swath Bathymetry Survey Tracklines Collected in 2011 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 11BIM01)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center conducted...

  3. Single-Beam Bathymetry Survey Tracklines Collected in 2011 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 11BIM02)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center conducted...

  4. Single-Beam Bathymetry Survey Tracklines Collected in 2011 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 11BIM02)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center conducted...

  5. Interferometric Swath Bathymetry Survey Tracklines Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM03)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted...

  6. Interferometric Swath Bathymetry Survey Tracklines Collected in 2011 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 11BIM01)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center conducted...

  7. Single-Beam Bathymetry Survey Tracklines Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM04)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted...

  8. Interferometric Swath Bathymetry Survey Tracklines Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM03)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted...

  9. Single-Beam Bathymetry Survey Tracklines Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM04)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted...

  10. Geological assessing of urban environments with a systematic mapping survey: The 1:5000 urban geological map of Catalonia

    Science.gov (United States)

    Vilà, Miquel; Pi, Roser; Cirés, Jordi; de Paz, Ana; Berástegui, Xavier

    2010-05-01

    The ground features of urban areas and the geologic processes that operate on them are, in general, strongly altered from their natural original condition as a result of anthropogenic activities. Assessing the stability of the ground, the flooding areas, and, the health risk as a consequence of soil pollution, are, among others, fundamental topics of urban areas that require a better understanding. The development of systematic urban geological mapping projects provides valuable resources to address these issues. Since 2007, the Institut Geologic de Catalunya (IGC) runs an urban geological mapping project, to provide accurate geologic information of county capitals and towns of more than 10000 inhabitants of Catalonia. The urban zones of 131 towns will be surveyed for this project, totalizing an area of about 2200 km2 to be mapped in 15 years. According to the 2008 census, the 82 % of the population of Catalonia (7.242.458 inhabitants) lives in the areas to be mapped in this project. The mapping project integrates in a GIS environment the following subjects: - Data from pre-existing geotechnical reports, historical geological and topographical maps and, from historical aerial photographs. - Data from available borehole databases. - Geological characterization of outcrops inside the urban network and neighbouring areas. - Geological, chemical and physical characterisation of representative rocks, sediments and soils. - Ortophotographs (0.5 m pixel size) and digital elevation models (5 meter grid size) made from historical aerial photographs, to depict land use changes, artificial deposits and geomorphological elements that are either hidden or destroyed by urban sprawl. - Detailed geological mapping of quaternary sediments, subsurface bedrock and artificial deposits. - Data from subsurface prospection in areas with insufficient or confuse data. - 3D modelling of the main geological surfaces such as the top of the pre-quaternary basement. All the gathered data is

  11. Beowulf Distributed Processing and the United States Geological Survey

    Science.gov (United States)

    Maddox, Brian G.

    2002-01-01

    Introduction In recent years, the United States Geological Survey's (USGS) National Mapping Discipline (NMD) has expanded its scientific and research activities. Work is being conducted in areas such as emergency response research, scientific visualization, urban prediction, and other simulation activities. Custom-produced digital data have become essential for these types of activities. High-resolution, remotely sensed datasets are also seeing increased use. Unfortunately, the NMD is also finding that it lacks the resources required to perform some of these activities. Many of these projects require large amounts of computer processing resources. Complex urban-prediction simulations, for example, involve large amounts of processor-intensive calculations on large amounts of input data. This project was undertaken to learn and understand the concepts of distributed processing. Experience was needed in developing these types of applications. The idea was that this type of technology could significantly aid the needs of the NMD scientific and research programs. Porting a numerically intensive application currently being used by an NMD science program to run in a distributed fashion would demonstrate the usefulness of this technology. There are several benefits that this type of technology can bring to the USGS's research programs. Projects can be performed that were previously impossible due to a lack of computing resources. Other projects can be performed on a larger scale than previously possible. For example, distributed processing can enable urban dynamics research to perform simulations on larger areas without making huge sacrifices in resolution. The processing can also be done in a more reasonable amount of time than with traditional single-threaded methods (a scaled version of Chester County, Pennsylvania, took about fifty days to finish its first calibration phase with a single-threaded program). This paper has several goals regarding distributed processing

  12. U.S. Geological Survey spatial data access

    Science.gov (United States)

    Faundeen, John L.; Kanengieter, Ronald L.; Buswell, Michael D.

    2002-01-01

    The U.S. Geological Survey (USGS) has done a progress review on improving access to its spatial data holdings over the Web. The USGS EROS Data Center has created three major Web-based interfaces to deliver spatial data to the general public; they are Earth Explorer, the Seamless Data Distribution System (SDDS), and the USGS Web Mapping Portal. Lessons were learned in developing these systems, and various resources were needed for their implementation. The USGS serves as a fact-finding agency in the U.S. Government that collects, monitors, analyzes, and provides scientific information about natural resource conditions and issues. To carry out its mission, the USGS has created and managed spatial data since its inception. Originally relying on paper maps, the USGS now uses advanced technology to produce digital representations of the Earth’s features. The spatial products of the USGS include both source and derivative data. Derivative datasets include Digital Orthophoto Quadrangles (DOQ), Digital Elevation Models, Digital Line Graphs, land-cover Digital Raster Graphics, and the seamless National Elevation Dataset. These products, created with automated processes, use aerial photographs, satellite images, or other cartographic information such as scanned paper maps as source data. With Earth Explorer, users can search multiple inventories through metadata queries and can browse satellite and DOQ imagery. They can place orders and make payment through secure credit card transactions. Some USGS spatial data can be accessed with SDDS. The SDDS uses an ArcIMS map service interface to identify the user’s areas of interest and determine the output format; it allows the user to either download the actual spatial data directly for small areas or place orders for larger areas to be delivered on media. The USGS Web Mapping Portal provides views of national and international datasets through an ArcIMS map service interface. In addition, the map portal posts news about new

  13. 2009 U.S. Geological Survey (USGS) Lidar: Umpqua River Study Area

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Watershed Sciences, Inc. collected Light Detection and Ranging (LiDAR) data for the U.S. Geological Survey (USGS) Umpqua River study site in collaboration with the...

  14. U.S. Geological Survey Stream Gages located in the Central Valley, California

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This digital dataset contains the locations of, and links to USGS gages on the surface-water network for the Central Valley Hydrologic Model (CVHM). The Central...

  15. 2009 U.S. Geological Survey (USGS) Lidar: Umpqua River Study Area

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Watershed Sciences, Inc. collected Light Detection and Ranging (LiDAR) data for the U.S. Geological Survey (USGS) Umpqua River study site in collaboration with the...

  16. U.S. Geological Survey Gap Analysis Program- Land Cover Data v2.2

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This dataset combines the work of several different projects to create a seamless data set for the contiguous United States. Data from four regional Gap Analysis...

  17. ECSTDB2005 - U.S. Geological Survey East Coast Sediment Texture Database (2005)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic...

  18. ECSTDB2011.SHP: U.S. Geological Survey East Coast Sediment Texture Database (2011)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic...

  19. ECSTDB2014.SHP: U.S. Geological Survey East Coast Sediment Texture Database (2014)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic...

  20. ECSTDB2011.SHP: U.S. Geological Survey East Coast Sediment Texture Database (2011)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic...

  1. U.S. Geological Survey Gap Analysis Program Species Distribution Models

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — GAP distribution models represent the areas where species are predicted to occur based on habitat associations. GAP distribution models are the spatial arrangement...

  2. ECSTDB2005 - U.S. Geological Survey East Coast Sediment Texture Database (2005)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic...

  3. ECSTDB2014.SHP: U.S. Geological Survey East Coast Sediment Texture Database (2014)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic...

  4. Climate Change Science Activities of the U.S. Geological Survey in New England

    Science.gov (United States)

    Lent, Robert M.

    2016-03-23

    The U.S. Geological Survey (USGS) has actively pursued research in the effects of climate change on the hydrology of New England. Ongoing focus areas of climate change science activities of the USGS in New England include the following:

  5. Geology for a changing world 2010-2020-Implementing the U.S. Geological Survey science strategy

    Science.gov (United States)

    Gundersen, Linda C.S.; Belnap, Jayne; Goldhaber, Martin; Goldstein, Arthur; Haeussler, Peter J.; Ingebritsen, S.E.; Jones, John W.; Plumlee, Geoffrey S.; Thieler, E. Robert; Thompson, Robert S.; Back, Judith M.

    2011-01-01

    This report describes a science strategy for the geologic activities of the U.S. Geological Survey (USGS) for the years 2010-2020. It presents six goals with accompanying strategic actions and products that implement the science directions of USGS Circular 1309, 'Facing Tomorrow's Challenges-U.S. Geological Survey Science in the Decade 2007-2017.' These six goals focus on providing the geologic underpinning needed to wisely use our natural resources, understand and mitigate hazards and environmental change, and understand the relationship between humans and the environment. The goals emphasize the critical role of the USGS in providing long-term research, monitoring, and assessments for the Nation and the world. Further, they describe measures that must be undertaken to ensure geologic expertise and knowledge for the future. The natural science issues facing today's world are complex and cut across many scientific disciplines. The Earth is a system in which atmosphere, oceans, land, and life are all connected. Rocks and soils contain the answers to important questions about the origin of energy and mineral resources, the evolution of life, climate change, natural hazards, ecosystem structures and functions, and the movements of nutrients and toxicants. The science of geology has the power to help us understand the processes that link the physical and biological world so that we can model and forecast changes in the system. Ensuring the success of this strategy will require integration of geological knowledge with the other natural sciences and extensive collaboration across USGS science centers and with partners in Federal, State, and local agencies, academia, industry, nongovernmental organizations and, most importantly, the American public. The first four goals of this report describe the scientific issues facing society in the next 10 years and the actions and products needed to respond to these issues. The final two goals focus on the expertise and

  6. Integrated analysis of remote sensing products from basic geological surveys. [Brazil

    Science.gov (United States)

    Dasilvafagundesfilho, E. (Principal Investigator)

    1984-01-01

    Recent advances in remote sensing led to the development of several techniques to obtain image information. These techniques as effective tools in geological maping are analyzed. A strategy for optimizing the images in basic geological surveying is presented. It embraces as integrated analysis of spatial, spectral, and temporal data through photoptic (color additive viewer) and computer processing at different scales, allowing large areas survey in a fast, precise, and low cost manner.

  7. U.S. Geological Survey Field Leach Test for Assessing Water Reactivity and Leaching Potential of Mine Wastes, Soils, and Other Geologic and Environmental Materials

    Science.gov (United States)

    Hageman, Philip L.

    2007-01-01

    The U. S. Geological Survey (USGS) has developed a fast (5-minute), effective, simple, and cost-effective leach test that can be used to simulate the reactions that occur when materials are leached by water. The USGS Field Leach Test has been used to predict, assess, and characterize the geochemical interactions between water and a broad variety of geologic and environmental matrices. Examples of some of the samples leached include metal mine wastes, various types of dusts, biosolids (processed sewage sludge), flood and wetland sediments, volcanic ash, forest-fire burned soils, and many other diverse matrices. The Field Leach Test has been an integral part of these investigations and has demonstrated its value as a geochemical characterization tool. It has enabled investigators to identify which constituents are water reactive, soluble, mobilized, and made bioaccessible because of leaching by water, and to understand potential impacts of these interactions on the surrounding environment.

  8. Geophysical and geological investigations of the Boda area

    Energy Technology Data Exchange (ETDEWEB)

    Waenstedt, S. [Geosigma AB, Uppsala (Sweden)

    2000-04-15

    The studies conducted in the Boda area exhibit the presence of a severely fractured rock mass with occasional caves. The Boda area appears to be intersected by a few significant zones, obvious from a study of the topography but do appear in some of the geophysical investigations as well. The structures in the area have quite efficiently isolated the rock plint where the caves are located. It is not possible from these investigations, however, to draw far-reaching conclusions about the age and genesis of the zones or about their continuation towards depth. The geological investigation shows, apart from the caves, no unusual features. The rock types in the investigated area correspond with rock types found elsewhere in the region. The area is highly unsuitable for geophysical surface investigations. Part of the area consists of scattered and quite large blocks that constitute obstacles when making measurements in the area. Since there is little or no soil between the blocks some measurements (e.g. resistivity) are not possible to carry out. Furthermore, the scattered blocks cause unwanted reflections and other difficulties that deteriorate the quality of the geophysical data. The radar measurements with two different frequencies show an interesting result of importance not only to this investigation. The lower frequency appears to penetrate through the rocky overburden and is able to detect the soil-rock interface. The higher frequency is severely disturbed by the overburden but caves show much more clearly in this data. The fractured rock around Boda appears to be a shallow feature, since the radar measurements show a quite significant feature throughout most of the profiles, which appears to be the upper boundary of the bedrock. There are, however, some occasional strong reflectors below the interface between fractured and competent rock.

  9. Geology

    Data.gov (United States)

    Kansas Data Access and Support Center — This database is an Arc/Info implementation of the 1:500,000 scale Geology Map of Kansas, M­23, 1991. This work wasperformed by the Automated Cartography section of...

  10. Application of electric and electromagnetic prospection methods for the investigation of geological fault zones

    Science.gov (United States)

    Schaumann, G.; Günther, T.; Musmann, P.; Grinat, M.

    2012-04-01

    Electric and electromagnetic prospection methods are applied in combination and investigated concerning their ability to image geological fault zones with depths up to a few km. Faults are prominent targets to explore because they bear possible flow paths for hydrothermal fluids. Therefore resistivity can become a valuable key parameter. Within the German Research Association gebo (Geothermal Energy and High Performance Drilling, www.gebo-nds.de) the electric/electromagnetic methods are operated alongside with the seismic exploration method. While seismic investigations yield information about the subsurface structure, electric and electromagnetic methods supplement these results with their ability to provide information about the resistivity distribution. Commonly used survey setups are analysed with respect to their investigation depth. Non-standard large-scale DC resistivity measurements in a dipole-dipole configuration energized by a high current source were applied in the field. Furthermore, Transient electromagnetic (TEM) soundings with a high transmitter moment were carried out. The setup in the field was modified in order to reach greater investigation depths. The course of seismic reflectors was incorporated into the inversion of the DC resistivity data by structural constraints. Especially thin low-resistive layers, detected by a 1D interpretation of the TEM data show a correlation to the seismic reflectors. While the 2D DC results give information about the resistivity structure of the fault zone, layers of low resistivity that are poorly determined with the DC measurements can be observed with an adapted TEM survey setup. After an initial investigation of known shallow fault zones more emphasis will be attached to the exploration of deeper structures in the subsurface, significant for geothermal tasks. A concept for a suitable field survey design is under development, especially adapted to the specific geological features in the sedimentary basin of

  11. Black Butte Lake, Stony Creek, California Geologic and Seismologic Investigation.

    Science.gov (United States)

    1986-01-01

    Geologic Harlan Miller Tate (1982) Great Valley NNE NNW Vertical Weak Lomnitz & Seismologic Bolt (1967) Margin N75E N15W Vertical Geologic Bolt et al...of Engineers, Sacramento District, California. 78 Bolt, B.A., Lomnitz , C., and McEvilly, T.V., 1968. Seismolo gical Evidence in the Tectonics of...Division of Hines and Geology Special Report 124, R.W. Sherburne and C.J. Hagne, Editors. 83 Lomnitz , C., and Bolt, B.A., 1967. Evidence of Crustal

  12. Tracklines of swath bathymetry collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (bathy_trk_07007.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  13. Text Files of the DGPS Navigation Logged with HYPACK Software on U.S. Geological Survey Cruise 2012-002-FA from June 11 to June 14, 2012

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal...

  14. BATHY_GRD.ASC - Bathymetric data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006-2007 (ESRI ASCII GRID)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  15. MOSAIC_06015_DD - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (Geographic GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  16. Tracklines of sidescan sonar data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (sidescan_trk_06015.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  17. Tracklines of chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (seismic_trk_07007.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  18. Surficial Sediment Data Collected During U.S. Geological Survey (USGS) Cruise R/V RAFAEL 09059 Offshore of Rocky Point, New York (RAFA09059_RPSEDDATA.SHP)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal...

  19. Locations of Sea-Floor Photographs Acquired During U.S. Geological Survey Cruise 09059 Offshore of Rocky Point, New York (RAFA09059_RPBOTPHOTOS, Geographic)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal...

  20. Location of Sea Floor Photographs Acquired During U.S. Geological Survey (USGS) Cruise 2011-006-FA in Rhode Island Sound (2011-006_995BOTPHOTOS, Geographic)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the...

  1. Tracklines of swath bathymetry collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (bathy_trk_06015.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  2. Tracklines of side-scan sonar data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (sidescan_trk_07007.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  3. Tracklines of chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (seismic_trk_06015.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  4. Tracklines of side-scan sonar data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (sidescan_trk_07007.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  5. BATHY_GRD.ASC - Bathymetric data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006-2007 (ESRI ASCII GRID)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  6. 1-meter contours produced from bathymetric data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006-2007 (cont_1m, polyline)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  7. MOSAIC_06015_DD - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (Geographic GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  8. Tracklines of chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (seismic_trk_07007.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  9. Tracklines of swath bathymetry collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (bathy_trk_06015.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  10. Tracklines of swath bathymetry collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (bathy_trk_07007.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  11. Tracklines of sidescan sonar data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (sidescan_trk_06015.shp, polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  12. Bathymetric data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006-2007 (BATHY_GRD.ASC, ESRI ASCII GRID)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  13. bathy_trk_07007.shp - Tracklines of swath bathymetry collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (polylines)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  14. Text Files of the DGPS Navigation Logged with HYPACK Software on U.S. Geological Survey Cruise 2012-002-FA from June 11 to June 14, 2012

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal...

  15. U.S. Geological Survey 2010 Petroleum Resource Assessment of the National Petroleum Reserve in Alaska (NPRA): GIS Play Maps

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The 2010 updated assessment of NPRA evaluated each of the 24 plays based on the availability of new geologic data available from exploration activities and...

  16. Geology, Surficial, Geology of Kent County, Delaware: DGS Geologic Map No. 14, Published in 2006, 1:100000 (1in=8333ft) scale, Delaware Geological Survey.

    Data.gov (United States)

    NSGIC GIS Inventory (aka Ramona) — This Geology, Surficial dataset, published at 1:100000 (1in=8333ft) scale, was produced all or in part from Hardcopy Maps information as of 2006. It is described as...

  17. National Oceanic and Atmospheric Administration hydrographic survey data used in a U.S. Geological Survey regional geologic framework study along the Delmarva Peninsula

    Science.gov (United States)

    Pendleton, Elizabeth A.; Brothers, Laura L.; Thieler, E. Robert; Danforth, William W.; Parker, Castle E.

    2014-01-01

    The U.S. Geological Survey initiated a research effort in 2014 to define the geologic framework of the Delmarva Peninsula inner continental shelf, which included new data collection and assembly of relevant extant datasets. Between 2006 and 2011, Science Applications International Corporation, under contract to the National Oceanic and Atmospheric Administration National Ocean Service, carried out 23 hydrographic surveys covering more than 4,100 square kilometers of the continental shelf using Reson multibeam echosounders and Klein towed sidescan sonars to update nautical charts along the Delmarva Peninsula. Acoustic backscatter data from these instruments are valuable for characterizing aspects of shallow geologic framework, including seafloor geology, sediment transport pathways, and marine resources. The data cover an area that extends from the entrance of Delaware Bay, Delaware, south to Parramore Island, Virginia, in water depths of about 3 to 35 meters below mean lower low water. Data were collected along lines spaced 40 meters apart, resulting in 40 to 100 percent seafloor coverage for multibeam bathymetry. Processed bathymetric data within the Delmarva Peninsula study area are available through a National Ocean Service interactive map interface, but towed sidescan data products are limited, and multibeam backscatter data products have not been available in the past.

  18. U.S. Geological Survey geohydrologic studies and monitoring at the Idaho National Laboratory, southeastern Idaho

    Science.gov (United States)

    Bartholomay, Roy C.

    2017-09-14

    BackgroundThe U.S. Geological Survey (USGS) geohydrologic studies and monitoring at the Idaho National Laboratory (INL) is an ongoing, long-term program. This program, which began in 1949, includes hydrologic monitoring networks and investigative studies that describe the effects of waste disposal on water contained in the eastern Snake River Plain (ESRP) aquifer and the availability of water for long-term consumptive and industrial use. Interpretive reports documenting study findings are available to the U.S. Department of Energy (DOE) and its contractors; other Federal, State, and local agencies; private firms; and the public at https://id.water.usgs.gov/INL/Pubs/index.html. Information contained within these reports is crucial to the management and use of the aquifer by the INL and the State of Idaho. USGS geohydrologic studies and monitoring are done in cooperation with the DOE Idaho Operations Office.

  19. Source document compilation: Los Alamos investigations related to the environment, engineering, geology, and hydrology, 1961--1990. Volume 1

    Energy Technology Data Exchange (ETDEWEB)

    Purtymun, W.D. [comp.

    1994-03-01

    This document is a compilation of informal reports, letters, and memorandums regarding geologic and hydrologic studies and investigations such as foundation investigations for structures, drilling or coring for environmental studies, development of water supply, or construction of test or observation wells for monitoring. Also included are replies requested for specific environmental, engineering, geologic, and hydrologic problems. The purpose of this document is to preserve and make the original data available to the environmental studies that are now in progress at Los Alamos and provide a reference for and supplement the LAMS report ``Records of Observation Wells, Test Holes, Test Wells, Supply Wells, Springs, and Surface water stations at Los Alamos: with Reference to the Geology and Hydrology,`` which is in preparation. The informal reports and memorandums are listed chronologically from December 1961 to January 1990. Item 208 is a descriptive history of the US Geological Survey`s activities at Los Alamos from 1946 through 1972. The history includes a list of published and unpublished reports that cover geology, hydrology, water supply, waste disposal, and environmental monitoring in the Los Alamos area.

  20. Source document compilation: Los Alamos investigations related to the environment, engineering, geology, and hydrology, 1961--1990. Volume 2

    Energy Technology Data Exchange (ETDEWEB)

    Purtymun, W.D. [comp.

    1994-03-01

    This document is a compilation of informal reports, letters, and memorandums regarding geologic and hydrologic studies and investigations such as foundation investigations for structures, drilling or coring for environmental studies, development of water supply, or construction of test or observation wells for monitoring. Also included are replies requested for specific environmental, engineering, geologic, and hydrologic problems. The purpose of this document is to preserve and make the original data available to the environmental studies that are now in progress at Los Alamos and provide a reference for and supplement the LAMS report ``Records of Observation Wells, Test Holes, Test Wells, Supply Wells, Springs, and Surface water stations at Los Alamos: with Reference to the Geology and Hydrology,`` which is in preparation. The informal reports and memorandums are listed chronologically from December 1961 to January 1990. Item 208 is a descriptive history of the US Geological Survey`s activities at Los Alamos from 1946 through 1972. The history includes a list of published and unpublished reports that cover geology, hydrology, water supply, waste disposal, and environmental monitoring in the Los Alamos area.

  1. Insights into the Structure and Surface Geology of Isla Socorro, Mexico, from Airborne Magnetic and Gamma-Ray Surveys

    Science.gov (United States)

    Paoletti, V.; Gruber, S.; Varley, N.; D'Antonio, M.; Supper, R.; Motschka, K.

    2016-05-01

    The island of Socorro is located in the eastern Pacific Ocean, 650 km off the coast of Mexico. It is a rare example of an oceanic volcanic island whose above sea level volume is made up mostly of peralkaline trachytes and rhyolites, with subordinate mafic rocks. Subaerial volcanism started several hundred thousand years ago and continues until recent times. We present an investigation of surface and subsurface geology of the island, based on the first detailed extensive geophysical survey on the island. Acquired airborne magnetic and gamma-ray data were compared to existing geological information and supplemented with field investigations and satellite imagery. Magnetic data show a wide minimum in the central part of the island, possibly connected to a high-temperature zone in the deeper central portion of the volcano, likely to be due to a still hot magma body. The data also depict two parallel edges possibly suggesting the existence of a nested caldera. Analysis on upward continued magnetic data by recent imaging techniques highlighted two deep sources located around 5 km b.s.l., interpreted as feeding structures that are now filled with crystalline rocks. Gamma-ray data have been interpreted through integration with the geological survey results. Several previously known volcanic deposits have been identified based on radioelement distribution, and others have been redefined based on field evidence. A new succession of volcanic members is proposed, to be verified through more detailed geological mapping, geochemical analyses of rock samples and radiometric dating.

  2. survey2_2m: Swath bathymetry gridded data (survey 2) collected by the U.S. Geological Survey surrounding Muskeget Channel, MA, November 2010 (Esri grid, UTM Zone 19N, WGS 84, 2-m resolution)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected in a collaboration between the Woods Hole Oceanographic Institution and the U.S. Geological Survey (USGS). The primary objective of this...

  3. Survey lines along which SEABed Observation and Sampling System (SEABOSS) data were collected by the U.S. Geological Survey within the Northern Cape Cod Bay survey area (CCB_SeabossTrackline Esri shapefile, Geographic, WGS84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  4. Survey lines along which EdgeTech 512i chirp seismic-reflection data were collected by the U.S. Geological Survey in the Cape Ann - Salisbury Beach, MA survey area (SEISMICTRACKLINE, Geographic, WGS84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey, Coastal and...

  5. survey1_2m: Swath bathymetry gridded data (survey 1) collected by the U.S. Geological Survey surrounding Muskeget Channel, MA, October 2010 (Esri grid, UTM Zone 19N, WGS 84, 2-m resolution)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected in a collaboration between the Woods Hole Oceanographic Institution and the U.S. Geological Survey (USGS). The primary objective of this...

  6. U.S. Geological Survey water-resource monitoring activities in support of the Wyoming Landscape Conservation Initiative

    Science.gov (United States)

    Soileau, Suzanna; Miller, Kirk

    2013-01-01

    The quality of the Nation’s water resources are vital to the health and well-being of both our communities and the natural landscapes we value. The U.S. Geological Survey investigates the occurrence, quantity, quality, distribution, and movement of surface water and groundwater and provides this information to engineers, scientists, managers, educators, and the general public. This information also supplements current (2013) and historical water data provided by the National Water Information System. The U.S. Geological Survey collects and shares data nationwide, but how those data are used is often site specific; this variety of data assists natural-resource managers in addressing unique, local, and regional challenges.

  7. Water-resources activities of the U.S. Geological Survey in Montana, October 1987 through September 1989

    Science.gov (United States)

    Thamke, J. N.

    1989-01-01

    Water resources programs and activities of the U.S. Geological Survey in Montana consist principally of hydrological data collection and local, areal, or statewide hydrologic investigations. The work is supported by direct Federal funding, by transfer of funds from other Federal agencies, and by joint funding agreements with State or local agencies. The Montana District of the Geological Survey 's Water Resources Division conducts its hydrologic work through a headquarters office in Helena, and field offices in Helena, Billings, Fort Peck and Kalispell. This report describes the eighteen projects funded for fiscal years 1988 and 1989. In addition, it describes the operations of the Montana District, water conditions during water year 1988, activities in addition to regular programs, sources of publications and information, and lists reports published or released during the preceding 5 years. (USGS)

  8. JPEG images of Seismic data collected by the U.S. Geological Survey as part of the Geologic Framework Studies project offshore of the Grand Strand, South Carolina

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — JPEG images of each seismic line were generated in order to incorporate images of the seismic data into Geographic Information System (GIS) projects and data...

  9. Geology, Bedrock - BEDROCK_TOPOGRAPHY_MM36_IN: Bedrock Topography Contours, Indiana (Indiana Geological Survey, 1:500,000, Line Shapefile)

    Data.gov (United States)

    NSGIC GIS Inventory (aka Ramona) — Bedrock topography was converted from the original published map, Indiana Geological Survey Miscellaneous Map 36. The contours define the elevation/topography of the...

  10. Geology, Bedrock - BEDROCK_TOPOGRAPHY_MM36_IN: Bedrock Topography Contours, Indiana (Indiana Geological Survey, 1:500,000, Line Shapefile)

    Data.gov (United States)

    NSGIC State | GIS Inventory — Bedrock topography was converted from the original published map, Indiana Geological Survey Miscellaneous Map 36. The contours define the elevation/topography of the...

  11. Investigating evidence of geologically recent liquid water on Mars

    Science.gov (United States)

    Kolb, Kelly Jean

    2009-06-01

    Geologically young gullies have been proposed to be evidence of recent liquid water on Mars. This dissertation details work I have done to address issues surrounding the Martian gullies and recent water on Mars. In order to determine the elevations at which gullies occur, I created a set of Interactive Data Language programs and Unix C-shell scripts to coregister Mars Orbiter Laser Altimeter topography with high resolution Mars images. My scripts represent the first public method that does this. Recently, the Mars Orbiter Camera detected changes in the form of new bright deposits in two gullies. The High Resolution Imaging Science Experiment (HiRISE) camera detected more gullies with bright deposits. I used my scripts to identify some of the best candidates for liquid water formation based on their shallow average slopes. A Digital Elevation Model (DEM) was produced using HiRISE stereo images of my selected candidates in Hale Crater. I model two gullies with bright slope deposits in Hale Crater and find that both water- rich and sediment-rich flows could reproduce the bright deposits' locations and morphologies. Since liquid water is rarely stable on Mars today, I suggest that dry flows formed the bright deposits. The channel gradient where flows deposit, the apex slope, can tell us whether a flow was likely dry and non-fluidized (slopes ~21°) or fluidized (shallower slopes). I measured the apex slope of 75 gullies located in five HiRISE DEMs. I find that 72% of the gullies studied were likely emplaced by a fluidized flow. I also find that modified gullies are more likely to have a fluidized emplacement than relatively fresh gullies. My results suggest that there is no evidence requiring water-rich flows in gullies today. Understanding the concept of water on Mars is crucial to understanding NASA's Mars Exploration Strategy, "Follow the Water." I undertook a study investigating alternative conceptions about water on Mars held by middle school science teachers to

  12. PNG images of Edgetech SB-512i seismic-reflection data collected in 2014 by the U.S. Geological Survey offshore of Fire Island, NY (PNG Format).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS) conducted a geophysical and sampling survey in October 2014 that focused on a series of shoreface-attached ridges offshore of...

  13. The role of the U.S. Geological Survey in the lithium industry

    Science.gov (United States)

    Vine, J.D.

    1978-01-01

    The U.S. Geological Survey has responsibility in the U.S. Department of the Interior to assess the nation's energy and mineral resources. The evaluation of reserves and resources of a commodity such as lithium should be a continuing process in the light of advancing technology and ever-growing knowledge of its geologic occurrence and geochemical behavior. Although reserves of lithium vary with market demand because of the investment required to find, develop, and appraise an ore body, total resources are a function of the geologic occurrence and geochemical behavior of lithium. By studying known deposits and publishing data on their origin and occurrence, the U.S. Geological Survey can aid in the discovery of new deposits and improve the resource base. Resource data are used both by the government and the private sector. Government funding for research on energy-related technologies such as electric vehicle batteries and fusion power requires assurance that there will be enough lithium available in time for commercialization. Questions of availability for all mineral commodities must be answered by the U.S. Geological Survey so that intelligent decisions can be made. ?? 1978.

  14. Preliminary geologic investigation of the Apollo 15 landing site

    Science.gov (United States)

    Swann, G. A.; Bailey, N. G.; Batson, R. M.; Freeman, V. L.; Hait, M. H.; Head, J. W.; Holt, H. E.; Howard, K. A.; Irwin, J. B.; Larson, K. B.

    1972-01-01

    The Apollo 15 lunar module (LM) landed on the mare surface of Palus Putredinis on the eastern edge of the Imbrium Basin. The site is between the Apennine Mountain front and Hadley Rille. The objectives of the mission, in order of decreasing priority, were description and sampling of three major geologic features-the Apennine Front, Hadley Rille, and the mare. The greater number of periods of extravehicular activity (EVA) and the mobility provided by the lunar roving vehicle (ROVER) allowed much more geologic information to be obtained from a much larger area than those explored by previous Apollo crews. A total of 5 hours was spent at traverse station stops, and the astronauts transmitted excellent descriptions of the lunar surface while in transit between stations.

  15. The British Geological Survey's Lexicon of Named Rock Units as Online and Linked Data

    Science.gov (United States)

    McCormick, T.

    2012-12-01

    The British Geological Survey's Lexicon of Named Rock Units provides freely accessible definitions and supplementary information about geological units of Great Britain, Northern Ireland, and their associated continental shelf. It is an online database that can be searched at www.bgs.ac.uk/Lexicon/. It has existed since 1990 (under different names) but the database and user interface have recently been completely redesigned to improve their semantic capabilities and suitability for describing different styles of geology. The data are also now freely available as linked data from data.bgs.ac.uk/. The Lexicon of Named Rock Units serves two purposes. First, it is a dictionary, defining and constraining the geological units that are referenced in the Survey's data sets, workflows, products and services. These can include printed and digital geological maps at a variety of scales, reports, books and memoirs, and 3- and 4-dimensional geological models. All geological units referenced in any of these must first be present and defined, at least to a basic level of completeness, in the Lexicon database. Only then do they become available for use. The second purpose of the Lexicon is as a repository of knowledge about the geology of the UK and its continental shelf, providing authoritative descriptions written and checked by BGS geoscientists. Geological units are assigned to one of four themes: bedrock, superficial, mass movement and artificial. They are further assigned to one of nine classes: lithostratigraphical, lithodemic intrusive, lithodemic tectono-metamorphic, lithodemic mixed, litho-morpho-genetic, man-made, age-based, composite, and miscellaneous. The combination of theme and class controls the fields that are available to describe each geological unit, so that appropriate fields are offered for each, whether it is a Precambrian tectono-metamorphic complex, a Devonian sandstone formation, or a Devensian river terrace deposit. Information that may be recorded

  16. U.S. Geological Survey assessment of reserve growth outside of the United States

    Science.gov (United States)

    Klett, Timothy R.; Cook, Troy A.; Charpentier, Ronald R.; Tennyson, Marilyn E.; Le, Phuong A.

    2015-12-21

    The U.S. Geological Survey estimated volumes of potential additions to oil and gas reserves for the United States by reserve growth in discovered accumulations. These volumes were derived by using a new methodology developed by the U.S. Geological Survey and reviewed by the American Association of Petroleum Geologists Committee on Resource Evaluation. This methodology was used to assess reserve growth in individual accumulations (reservoirs, groups of reservoirs, or fields). Selected, large, well-studied, conventional accumulations in the United States that are estimated to contribute most to reserve growth were assessed using analysis of geology and engineering practices. Potential additions to oil and gas reserves for large, discovered, conventional accumulations outside of the United States due to reserve growth were assessed using the U.S. accumulations as analogs. Potential oil and gas volumes were assumed to be added to proven plus probable reserves.

  17. 2014 U.S. Geological Survey CMGP LiDAR: Post Sandy (Pennsylvania)

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — Fugro EarthData, Inc. (Fugro) was tasked by the U.S. Geological Survey (USGS) to plan, acquire, process, and produce derivative products of LiDAR data at a nominal...

  18. Transportation and Hydrology Studies of the U.S. Geological Survey in New England

    Science.gov (United States)

    Lombard, Pamela J.

    2016-03-23

    The U.S. Geological Survey (USGS) has a long history of working with the Federal Highway Administration (FHWA) and State transportation agencies to provide data and information to address various issues related to water resources and the Nation’s transportation infrastructure. These issues include the following:

  19. Water resources activities of the U.S. Geological Survey in Afghanistan from 2004 through 2014

    Science.gov (United States)

    Mack, Thomas J.; Chornack, Michael P.; Vining, Kevin C.; Amer, Saud A.; Zaheer, Mohammad F.; Medlin, Jack H.

    2014-01-01

    Safe and reliable supply of water, for irrigation and domestic consumption, is one of Afghanistan’s critical needs for the country’s growing population. Water is also needed for mining and mineral processing and the associated business and community development, all of which contribute to the country’s economic growth and stability. Beginning in 2004, U.S. Geological Survey scientists have aided efforts to rebuild Afghanistan’s capacity to monitor water resources, working largely with scientists in the Afghanistan Geological Survey of the Ministry of Mines and Petroleum as well as with scientists in the Afghanistan Ministry of Energy and Water, the Afghanistan Ministry of Agriculture, Irrigation, and Livestock, and nongovernmental organizations in Afghanistan. Considerable efforts were undertaken by the U.S. Geological Survey to compile or recover hydrologic data on Afghanistan’s water resources. These collaborative efforts have assisted Afghan scientists in developing the data collection networks necessary for improved understanding, managing these resources, and monitoring critical changes that may affect future water supplies and conditions. The U.S. Geological Survey, together with Afghan scientists, developed a regional groundwater flow model to assist with water resource planning in the Kabul Basin. Afghan scientists are now independently developing the datasets and conducting studies needed to assess water resources in other population centers of Afghanistan.

  20. Surface water-quality activities of the U.S. Geological Survey in New England

    Science.gov (United States)

    Huntington, Thomas G.

    2016-03-23

    The U.S. Geological Survey (USGS) collaborates with a variety of Federal, State, local, and tribal partners on scientific projects to provide reliable and impartial water-quality data and interpretation to resource managers, planners, stakeholders, and the general public. The themes related to surface water quality include the following:

  1. Estimated Use of Water in the United States in 1975. Geological Survey Circular 765.

    Science.gov (United States)

    Murray, C. Richard; Reeves, E. Bodette

    The United States Geological Survey has compiled data on water use in this country every fifth year since 1950. This document is the most recent of this series and presents data on water withdrawn for use in the United States in 1975. In the introduction, recent and present water use studies are discussed along with a description of the…

  2. U.S. Geological Survey Federal-State Program (water quality)

    Science.gov (United States)

    Buchanan, T.J.; Gilbert, B.K.

    1982-01-01

    The program is a partnership between the Geological Survey and State and local agencies for the collection of the hydrologic information needed for the continuing determination and evaluation of the quantity, quality, and use of the nation's water resources. A number of typical examples of projects within the program are presented. -from ASCE Publications Abstracts

  3. Topographic and Hydrographic GIS Datasets for the Afghanistan Geological Survey and U.S. Geological Survey 2014 Mineral Areas of Interest

    Science.gov (United States)

    DeWitt, Jessica D.; Chirico, Peter G.; Malpeli, Katherine C.

    2015-11-18

    Mineral extraction and associated industries play an important role in the Afghan economy, particularly in the “transitional era” of declining foreign aid and withdrawal of foreign troops post 2014. In addition to providing a substantial source of government revenue, other potential benefits of natural resource development include boosted exports, employment opportunities, and strengthened industrialization (Joya, 2012). Continued exploration and investment in these industries has resulted in large economic improvements since 2007, when this series of studies was initiated. At that time, the “Preliminary Non-Fuel Mineral Resource Assessment of Afghanistan” was completed by members of the U.S. Geological Survey and Afghanistan Geological Survey (Peters and others, 2007). The assessment published a series of country-wide datasets, including a digital elevation model (DEM), elevation contours, hydrography, transportation routes, geophysics, and cultural datasets (Peters and others, 2007). It also delineated 20 mineralized areas for further study using a geologic-based methodology. A second data product, “Summaries of Important Areas for Mineral Investment and Production Opportunities of Nonfuel Minerals in Afghanistan,” was released by Peters and others in 2011. This work highlighted geologic, geohydrologic, and hyperspectral studies that were carried out in specific Areas of Interest (AOIs) to assess the location and characteristics of mineral resources. Also included in the 2011 publication is a collection of appendixes and inventories of Geographic Information System (GIS) datasets for each of the 24 identified AOIs. A third data product was released in 2013 (Casey and Chirico, 2013), publishing datasets for five different AOIs, two subareas, and one AOI extension. Each dataset contains vector shapefiles of the AOI boundary, streams, roads, and contours at 25-, 50-, and 100-meter (m) intervals, as well as raster files of the AOI’s DEM and hillshade.

  4. Topographic and hydrographic GIS datasets for the Afghan Geological Survey and U.S. Geological Survey 2013 mineral areas of interest

    Science.gov (United States)

    Casey, Brittany N.; Chirico, Peter G.

    2013-01-01

    Afghanistan is endowed with a vast amount of mineral resources, and it is believed that the current economic state of the country could be greatly improved through investment in the extraction and production of these resources. In 2007, the “Preliminary Non-Fuel Resource Assessment of Afghanistan 2007” was completed by members of the U.S. Geological Survey and Afghan Geological Survey (Peters and others, 2007). The assessment delineated 20 mineralized areas for further study using a geologic-based methodology. In 2011, a follow-on data product, “Summaries and Data Packages of Important Areas for Mineral Investment and Production Opportunities of Nonfuel Minerals in Afghanistan,” was released (Peters and others, 2011). As part of this more recent work, geologic, geohydrologic, and hyperspectral studies were carried out in the areas of interest (AOIs) to assess the location and characteristics of the mineral resources. The 2011 publication included a dataset of 24 identified AOIs containing subareas, a corresponding digital elevation model (DEM), elevation contours, areal extent, and hydrography for each AOI. In 2012, project scientists identified five new AOIs and two subareas in Afghanistan. These new areas are Ahankashan, Kandahar, Parwan, North Bamyan, and South Bamyan. The two identified subareas include Obatu-Shela and Sekhab-ZamtoKalay, both located within the larger Kandahar AOI. In addition, an extended Kandahar AOI is included in the project for water resource modeling purposes. The dataset presented in this publication consists of the areal extent of the five new AOIs, two subareas, and the extended Kandahar AOI, elevation contours at 100-, 50-, and 25-meter intervals, an enhanced DEM, and a hydrographic dataset covering the extent of the new study area. The resulting raster and vector layers are intended for use by government agencies, developmental organizations, and private companies in Afghanistan to assist with mineral assessments, monitoring

  5. NATIONAL WATER INFORMATION SYSTEM OF THE U. S. GEOLOGICAL SURVEY.

    Science.gov (United States)

    Edwards, Melvin D.

    1985-01-01

    National Water Information System (NWIS) has been designed as an interactive, distributed data system. It will integrate the existing, diverse data-processing systems into a common system. It will also provide easier, more flexible use as well as more convenient access and expanded computing, dissemination, and data-analysis capabilities. The NWIS is being implemented as part of a Distributed Information System (DIS) being developed by the Survey's Water Resources Division. The NWIS will be implemented on each node of the distributed network for the local processing, storage, and dissemination of hydrologic data collected within the node's area of responsibility. The processor at each node will also be used to perform hydrologic modeling, statistical data analysis, text editing, and some administrative work.

  6. Proceedings of a U.S. Geological Survey pressure-sensor Workshop, Denver, Colorado, July 28-31, 1992

    Science.gov (United States)

    Wilbourn, Sammy L.

    1994-01-01

    The U.S. Geological Survey (USGS) conducted a Pressure Sensor Workshop, oriented toward the measurement of stage in surface waters, in Denver, Colorado, July 28-31, 1992. Twenty attendees from the U.S. Geological Survey and the National Oceanic and Atmospheric Administration gave presentations concerning their experiences with the use of pressure sensors in hydrologic investigations. This report is a compilation of the abstracts of the presentations made at the workshop. Workshop participants concluded that each of the sensors evaluated by the U.S. Geological Survey has strengths and weaknesses. Personnel contemplating the use of pressure sensors discussed at this workshop should contact workshop attendees and consult with them about their experiences with those sensors. The attendees preferred to use stilling wells with float-operated water-level sensors as the primary means for monitoring water levels. However, pressure sensor systems were favored as replacements for mercury manometers and as alternatives to stilling wells at sites where stilling wells are not practical or cost effective.

  7. MATHEMATICAL GEOLOGY

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    <正>20090700 Chen Anshu(Tianjin Institute of Geology and Mineral Resources,China Geological Survey,Tianjin 300170,China);Li Xiaoguang 1:250 000-Scale Regional Geological Map Spatial Database(Geological Survey and Research,ISSN1672-4135,CN12-1353/P,31(1),2008,p.64-69,2 illus.,2 tables,5 refs.)

  8. ECONOMIC GEOLOGY

    Institute of Scientific and Technical Information of China (English)

    2014-01-01

    <正>20140805Fan Baocheng(Xi’an Center of Geological Survey,China Geology Survey,Xi’an710054,China);Meng Guanglu The Geological Evolution and Metallization of TalasKalatawu Block in Northern Tianshan,Kyrgyzstan(Northwestern Geology,ISSN1009-6248,CN61-1149/P,46(2),2013,p.54-

  9. ECONOMIC GEOLOGY

    Institute of Scientific and Technical Information of China (English)

    2004-01-01

    <正>20041200 Peng Yujing (Regional Geology and Mineral Resources Survey of Jilin Province, Changchun, Jilin); Chen Erzhen A Preliminary Study on the Ore -Forming Geologic Events (Jilin Geology, ISSN 1001-2427, CN22-1099/P, 22(3), 2003, p. 1 -11, 23, 1 illus. , 38 refs. ) Key words: geological eventAn ore - forming geologic event, as a

  10. Geophysical investigations of geology and structure at the Martis Creek Dam, Truckee, California

    Science.gov (United States)

    Bedrosian, P.A.; Burton, B.L.; Powers, M.H.; Minsley, B.J.; Phillips, J.D.; Hunter, L.E.

    2012-01-01

    A recent evaluation of Martis Creek Dam highlighted the potential for dam failure due to either seepage or an earthquake on nearby faults. In 1972, the U.S. Army Corps of Engineers constructed this earthen dam, located within the Truckee Basin to the north of Lake Tahoe, CA for water storage and flood control. Past attempts to raise the level of the Martis Creek Reservoir to its design level have been aborted due to seepage at locations downstream, along the west dam abutment, and at the base of the spillway. In response to these concerns, the U.S. Geological Survey has undertaken a comprehensive suite of geophysical investigations aimed at understanding the interplay between geologic structure, seepage patterns, and reservoir and groundwater levels. This paper concerns the geologic structure surrounding Martis Creek Dam and emphasizes the importance of a regional-scale understanding to the interpretation of engineering-scale geophysical data. Our studies reveal a thick package of sedimentary deposits interbedded with Plio-Pleistocene volcanic flows; both the deposits and the flows are covered by glacial outwash. Magnetic field data, seismic tomography models, and seismic reflections are used to determine the distribution and chronology of the volcanic flows. Previous estimates of depth to basement (or the thickness of the interbedded deposits) was 100 m. Magnetotelluric soundings suggest that electrically resistive bedrock may be up to 2500 m deep. Both the Polaris Fault, identified outside of the study area using airborne LiDAR, and the previously unnamed Martis Creek Fault, have been mapped through the dam area using ground and airborne geophysics. Finally, as determined by direct-current resistivity imaging, time-domain electromagnetic sounding, and seismic refraction, the paleotopography of the interface between the sedimentary deposits and the overlying glacial outwash plays a principal role both in controlling groundwater flow and in the distribution of the

  11. Survey lines along which EdgeTech SB-512i chirp seismic-reflection data were collected by the U.S. Geological Survey offshore of Massachusetts within Vineyard Sound by the U.S. Geological Survey in 2009, 2010, and 2011 (VS_SeismicTrackline, ESRI Shapefile, Geographic, WGS84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  12. Survey lines along which EdgeTech SB-512i chirp seismic-reflection data were collected by the U.S. Geological Survey offshore of Massachusetts within Vineyard Sound by the U.S. Geological Survey in 2009, 2010, and 2011 (VS_SeismicTrackline, ESRI Shapefile, Geographic, WGS84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  13. Survey lines along which EdgeTech SB-512i chirp seismic-reflection data were collected by the U.S. Geological Survey offshore of Massachusetts within Vineyard Sound by the U.S. Geological Survey in 2009, 2010, and 2011 (VS_SeismicTrackline, ESRI Shapefile, Geographic, WGS84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  14. Engineering geological and geophysical investigations for road construction in the municipality of Sisimiut, West Greenland

    DEFF Research Database (Denmark)

    2007-01-01

    and permafrost distribution, as well as engineering geological and geotechnical investigations conducted. We present data from two soil temperature stations, and show that the recent climatic warming has resulted in changes in the state of the permafrost. Furthermore, we present a geological type section based...... on engineering geological investigations in the Sisimiut area. Geophysical investigations show that presence of permafrost is widespread, and our results indicate that the vertical thickness of the permafrost may reach 20 m. Further climate warming in the near future will impose high demands on design...

  15. U.S. Geological Survey federal-state cooperative water-resources program, fiscal year 1995

    Science.gov (United States)

    Lew, Melvin; Dodds, Betty

    1996-01-01

    The Federal-State Cooperative Program is a major U.S. Geological Survey (USGS) activity for the collection, analysis, and reporting of information on the quantity, quality, and use of the Nation's water resources. The fundamental characteristic of the program is that most of the work is undertaken by the USGS through joint-funding agreements, with State, regional, and local agencies providing at least one-half the funds. The main objectives of the program are (1) to collect, on a systematic basis, data needed for the continuing determi- nation and evaluation of the quantity, quality, and use of the Nation's water resources; and (2) to appraise the availability and the physical, chemical, and biological characteristics of surface and ground water through data analysis and interpretive water-resources investigations and research. During fiscal year (FY) 1995, Cooperative Program activities were underway in offices in every State, Puerto Rico, and several territories in concert with about 1,100 cooperating agencies. In FY 1995, Federal funding of $62.1 million as matched by cooperating agencies, which also provided more than $28.2 million unmatched for a total program of about $152 million. This amounted to nearly 38 percent of the total funds for the USGS's water-resources activities. This report presents examples of FY 1995 investigations, as well as information on hydrologic data collection and water-use activities.

  16. Geology, Bedrock, Bedrock geologic map compilation of the west half of the Asheville 1:100,000 scale map., Published in 2006, 1:100000 (1in=8333ft) scale, NC DENR / Div. of Land Resources / Geological Survey Section.

    Data.gov (United States)

    NSGIC GIS Inventory (aka Ramona) — This Geology, Bedrock dataset, published at 1:100000 (1in=8333ft) scale, was produced all or in part from Field Survey/GPS information as of 2006. It is described...

  17. Landslide Research at the British Geological Survey: Capture, Storage and Interpretation on a National and Site-Specific Scale

    Institute of Scientific and Technical Information of China (English)

    Catherine PENNINGTON; Claire FOSTER; Jonathan CHAMBERS; Gareth JENKINS

    2009-01-01

    Landslide research at the British Geological Survey (BGS) is carried out through a number of activities, including surveying, database development and real-time monitoring of landslides.Landslide mapping across the UK has been carried out since BGS started geological mapping in 1835. Today, BGS geologists use a combination of remote sensing and ground-based investigations to survey landslides. The development of waterproof tablet computers (BGS-SIGMAmobile), with inbuilt GPS and GIS for field data capture provides an accurate and rapid mapping methodology for field surveys.Regional and national mapping of landslides is carried out in conjunction with site-specific monitoring, using terrestrial LiDAR and differential GPS technologies, which BGS has successfully developed for this application. In addition to surface monitoring, BGS is currently developing geophysical ground-imaging systems for landslide monitoring, which provide real-time information on subsurface changes prior to failure events. BGS's mapping and monitoring activities directly feed into the BGS National Landslide Database, the most extensive source of information on landslides in Great Britain. It currently holds over 14 000 records of landslide events. By combining BGS's corporate datasets with expert knowledge, BGS has developed a landslide hazard assessment tool,GeoSure, which provides information on the relative landslide hazard susceptibility at national scale.

  18. Mercury in U.S. coal—Priorities for new U.S. Geological Survey studies

    Science.gov (United States)

    Kolker, Allan

    2016-05-09

    In 2011, the U.S. Environmental Protection Agency (EPA) introduced emissions standards, known as Mercury and Air Toxics Standards (MATS), for a range of toxic constituents from coal-fired utility power stations and other combustion sources. This report presents the findings of an expert panel convened in September 2014 to assess the role of the U.S. Geological Survey (USGS) in new coal investigations that would be useful to stakeholders under MATS. Panel input is provided as summaries of responses to a questionnaire distributed to participants. The panel suggests that the USGS continue its work on trace elements in coal and include more information about delivered coals and boiler feed coals, in comparison to previous USGS compilations that emphasized sampling representative of coals in the ground. To be useful under multipollutant regulatory standards, investigation of a range of constituents in addition to mercury would be necessary. These include other toxic metals proposed for regulation, such as arsenic, nickel, cadmium, and chromium, as well as the halogens chlorine and fluorine, which upon emission form harmful acid gases. Halogen determinations are also important because they influence mercury speciation in flue gas, which allows the effectiveness of mercury controls to be assessed and predicted. The panel suggests that the Illinois Basin and the Powder River Basin should have the highest priority for new coal quality investigations in the near term by the USGS, on the basis of current economic conditions and overall economic importance, respectively. As a starting point for new investigations, brief summaries of the distribution of mercury in each coal basin, and their potential for further investigation, are presented.

  19. Interferometric Swath Bathymetric Data Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM03)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted...

  20. 1-Meter Sample Resolution Interferometric Swath Backscatter Data Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM03)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted...

  1. Single-Beam Bathymetric Data Collected in 2011 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 11BIM02)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center conducted...

  2. 2010-047-FA_hypack - Raw HYPACK navigation logs (text) collected by the U.S. Geological Survey in Vineyard Sound and Buzzards Bay, MA, July 2010

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  3. JPEG images of summary sheets of core content and analysis of vibracores collected by the U.S. Geological Survey within Apalachicola Bay, Florida, 2007

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2007, the U.S. Geological Survey collected 24 vibracores within Apalachicola Bay, Florida. The vibracores were collected using a Rossfelder electric percussive...

  4. JPEG images of seismic reflection profiles with adjacent vibracore locations collected by the U.S. Geological Survey within Apalachicola Bay, Florida (2005-2007)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2007, the U.S. Geological Survey collected 24 vibracores within Apalachicola Bay, Florida. The vibracores were collected using a Rossfelder electric vibracore...

  5. Location and analysis information of vibracores collected by the U.S. Geological Survey within Apalachicola Bay, Florida, 2007 (APP-07_CoreLocations, points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2007, the U.S. Geological Survey collected 24 vibracores within Apalachicola Bay, Florida. The vibracores were collected using a Rossfelder percussive (P-3)...

  6. PDF images of field description sheets from vibracores collected by the U.S. Geological Survey within Apalachicola Bay, Florida, 2007

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2007, the U.S. Geological Survey collected 24 vibracores within Apalachicola Bay, Florida. The vibracores were collected using a Rossfelder electric percussive...

  7. Location and analysis of microfossil samples from vibracores collected by the U.S. Geological Survey within Apalachicola Bay, Florida, 2007 (APP-07_Microfossils, points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2007, the U.S. Geological Survey collected 24 vibracores within Apalachicola Bay, Florida. The vibracores were collected using a Rossfelder electric percussive...

  8. Location of radiocarbon age dates sampled from vibracores collected by the U.S. Geological Survey within Apalachicola Bay, Florida, 2007 (APP-07_AgeDates, points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2007, the U.S. Geological Survey collected 24 vibracores within Apalachicola Bay, Florida. The vibracores were collected using a Rossfelder electric percussive...

  9. Sediment Sample Locations Collected in July 2013 from the Northern Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 13BIM05)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research (BIER) project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center...

  10. Sediment Sample Locations Collected in March 2012 from the Northern Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM01)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research (BIER) project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center...

  11. Sediment Sample Locations Collected in September 2012 from the Northern Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12LGC02)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research (BIER) project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center...

  12. PNG formatted images of mulitchannel boomer seismic-reflection profiles collected by the U.S. Geological Survey in Vineyard Sound, MA, 2011.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  13. Chirp sub-bottom profiler tracklines collected by the U.S. Geological Survey offshore of Fire Island, NY in 2011 (Geographic, WGS 84, Esri Polyline Shapefile)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS) mapped approximately 336 square kilometers of the lower shoreface and inner-continental shelf offshore of Fire Island, New York in...

  14. Text files of the navigation logged by the U.S. Geological Survey offshore of Fire Island, NY in 2011 (Geographic, WGS 84, HYPACK ASCII Text Files)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS) mapped approximately 336 square kilometers of the lower shoreface and inner-continental shelf offshore of Fire Island, New York in...

  15. JPEG images of Chirp seismic data collected by the U.S. Geological Survey within the St. Clair River between Michigan and Ontario, Canada, 2008 (JPEG IMAGES)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2008, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the U.S. Army Corps of Engineers conducted a...

  16. Sound velocity profile locations collected by the U.S. Geological Survey offshore of Fire Island, NY in 2011 (Geographic, WGS 84, Esri Point Shapefile)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS) mapped approximately 336 square kilometers of the lower shoreface and inner-continental shelf offshore of Fire Island, New York in...

  17. SED_ARCHIVE - Database for the U.S. Geological Survey Woods Hole Science Center's marine sediment samples, including locations, sample data and collection information

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), Woods Hole Science Center (WHSC) has been an active member of the Woods Hole research community for over 40 years. In that time...

  18. SED_ARCHIVE - Database for the U.S. Geological Survey Woods Hole Science Center's marine sediment samples, including locations, sample data and collection information

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), Woods Hole Science Center (WHSC) has been an active member of the Woods Hole research community for over 40 years. In that time...

  19. Interpretive Data Layer Showing the Framework Geology of National Oceanic and Atmospheric Administration (NOAA) Survey H11250 (H11250G_GEOL, Geographic)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey, in cooperation with the National Oceanic and Atmospheric Administration and the Connecticut Department of Environmental Protection, has...

  20. U.S. Geological Survey Polar Bear Mark-Recapture Records, Alaska Portion of the Southern Beaufort Sea, 2001-2010

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected by the U.S. Geological Survey, Alaska Science Center, Polar Bear Research Program as part of long-term research on the southern Beaufort...

  1. PNG Images of chirp sub-bottom profiler data collected by the U.S. Geological Survey offshore of Fire Island, NY in 2011 (PNG Image Format)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS) mapped approximately 336 square kilometers of the lower shoreface and inner-continental shelf offshore of Fire Island, New York in...

  2. Sound velocity profiles (SVPs) in CSV format and PNG image format collected by the U.S. Geological Survey in the nearshore surrounding the Elizabeth Islands, MA

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  3. 2007-039-FA_hypack - Raw HYPACK navigation logs (text) collected by the U.S. Geological Survey from Middle Ground, MA, 2007

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  4. 2009-068-FA_hypack - Raw HYPACK navigation logs (text) collected by the U.S. Geological Survey from Middle Ground, MA, September 22, 2009

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  5. 1-Meter Sample Resolution Interferometric Swath Backscatter Data Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM03)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted...

  6. Single-Beam Bathymetric Data Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM04)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted...

  7. Raw HYPACK navigation logs (text) collected by the U.S. Geological Survey - Woods Hole Coastal and Marine Science Center offshore of the Elizabeth Islands, MA, 2010

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  8. Location and analysis of microfossil samples from vibracores collected by the U.S. Geological Survey within Apalachicola Bay, Florida, 2007 (APP-07_Microfossils, points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2007, the U.S. Geological Survey collected 24 vibracores within Apalachicola Bay, Florida. The vibracores were collected using a Rossfelder electric percussive...

  9. Location of radiocarbon age dates sampled from vibracores collected by the U.S. Geological Survey within Apalachicola Bay, Florida, 2007 (APP-07_AgeDates, points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2007, the U.S. Geological Survey collected 24 vibracores within Apalachicola Bay, Florida. The vibracores were collected using a Rossfelder electric percussive...

  10. Location and analysis information of vibracores collected by the U.S. Geological Survey within Apalachicola Bay, Florida, 2007 (APP-07_CoreLocations, points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2007, the U.S. Geological Survey collected 24 vibracores within Apalachicola Bay, Florida. The vibracores were collected using a Rossfelder percussive (P-3)...

  11. 5-Meter Sample Resolution Interferometric Swath Bathymetric Data Collected in 2011 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 11BIM01)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center conducted...

  12. PNG Images of chirp sub-bottom profiler data collected by the U.S. Geological Survey offshore of Fire Island, NY in 2011 (PNG Image Format)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS) mapped approximately 336 square kilometers of the lower shoreface and inner-continental shelf offshore of Fire Island, New York in...

  13. PNG formatted images of mulitchannel boomer seismic-reflection profiles collected by the U.S. Geological Survey in Vineyard Sound and Buzzards Bay, MA, 2010.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  14. Locations of bottom photographs collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_BottomPhotos shapefile, Geographic, WGS84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  15. Geologic Interpretation of the Acoustic Data Collected During National Oceanic and Atmospheric Administration (NOAA) Survey H11361 (H11361_INTERP.SHP, Geographic)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey, in cooperation with the National Oceanic and Atmospheric Administration and the Connecticut Department of Environmental Protection, has...

  16. Geologic Interpretation of the Acoustic Data Collected During National Oceanic and Atmospheric Administration (NOAA) Survey H11252 (H11252_INTERP.SHP, Geographic)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey, in cooperation with the National Oceanic and Atmospheric Administration and the Connecticut Department of Environmental Protection, has...

  17. Sediment Sample Locations Collected in September 2012 from the Northern Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12LGC02)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research (BIER) project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center...

  18. Sediment Sample Locations Collected in July 2013 from the Northern Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 13BIM05)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research (BIER) project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center...

  19. Enhanced Historical Land-Use and Land-Cover Data Sets of the U.S. Geological Survey: Data Source Index Polygons

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This polygon data set provides ancillary information to supplement a release of enhanced U.S. Geological Survey (USGS) historical land-use and land-cover data. The...

  20. Sediment Sample Locations Collected in March 2012 from the Northern Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM01)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research (BIER) project, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center...

  1. Raw HYPACK navigation logs (text) collected by the U.S. Geological Survey - Woods Hole Coastal and Marine Science Center offshore of the Gulf Islands, MS, 2010

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2010, the U.S. Geological Survey in Woods Hole, MA and St. Petersburg, FL, in partnership with the U.S. Army Corps of Engineers, Mobile District conducted...

  2. Radiochemistry Data from Sediment Cores Collected in March 2012 Along the Northern Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Numbers 12BIM01)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Scientists from the U.S. Geological Survey (USGS), St. Petersburg Coastal and Marine Science Center collected a set of sediment cores from the back-barrier...

  3. Text files of the navigation logged by the U.S. Geological Survey offshore of Fire Island, NY in 2011 (Geographic, WGS 84, HYPACK ASCII Text Files)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS) mapped approximately 336 square kilometers of the lower shoreface and inner-continental shelf offshore of Fire Island, New York in...

  4. Single-Beam Bathymetric Data Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM04)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted...

  5. Location of Sea-Floor Photographs Acquired During U.S. Geological Survey (USGS) field activity 05007 (RAFA05007) from Quicks Hole, Massachusetts (RAF05007_BOTPHOTOS shapefile, Geographic)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Massachusetts Office of Coastal Zone...

  6. 2010-072-FA_hypack: Raw HYPACK navigation logs (text) collected by the U.S. Geological Survey from Muskeget Channel, MA, 2010

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected in a collaboration between the Woods Hole Oceanographic Institution and the U.S. Geological Survey (USGS). The primary objective of this...

  7. Interferometric Swath Bathymetric Data Collected in 2012 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 12BIM03)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey's St. Petersburg Coastal and Marine Science Center conducted...

  8. Single-Beam Bathymetric Data Collected in 2011 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 11BIM02)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center conducted...

  9. 5-Meter Sample Resolution Interferometric Swath Bathymetric Data Collected in 2011 from the Chandeleur Islands, Louisiana (U.S. Geological Survey Field Activity Number 11BIM01)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — As part of the Barrier Island Evolution Research Project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center conducted...

  10. JPEG images of Boomer seismic data collected by the U.S. Geological Survey within the St. Clair River between Michigan and Ontario, Canada, 2008 (JPEG IMAGES)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2008, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the U.S. Army Corps of Engineers conducted a...

  11. Interpretive Data Layer Showing the Framework Geology of National Oceanic and Atmospheric Administration (NOAA) Survey H11250 (H11250G_GEOL, Geographic)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey, in cooperation with the National Oceanic and Atmospheric Administration and the Connecticut Department of Environmental Protection, has...

  12. JPEG images of Chirp seismic data collected by the U.S. Geological Survey within the St. Clair River between Michigan and Ontario, Canada, 2008 (JPEG IMAGES)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2008, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the U.S. Army Corps of Engineers conducted a...

  13. JPEG images of Boomer seismic data collected by the U.S. Geological Survey within the St. Clair River between Michigan and Ontario, Canada, 2008 (JPEG IMAGES)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2008, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the U.S. Army Corps of Engineers conducted a...

  14. Sound velocity profiles (SVPs) in CSV format and PNG image format collected by the U.S. Geological Survey in the nearshore surrounding the Elizabeth Islands, MA

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  15. Raw HYPACK navigation logs (text) collected by the U.S. Geological Survey - Woods Hole Coastal and Marine Science Center offshore of the Elizabeth Islands, MA, 2010

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  16. Geologic and hydrologic investigations of a potential nuclear waste disposal site at Yucca Mountain, southern Nevada

    Energy Technology Data Exchange (ETDEWEB)

    Carr, M.D.; Yount, J.C. (eds.)

    1988-12-31

    Yucca Mountain in southern Nye County, Nevada, has been selected by the United States Department of Energy as one of three potential sites for the nation`s first high-level nuclear waste repository. Its deep water table, closed-basin ground-water flow, potentially favorable host rock, and sparse population have made the Yucca Mountain area a viable candidate during the search for a nuclear waste disposal site. Yucca Mountain, however, lies within the southern Great Basin, a region of known contemporary tectonism and young volcanic activity, and the characterization of tectonism and volcanism remains as a fundamental problem for the Yucca Mountain site. The United States Geological Survey has been conducting extensive studies to evaluate the geologic setting of Yucca Mountain, as well as the timing and rates of tectonic and volcanic activity in the region. A workshop was convened by the Geologic Survey in Denver, Colorado, on August 19, 20, and 21, 1985, to review the scientific progress and direction of these studies. Considerable debate resulted. This collection of papers represents the results of some of the studies presented at the workshop, but by no means covers all of the scientific results and viewpoints presented. Rather, the volume is meant to serve as a progress report on some of the studies within the Geological Survey`s continuing research program toward characterizing the tectonic framework of Yucca Mountain. Individual papers were processed separately for the data base.

  17. RES2DINV format continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 22, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  18. RES2DINV format continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 20, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  19. RESGPSPNTS_GSBAY.SHP: Navigation, bathymetry, and water temperature points of ship position during continuous resistivity profile data collection by the U.S. Geological Survey in Great South Bay on Long Island, New York, in May and September 2008.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  20. RESGPSLNS_GSBAY.SHP: Ship tracklines along which continuous resistivity profile data were collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, in May and September 2008.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  1. Data acquisition logs in PDF format maintained on U.S. Geological Survey Field Activities 2008-007-FA and 2008-037-FA in Great South Bay, Long Island, New York in May and September, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  2. Raw and modified raw continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 25, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  3. RES2DINV format continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 19, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  4. Raw and modified raw continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 24, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  5. RES2DINV format continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 22, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  6. Raw and modified raw continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 22, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  7. RES2DINV format continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on May 21, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  8. RES2DINV format continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 24, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  9. RES2DINV format continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 23, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  10. Raw and modified raw continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 23, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  11. RES2DINV format continuous resistivity profile data collected by the U.S. Geological Survey in Great South Bay on Long Island, New York, on Sept. 25, 2008

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York, was conducted to assess the importance of submarine...

  12. MODFLOW-NWT, MODPATH, and MT3DMS models used to study of hypothetical horizontal water-supply well design for New Hampshire and surrounding regions: U.S. Geological Survey data release

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — A series of three-dimensional, hypothetical, groundwater models (MODFLOW-NWT) were developed to investigate the effects of a variety of factors on the flow of...

  13. Collections management plan for the U.S. Geological Survey Woods Hole Coastal and Marine Science Center Data Library

    Science.gov (United States)

    List, Kelleen M.; Buczkowski, Brian J.; McCarthy, Linda P.; Orton, Alice M.

    2015-08-17

    The U.S. Geological Survey Woods Hole Coastal and Marine Science Center has created a Data Library to organize, preserve, and make available the field, laboratory, and modeling data collected and processed by Woods Hole Coastal and Marine Science Center staff. This Data Library supports current research efforts by providing unique, historic datasets with accompanying metadata. The Woods Hole Coastal and Marine Science Center’s Data Library has custody of historic data and records that are still useful for research, and assists with preservation and distribution of marine science records and data in the course of scientific investigation and experimentation by researchers and staff at the science center.

  14. Planning and acquiring a national center for the United States Geological Survey

    Science.gov (United States)

    Schmidt, William A.

    1993-01-01

    In August 1973, the U.S. Geological Survey moved its first group of employees into the John Wesley Powell Federal Building of its newly constructed National Center at Reston, Virginia. The move signaled the fruition of more than 20 years of dedicated planning and work following World War II, to consolidate the agency's widespread activities into one location, which could truly serve as a national center.

  15. U.S. Geological Survey assessments of continuous (unconventional) oil and gas resources, 2000 to 2011

    Science.gov (United States)

    ,

    2015-10-20

    From 2000 to 2011, the U.S. Geological Survey conducted 139 quantitative assessments of continuous (unconventional) oil and gas accumulations within the United States. This report documents those assessments more fully than previously done by providing detailed documentation of both the assessment input and output. This report also compiles the data into spreadsheet tables that can be more readily used to provide analogs for future assessments, especially for hypothetical continuous accumulations.

  16. U.S. Geological Survey Virginia and West Virginia Water Science Center

    Science.gov (United States)

    Jastram, John D.

    2017-08-22

    The U.S. Geological Survey (USGS) serves the Nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life. In support of this mission, the USGS Virginia and West Virginia Water Science Center works in cooperation with many entities to provide reliable, impartial scientific information to resource managers, planners, and the public.

  17. U.S. Geological Survey activities related to American Indians and Alaska Natives: Fiscal years 2009 and 2010

    Science.gov (United States)

    Fordham, Monique; Montour, Maria R.

    2015-01-01

    The U.S. Geological Survey is the earth and natural science bureau within the U.S. Department of the Interior. The U.S. Geological Survey provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the negative effects of climate and land-use change, and the core science systems that help us provide timely, relevant, and usable information. The U.S. Geological Survey is not responsible for regulations or land management.

  18. Are geological media homogeneous or heterogeneous for neutron investigations?

    Science.gov (United States)

    Woźnicka, U; Drozdowicz, K; Gabańska, B; Krynicka, E; Igielski, A

    2003-01-01

    The thermal neutron absorption cross section of a heterogeneous material is lower than that of the corresponding homogeneous one which contains the same components. When rock materials are investigated the sample usually contains grains which create heterogeneity. The heterogeneity effect depends on the mass contribution of highly and low-absorbing centers, on the ratio of their absorption cross sections, and on their sizes. An influence of the granulation of silicon and diabase samples on the absorption cross section measured with Czubek's method has been experimentally investigated. A 20% underestimation of the absorption cross section has been observed for diabase grains of sizes from 6.3 to 12.8 mm.

  19. Developing a geoscience knowledge framework for a national geological survey organisation

    Science.gov (United States)

    Howard, Andrew S.; Hatton, Bill; Reitsma, Femke; Lawrie, Ken I. G.

    2009-04-01

    Geological survey organisations (GSOs) are established by most nations to provide a geoscience knowledge base for effective decision-making on mitigating the impacts of natural hazards and global change, and on sustainable management of natural resources. The value of the knowledge base as a national asset is continually enhanced by the exchange of knowledge between GSOs as data and information providers and the stakeholder community as knowledge 'users and exploiters'. Geological maps and associated narrative texts typically form the core of national geoscience knowledge bases, but have some inherent limitations as methods of capturing and articulating knowledge. Much knowledge about the three-dimensional (3D) spatial interpretation and its derivation and uncertainty, and the wider contextual value of the knowledge, remains intangible in the minds of the mapping geologist in implicit and tacit form. To realise the value of these knowledge assets, the British Geological Survey (BGS) has established a workflow-based cyber-infrastructure to enhance its knowledge management and exchange capability. Future geoscience surveys in the BGS will contribute to a national, 3D digital knowledge base on UK geology, with the associated implicit and tacit information captured as metadata, qualitative assessments of uncertainty, and documented workflows and best practice. Knowledge-based decision-making at all levels of society requires both the accessibility and reliability of knowledge to be enhanced in the grid-based world. Establishment of collaborative cyber-infrastructures and ontologies for geoscience knowledge management and exchange will ensure that GSOs, as knowledge-based organisations, can make their contribution to this wider goal.

  20. Geophysical and geological investigations of subsurface reservoirs : case studies of Spitsbergen, Norway

    Energy Technology Data Exchange (ETDEWEB)

    Baelum, Karoline

    2011-07-01

    and carbonate reservoirs of the basin. Of special interest as a reservoir play analogue are the paleokarst features on Wordiekammen, a mountain close to the BFZ within the Billefjorden Trough. Similar plays have been and are explored on the Loppa High in the Barents Shelf The target of the investigation was series of infilled karst pipes located on top of (under a layer of sediment) and along the edges of the plateau that caps half of the mountain. The methods employed were Ground Penetration Radar (GPR) and geoelectric measurements. The porosity and chaotic geophysical reflection pattern of the collapse breccia infill in the pipes in contrast to the surrounding allowed for an well-constrained identification of the geometry and location of the pipes via closely sampled 2D and 3D GPR surveys. More than 20 breccia pipes were identified in the data with diameters of 10-80 m, showing geometries very similar to the pipes outcropping along the mountain edge. The geoelectric investigations revealed a strong link between resistivity anomalies and the position of the Karst pipes, although this is likely linked to the presence and composition of pore water. However, the exact relationship is yet to be determined. The high porosity and possible subsurface physical linkage of the collapse breccias confirm their value as interesting reservoirs analogues. The second topic concerns the subsurface geology around Longyearbyen in connection with the identification and quantification of a possible reservoir for future CO{sub 2}-storage. Results from this work are obtained via a combination of seismic data, drill cores and electrical logs from four drill holes with a maximum depth of 980 m, and in addition Lidar scans in connection with investigations of outcrops. The targeted Kapp Toscana Group reservoir, found below a cap rock section of Jurassic shales and mudstone, offers the c. 270 m thick De Geerdalen Formation topped by the 22 m thick Wilhelmoeya Subgroup. The reservoir section

  1. Realization of client/server management information system of coal mine based on ODBC in geology and survey

    Energy Technology Data Exchange (ETDEWEB)

    Liu, Q.; Mao, S.; Yang, F.; Han, Z. [Shandong University of Science and Technology (China). Geoscience Department

    2000-08-01

    The paper describes in detail the framework and the application theory of Open Database Connectivity (ODBC), the formation of a client/server system of geological and surveying management information system, and the connection of the various databases. Then systematically, the constitution and functional realization of the geological management information system are introduced. 5 refs., 5 figs.

  2. Selected water-resources activities of the U.S. Geological Survey in New England in 2017

    Science.gov (United States)

    Weiskel, Peter K.

    2017-06-22

    The New England Water Science Center of the U.S. Geological Survey (USGS) is headquartered in Pembroke, New Hampshire, with offices in East Hartford, Connecticut; Augusta, Maine; Northborough, Massachusetts; and Montpelier, Vermont. The areas of expertise covered by the water science center’s staff of 130 include aquatic biology, chemistry, geographic information systems, geology, hydrologic sciences and engineering, and water use.

  3. Archive of Geosample Data and Information from the U.S. Geological Survey (USGS) Coastal and Marine Geology Program (CMGP) Pacific Coastal and Marine Science Center (PCMSC) Samples Repository

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The U.S. Geological Survey Coastal and Marine Geology Program (CMGP) Pacific Coastal and Marine Science Center (PCMSC) Samples Repository is a partner in the Index...

  4. Archive of Geosample Data and Information from the U.S. Geological Survey (USGS) Coastal and Marine Geology Program (CMGP) Woods Hole Coastal and Marine Science Center (WHCMSC) Samples Repository

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The U.S. Geological Survey Coastal and Marine Geology Program (CMGP) Woods Hole Coastal and Marine Science Center (WHCMSC) Samples Repository is a partner in the...

  5. Archive of Geosample Data and Information from the U.S. Geological Survey (USGS) Coastal and Marine Geology Program (CMGP) St. Petersburg Coastal and Marine Science Center (SPCMSC) Samples Repository

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The U.S. Geological Survey Coastal and Marine Geology Program (CMGP) St. Petersburg Coastal and Marine Science Center (SPCMSC) Samples Repository is a partner in the...

  6. A summary of data collected by the U.S. Geological Survey at Dasht-e-Nawar, Afghanistan, in support of lithium exploration, June-September 2014

    Science.gov (United States)

    Stillings, Lisa L.; Mack, Thomas J.; Chornack, Michael P.; Kalaly, Siddiq S.; Ahmadi, M. Idrees; Akbar, A. Qasim

    2015-01-01

    The playa of the Dasht-e-Nawar basin, east-central Afghanistan, has historically been investigated for potential evaporate mineral deposits. In 2014, the U.S. Department of Defense Task Force for Business and Stability Operations contracted Centar American and SRK Consulting, Inc. to assess a potential lithium (Li) brine resource, conduct a basin gravity survey, and collect subsurface brines and sediments. The U.S. Geological Survey collaborated with this effort by providing analysis of Landsat imagery prior to, and during, field data collection; measurements of specific gravity of sediment and rock samples; oversight of passive seismic data collection and subsequent analysis; and an independent analysis of the chemistry and mineralogy of the subsurface samples. The Afghanistan Geological Survey collaborated by providing lithologic descriptions of subsurface sediment cores. This report presents the data collected and analyzed by the U.S. Geological Survey from June–September 2014, and the lithologic descriptions of sediment cores collected by the Afghanistan Geological Survey.

  7. Basic feasibility study with overseas geological structure survey in FY 1999 - Kalewa area, Myanmar (Summary)

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2000-03-01

    For the purpose of evaluating coal resource in the Kalewa area southwest of Sagaing about 300km northwest of Mandalay city, Myanmar, survey was conducted on geology, test boring, specimen analysis, infrastructure, etc. The range of geological survey is approximately 5.5km{sup 2}, and test boring was carried out for 9 holes (total length: 2,046.74m). For the coal analysis, 8 specimens were used, and measurement was made of the combustion calorie, sulfur content, water content, density, ash, ash melting temperature, etc. Survey was also conducted on drilling conditions/methods for coal mines in the periphery, roads for coal transportation, barge loading ports, etc. The results of the survey are as follows. The thickness of the minable main coal seam is 2.1-2.9m, and the inclination angle is 40-42 degrees. Specimens from coal seams indicate low ash, low sulfur content and high combustion calorie. The estimated coal reserves are 7,730,000 tons, and they total 15,300,000 tons including those from other coal seams. In the development by the 100m-width longwall mining which was proposed, it is possible to produce 130,000 tons/year for more than 20 years. (NEDO)

  8. MODFLOW-2000 model scenarios simulating proposed groundwater pumpage near Monocks Corner, South Carolina: U.S. Geological Survey data release

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — An existing three-dimensional model (MODFLOW-2000) by Petkewich and Campbell was modified to simulate potential changes in groundwater-level conditions caused by...

  9. IRIS Chirp Seismic-Reflection Profile JPEG Images Collected in Apalachicola Bay on U.S. Geological Survey Cruise 06001

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Apalachicola Bay and St. George Sound contain the largest oyster fishery in Florida, and the growth and distribution of the numerous oyster reefs here are the...

  10. Archive of Geosample Information from the Geological Survey of Canada Atlantic (GSC A) Marine Geoscience Curation Facility

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The Geological Survey of Canada Atlantic (GSC A) Marine Geoscience Curation Facility contributed information on 40,428 cores, grabs, and dredges in their holdings to...

  11. Watersheds for U.S Geological Survey National Stream Quality Accounting Network (NASQAN) sampling sites 1996-2000.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — A digital representation of the watersheds of 43 sites on large river systems sampled by the National Stream Quality Accounting Network (NASQAN) of the U. S....

  12. Water-resources activities of the U.S. Geological Survey in Montana, October 1993 through September 1995

    Science.gov (United States)

    Harksen, C. J.; Midtlyng, Karen S.

    1995-01-01

    Water-resources programs and activities of the U.S. Geological Survey in Montana consist principally of hydrologic-data collection and investigative studies that address water-resource issues. The work is supported by direct Federal funding, by transfer of funds from other Federal agencies, and by joint funding agreements with State or local agencies. The Montana District of the Geological Survey's Water Resources Division conducts its hydrologic work through a District Office in Helena and Field Headquarters in Helena, Billings, Kalispell, and Fort Peck. Thirty-two projects currently are being conducted. As outlined in this report, these projects are operated under the general categories of data-collection programs and investigative studies. This report describes the projects funded for fiscal years 1994 and 1995. The report also describes the operations of the Montana District, general hydrology of Montana, activities in addition to regular programs, and sources of publications and information. It also lists reports published or released during the preceding 5 years.

  13. Water-resources activities of the U.S. Geological Survey in Montana, October 1991 through September 1993

    Science.gov (United States)

    Midtlyng, K. S.; Harksen, C.J.

    1993-01-01

    Water-resources programs and activities of the U.S. Geological Survey in Montana consist principally of hydrologic-data collection and investigative studies that address water-resource issues. The work is supported by direct Federal funding, by transfer of funds from other Federal agencies, and by joint funding agreements with State or local agencies. The Montana District of the Geological Survey's Water Resources Division conducts its hydrologic work through a District Office in Helena, and Field Headquarters in Helena, Billings, Fort Peck, and Kalispell. Twenty-seven projects are being con- ducted. As outlined in this report, these projects are operated under the general categories of data- collection programs and investigative studies. This report describes the projects funded for fiscal years 1992 and 1993. hi addition, it describes the operations of the Montana District, hydrologic conditions during water year 1992, activities in addition to regular programs, and sources of publications and information. It also lists reports published or released during the preceding 5 years.

  14. State Geological Survey Contributions to the National Geothermal Data System- Final Technical Report

    Energy Technology Data Exchange (ETDEWEB)

    Allison, M. Lee [Executive Office of the State of Arizona, Tuczon (AZGS), AZ (United States).; Richard, Stephen M. [Executive Office of the State of Arizona, Tuczon (AZGS), AZ (United States).

    2015-03-13

    The State Geological Survey Contributions to the National Geothermal Data System project is built on the work of the project managed by Boise State University to design and build the National Geothermal Data System, by deploying it nationwide and populating it with data principally from State Geological Surveys through collaboration with the Association of American State Geologists (AASG). This project subsequently incorporated the results of the design-build and other DOE-funded projects in support of the NGDS. The NGDS (www.geothermaldata.org) provides free open access to millions of data records, images, maps, and reports, sharing relevant geoscience, production, and land use data in 30+ categories to propel geothermal development and production in the U.S. NGDS currently serves information gathered from hundreds of the U.S. Department of Energy sponsored development and research projects and geologic data feeds from 60+ data providers throughout all 50 states. These data are relevant to geothermal energy exploration and development, but also have broad applicability in other areas including natural resources (e.g., energy, minerals, water), natural hazards, and land use and management.

  15. Preliminary geologic investigation of the Apollo 12 landing site: Part A: Geology of the Apollo 12 Landing Site

    Science.gov (United States)

    Shoemaker, E.M.; Batson, R.M.; Bean, A.L.; Conrad, C.; Dahlem, D.H.; Goddard, E.N.; Hait, M.H.; Larson, K.B.; Schaber, G.G.; Schleicher, D.L.; Sutton, R.L.; Swann, G.A.; Waters, A.C.

    1970-01-01

    This report provides a preliminary description of the geologic setting of the lunar samples returned fromt he Apollo 12 mission. A more complete interpretation of the geology of the site will be prepared after thorough analysis of the data.

  16. ENVIRONMENTAL GEOLOGY

    Institute of Scientific and Technical Information of China (English)

    2016-01-01

    20160639Cai Wutian(Center for Hydrogeology a nd Environmental Geology Survey,China Geological Survey,Baoding071051,China)Several Issues on Contaminated Sites(Hydrogeology and Engineering Geology,ISSN1000-3665,CN11-2202/P,42(1),2015,p.123

  17. ECONOMIC GEOLOGY

    Institute of Scientific and Technical Information of China (English)

    2016-01-01

    20160938Gao Xiaowei(Wuhan Center of Geo-logical Survey,China Geological Survey,Wuhan 430223,China);Wu Xiurong Two Types of Terrain and Regional Mineralization in Sumatra,Indonesia(Geological Bulletin of China,ISSN1671-2552,CN11-4648/P,34

  18. Fledermaus Scene combining three 150-meter bathymetry grids from U.S. Geological Survey cruises 02051, 03008 and 03032 surveyed in 2002 and 2003 in the region of the Puerto Rico Trench

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2002 and 2003, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the National Oceanic and Atmospheric...

  19. Text files of the navigation logged with HYPACK Software during survey 2010-004-FA conducted in Buzzards Bay and Vineyard Sound by the U.S. Geological Survey offshore of Massachusetts in 2010.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  20. Text files of the navigation logged with HYPACK Software during survey 2009-002-FA conducted in Buzzards Bay and Vineyard Sound by the U.S. Geological Survey offshore of Massachusetts in 2009.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  1. Shot points at 500 shot intervals for EdgeTech 512i chirp seismic-reflection data collected by the U.S. Geological Survey in the Cape Ann - Salisbury Beach, MA survey area (SEISMICSHOT_500, Geographic, WGS84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey, Coastal and...

  2. Survey lines along which Klein 3000 sidescan-sonar data were collected in Buzzards Bay by the U.S. Geological Survey offshore of Massachusetts in 2009, 2010, and 2011 (BB_BackscatterTracklines Esri Polyline Shapefile, Geographic, WGS84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  3. Survey lines along which SEABed Observation and Sampling System (SEABOSS) video were collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeabossTrackline shapefile, Geographic, WGS84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  4. Survey lines along which Klein 3000 sidescan-sonar data were collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_KleinTrackline shapefile, Geographic, WGS84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  5. Fledermaus Scene combining three 150-meter bathymetry grids from U.S. Geological Survey cruises 02051, 03008 and 03032 surveyed in 2002 and 2003 in the region of the Puerto Rico Trench

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2002 and 2003, the U.S. Geological Survey (USGS), Woods Hole Coastal and Marine Science Center (WHCMSC), in cooperation with the National Oceanic and Atmospheric...

  6. Text files of the navigation logged with Microsoft HyperTerminal during sampling survey 07003 conducted aboard the R/V Connecticut by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SAMPLING_NAV)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  7. Survey lines along which Klein 3000 sidescan-sonar data were collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_KleinTrackline shapefile, Geographic, WGS84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  8. Text files of the navigation logged with HYPACK Software during survey 2011-004-FA conducted in Buzzards Bay and Vineyard Sound by the U.S. Geological Survey offshore of Massachusetts in 2011.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  9. Survey lines along which Klein 3000 sidescan-sonar data were collected in Buzzards Bay by the U.S. Geological Survey offshore of Massachusetts in 2009, 2010, and 2011 (BB_BackscatterTracklines Esri Polyline Shapefile, Geographic, WGS84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  10. Text files of the navigation logged with HYPACK Software during surveys 07002, and 08002 conducted by the U.S. Geological Survey offshore of Massachusetts within northern Cape Cod Bay (CCB_Hypack_Nav)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  11. Text files of the navigation logged with HYPACK Software during survey 2010-004-FA conducted in Buzzards Bay and Vineyard Sound by the U.S. Geological Survey offshore of Massachusetts in 2010.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  12. Text files of the navigation logged with HYPACK Software during survey 2009-002-FA conducted in Buzzards Bay and Vineyard Sound by the U.S. Geological Survey offshore of Massachusetts in 2009.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement between the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  13. Text files of the navigation logged with HYPACK Software during surveys 06012 and 07001 conducted by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_HYPACK_NAV)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  14. Survey lines along which SEABed Observation and Sampling System (SEABOSS) video were collected by the U.S. Geological Survey offshore of Massachusetts between Duxbury and Hull (DH_SeabossTrackline shapefile, Geographic, WGS84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS),...

  15. Bibliography of Oklahoma hydrology; reports prepared by the U.S. Geological Survey and principal cooperating agencies, 1901-93

    Science.gov (United States)

    Havens, J. S.

    1993-01-01

    This bibliography lists reports on hydrology in Oklahoma prepared by the U.S. Geological Survey and the principal State cooperating agencies, the Oklahoma Geological Survey and the Oklahoma Water Resources Board. Included are citations of about 550 reports, abstracts, and journal articles issued from 1901 through July 1993. The reports are listed by agency and report type, and are indexed by author, subject, and USGS report number.

  16. Engineering-geological and geotechnical investigations for risk assessment of the University Olympic Village in Izmir (Turkey)

    Science.gov (United States)

    Kincal, Cem; Koca, Mehmet Yalçin; Yilmaz, H. Recep; Akgün, Mustafa; Özyalin, Şenol; Eskişar, Tuǧba; Akçiǧ, Zafer; van Loon, A. J. Tom

    2010-04-01

    The Metropolitan Municipality of Izmir (Turkey) designated a steeply inclined area for the construction of buildings to house the participants of the Izmir University Olympic Games. Before the construction activities could start, engineering geological and geotechnical investigations had to be carried out in order to establish which zones in the area were suitable for safe constructions. Seismic studies, borings and laboratory tests yielded the data, which were used for preparing five hazard maps in a GIS environment. The construction activities based on the results of this complex investigation appeared successful. The engineering geological investigations included geotechnical measurements on core samples obtained from the boreholes (core drilling) and laboratory testing. The rock-quality designation (RQD%) values of the rock units were determined and used in the rock-mass classification (rock-mass rating method) as an input parameter and in the calculation of the bearing capacity of the various rock units. Geophysical surveys were carried out to determine the seismic velocity of the rocks at the site. A short overview is provided of the main problems that had to be dealt with, and of the successive steps taken to solve the engineering-geological problems. Determination of these problems is necessary for adequate land-use planning and construction activities.

  17. Prediction of the Vistula Channel Development Between Wloclawek and Torun: Evaluation with Regard to the New Geological Survey

    Directory of Open Access Journals (Sweden)

    Babiński Zygmunt

    2014-09-01

    Full Text Available The aim of this paper is to present the geological structure of the Vistula river valley floor as the modifying factor of fluvial processes and present the development conditions of the contemporary Vistula river channel, which underwent marked transformation due to bed erosion and lateral erosion below the Włocławek reservoir. The analysis of the geological data and the geological survey conducted at the study reach of the Vistula between Włocławek and Toruń resulted in an image of the geological structure of the channel bed along the longitudinal profile

  18. Investigation of a landslide in the new site of Badong County by integrated geophysical survey

    Institute of Scientific and Technical Information of China (English)

    2001-01-01

    An integrated geophysical survey which combines vertical seismicprofile method, shallow reflection seismic method, electric sounding, soil temperature measurement and radioactive gas measurement was used to investigate Zhaoshuling landslide in the new site of Badong County and to assess the stability of the landslide. By rational use of these methods together with borehole geological profile and other geological information, the spatial distribution of the landslide body, the formations and structures within and without the landslide body were determined and the stability of the landslide was also assessed, thus making great contribution to the successful and rational investigation and assessment of the landslide.

  19. US Geological Survey research on the environmental fate of uranium mining and milling wastes

    Science.gov (United States)

    Landa, E.R.; Gray, J.R.

    1995-01-01

    Studies by the US Geological Survey (USGS) of uranium mill tailings (UMT) have focused on characterizing the forms in which radionuclides are retained and identifying factors influencing the release of radionuclides to air and water. Selective extraction studies and studies of radionuclide sorption by and leaching from components of UMT showed alkaline earth sulfate and hydrous ferric oxides to be important hosts of radium-226 (226Ra) in UMT. Extrapolating from studies of barite dissolution in anerobic lake sediments, the leaching of 226Ra from UMT by sulfate-reducing bacteria was investigated; a marked increase in 226Ra release to aqueous solution as compared to sterile controls was demonstrated. A similar action of iron(III)-reducing bacteria was later shown. Ion exchangers such as clay minerals can also promote the dissolution of host-phase minerals and thereby influence the fate of radionuclides such as 226Ra. Radon release studies examined particle size and ore composition as variables. Aggregation of UMT particles was shown to mask the higher emanating fraction of finer particles. Studies of various ores and ore components showed that UMT cannot be assumed to have the same radon-release characteristics as their precursor ores, nor can 226Ra retained by various substrates be assumed to emanate the same fraction of radon. Over the last decade, USGS research directed at offsite mobility of radionuclides from uranium mining and milling processes has focused on six areas: the Midnite Mine in Washington; Ralston Creek and Reservoir, Colorado; sites near Canon City, Colorado; the Monument Valley District of Arizona and Utah; the Cameron District of Arizona; and the Puerco River basin of Arizona and New Mexico.

  20. US Geological Survey research on the environmental fate of uranium mining and milling wastes

    Science.gov (United States)

    Landa, E. R.; Gray, J. R.

    1995-07-01

    Studies by the US Geological Survey (USGS) of uranium mill tailings (UMT) have focused on characterizing the forms in which radionuclides are retained and identifying factors influencing the release of radionuclides to air and water. Selective extraction studies and studies of radionuclide sorption by and leaching from components of UMT showed alkaline earth sulfate and hydrous ferric oxides to be important hosts of radium-226 (226Ra) in UMT. Extrapolating from studies of barite dissolution in anerobic lake sediments, the leaching of226Ra from UMT by sulfate-reducing bacteria was investigated; a marked increase in226Ra release to aqueous solution as compared to sterile controls was demonstrated. A similar action of iron(III)-reducing bacteria was later shown. Ion exchangers such as clay minerals can also promote the dissolution of host-phase minerals and thereby influence the fate of radionuclides such as226Ra. Radon release studies examined particle size and ore composition as variables. Aggregation of UMT particles was shown to mask the higher emanating fraction of finer particles. Studies of various ores and ore components showed that UMT cannot be assumed to have the same radon-release characteristics as their precursor ores, nor can226Ra retained by various substrates be assumed to emanate the same fraction of radon. Over the last decade, USGS research directed at offsite mobility of radionuclides from uranium mining and milling processes has focused on six areas: the Midnite Mine in Washington; Ralston Creek and Reservoir, Colorado; sites near Canon City, Colorado; the Monument Valley District of Arizona and Utah; the Cameron District of Arizona; and the Puerco River basin of Arizona and New Mexico.

  1. U.S. Geological Survey Emerging Applications of Unmanned Aircraft Systems

    Science.gov (United States)

    Hutt, M. E.

    2012-12-01

    In anticipation of transforming the research methods and resource management techniques employed across the Department of the Interior, the U.S. Geological Survey (USGS) Unmanned Aircraft Systems (UAS) Project Office is conducting missions using small UAS- sUAS platforms (logistically difficult, cost prohibitive or technically impossible to obtain consistent, reliable, timely information. USGS is teaming with the Department of the Interior Aviation Management Directorate to ensure the safe and cost effective adoption of UAS technology. While the USGS is concentrating on operating sUAS, the immense value of increased flight time and more robust sensor capabilities available on larger platforms cannot be ignored. We are partnering with several groups including the Department of Homeland Security, National Aeronautics and Space Administration, Department of Defense, and National Oceanic and Atmospheric Administration for access to data collected from their fleet of high altitude, long endurance (HALE) UAS. The HALE systems include state of the art sensors including Electro-Optical, Thermal Infrared and Synthetic Aperture Radar (SAR). The data being collected by High Altitude, Long Endurance (HALE) systems is can be routinely shared in near real time at several DOI- USGS locations. Analysis tools are becoming available that can produce a robust set of products including a geo-referenced base for value added investigations. Much like the use of global positioning systems, unmanned aircraft systems have the potential of enabling us to be better stewards of the land. We are actively working to develop applications of the traditional full motion video capabilities and are engaged in developing additional sensor capabilities for sUAS including- magnetometers, temperature, radio telemetry, chemical and biological gas detection, and gimbal mounted "photogrammetric" cameras.

  2. Engineering geological and geophysical investigations for road construction in the municipality of Sisimiut, West Greenland

    DEFF Research Database (Denmark)

    2007-01-01

    on engineering geological investigations in the Sisimiut area. Geophysical investigations show that presence of permafrost is widespread, and our results indicate that the vertical thickness of the permafrost may reach 20 m. Further climate warming in the near future will impose high demands on design...

  3. Integrated geophysical and geological investigations applied to sedimentary rock mass characterization

    Directory of Open Access Journals (Sweden)

    S. Negri

    2008-06-01

    Full Text Available The Salento Peninsula (south-eastern Italy is characterized by sedimentary rocks. The carbonatic nature of the rocks means they are affected by karst phenomena, forming such features as sinkholes, collapsed dolines and caverns, as a result of chemical leaching of carbonates by percolating water. The instability of these phenomena often produces land subsidence problems. The importance of these events is increasing due to growing urbanization, numerous quarries affecting both the subsoil and the surface, and an important coastline characterized by cliffs. This paper focuses on geological and geophysical methods for the characterization of soft sedimentary rock, and presents the results of a study carried out in an urban area of Salento. Taking the Q system derived by Barton (2002 as the starting point for the rock mass classification, a new approach and a modification of the Barton method are proposed. The new equation proposed for the classification of sedimentary rock mass (Qsrm takes account of the permeability of the rock masses, the geometry of the exposed rock face and their types (for example, quarry face, coastal cliff or cavity, the nature of the lithotypes that constitute the exposed sequence, and their structure and texture. This study revises the correlation between Vp and Q derived by Barton (2002, deriving a new empirical equation correlating P-wave velocities and Qsrm values in soft sedimentary rock. We also present a case history in which stratigraphical surveys, Electrical Resistivity Tomography (ERT, and seismic surveys were applied to in situ investigations of subsidence phenomena in an urban area to estimate rock mass quality. Our work shows that in the analysis of ground safety it is important to establish the rock mass quality of the subsurface structures; geophysical exploration can thus play a key role in the assessment of subsidence risk.

  4. Uranium resource assessment by the Geological Survey; methodology and plan to update the national resource base

    Science.gov (United States)

    Finch, Warren Irvin; McCammon, Richard B.

    1987-01-01

    Based on the Memorandum of Understanding {MOU) of September 20, 1984, between the U.S. Geological Survey of the U.S. Department of Interior and the Energy Information Administration {EIA) of the U.S. Department of Energy {DOE), the U.S. Geological Survey began to make estimates of the undiscovered uranium endowment of selected areas of the United States in 1985. A modified NURE {National Uranium Resource Evaluation) method will be used in place of the standard NURE method of the DOE that was used for the national assessment reported in October 1980. The modified method, here named the 'deposit-size-frequency' {DSF) method, is presented for the first time, and calculations by the two methods are compared using an illustrative example based on preliminary estimates for the first area to be evaluated under the MOU. The results demonstrate that the estimate of the endowment using the DSF method is significantly larger and more uncertain than the estimate obtained by the NURE method. We believe that the DSF method produces a more realistic estimate because the principal factor estimated in the endowment equation is disaggregated into more parts and is more closely tied to specific geologic knowledge than by the NURE method. The DSF method consists of modifying the standard NURE estimation equation, U=AxFxTxG, by replacing the factors FxT by a single factor that represents the tonnage for the total number of deposits in all size classes. Use of the DSF method requires that the size frequency of deposits in a known or control area has been established and that the relation of the size-frequency distribution of deposits to probable controlling geologic factors has been determined. Using these relations, the principal scientist {PS) first estimates the number and range of size classes and then, for each size class, estimates the lower limit, most likely value, and upper limit of the numbers of deposits in the favorable area. Once these probable estimates have been refined

  5. The U.S. Geological Survey coal quality (COALQUAL) database version 3.0

    Science.gov (United States)

    Palmer, Curtis A.; Oman, Charles L.; Park, Andy J.; Luppens, James A.

    2015-12-21

    Since the mid-1970s, the U.S. Geological Survey (USGS) has maintained a coal quality database of national scope named USCHEM, which currently contains data for over 13,000 samples. A subset of the USCHEM database called COALQUAL Version 1.3 was initially published in 1994 and was followed by Version 2.0 in 1997. Version 3.0 of the COALQUAL database represents a major editing effort to resolve some of the DOS software limitations used by earlier versions of the database.

  6. Urban development and stream ecosystem health—Science capabilities of the U.S. Geological Survey

    Science.gov (United States)

    Reilly, Pamela A.; Szabo, Zoltan; Coles, James F.

    2016-04-29

    Urban development creates multiple stressors that can degrade stream ecosystems by changing stream hydrology, water quality, and physical habitat. Contaminants, habitat destruction, and increasing streamflow variability resulting from urban development have been associated with the disruption of biological communities, particularly the loss of sensitive aquatic biota. Understanding how algal, invertebrate, and fish communities respond to these physical and chemical stressors can provide important clues as to how streams should be managed to protect stream ecosystems as a watershed becomes increasingly urbanized. The U.S. Geological Survey continues to lead monitoring efforts and scientific studies on the effects of urban development on stream ecosystems in metropolitan areas across the United States.

  7. Urban hydrology—Science capabilities of the U.S. Geological Survey

    Science.gov (United States)

    Bell, Joseph M.; Simonson, Amy E.; Fisher, Irene J.

    2016-04-29

    Urbanization affects streamflow characteristics, coastal flooding, and groundwater recharge. Increasing impervious areas, streamflow diversions, and groundwater pumpage are some of the ways that the natural water cycle is affected by urbanization. Assessment of the relations among these factors and changes in land use helps water-resource managers with issues such as stormwater management and vulnerability to flood and drought. Scientists with the U.S. Geological Survey (USGS) have the expertise to monitor and model urban hydrologic systems. Streamflow and groundwater data are available in national databases, and analyses of these data, including identification of long-term streamflow trends and the efficacy of management practices, are published in USGS reports.

  8. Geologic investigations

    Energy Technology Data Exchange (ETDEWEB)

    Orkild, P.P. [Geological Survey, Denver, CO (USA); Baldwin, M.J.; Townsend, D.R. [Fenix and Scisson, Inc., Mercury, NV (USA)

    1983-12-31

    The Climax stock is a composite granitic intrusive of Cretaceous age, composed of quartz monzonite and granodiorite, which intrudes rocks of Paleozoic and Precambrian age. Tertiary volcanic rocks, consisting of ash-flow and ash-fall tuffs, and tuffaceous sedimentary rocks overlie the sedimentary rocks and the stock. Erosion has removed much of the Tertiary volcanic rocks. Hydrothermal alteration of quartz monzonite and granodiorite is found mainly along joints and faults and varies from location to location. The Paleozoic carbonate rocks have been thermally and metasomatically altered to marble and tactite as much as 457 m (1500 ft) from the contact with the stock, although minor discontinuous metasomatic effects are noted in all rocks out to 914 m (3000 ft). Three major faults which define the Climax area structurally are the Tippinip, Boundary and Yucca faults. North of the junction of the Boundary and Yucca faults, the faults are collectively referred to as the Butte fault. The dominant joint sets and their average attitudes are N 32{degrees} W, 22{degrees} NE; N 60{degrees} W, vertical and N 35{degrees} E, vertical. Joints in outcrop are weathered and generally open, but in subsurface, the joints are commonly filled and healed with secondary minerals. 12 refs., 6 figs., 1 tab.

  9. Shot point navigation at even 500 shot intervals for EdgeTech SB-512i chirp seismic-reflection data collected by the U.S. Geological Survey offshore of Massachusetts within Vineyard Sound by the U.S. Geological Survey in 2009, 2010, and 2011 (VS_SeismicShot_500, ESRI Point Shapefile, Geographic, WGS84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  10. Shot point navigation at even 500 shot intervals for EdgeTech SB-512i chirp seismic-reflection data collected by the U.S. Geological Survey offshore of Massachusetts within Vineyard Sound by the U.S. Geological Survey in 2009, 2010, and 2011 (VS_SeismicShot_500, ESRI Point Shapefile, Geographic, WGS84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — These data were collected under a cooperative agreement with the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS), Coastal...

  11. Present state, basic theories, methods and progresses of investigation and assessment on marine hazardous geology in China

    Institute of Scientific and Technical Information of China (English)

    Li Peiying; Li Ping; Liu Lejun; Du Jun; Zhang Xiaolong; Wang Shengji

    2003-01-01

    The achievement progresses of investigation and studies on marine hazardous geology are summarized and presentsd in the late 20 century in China. The importance, research value and presentday studies of marine hazardous geology, a newly developing branch of geoscience, are well expatiated.Several often confused concepts and theories are explained and redefined here. The comment on the means of investigations, assessment of marine hazardous geology, as well as its evolution, innovation,existing questions and future tasks are also introduced and presented. The concepts of "hazard geology","geohazard", "map of marine hazard geology", "integrated evaluaton on seafloor stablity" are respectively discussed, including their definition, research objects, methods and contents. The types and classification of marine hazardous geology, principles and methods of marine hazardous geology map compilation, the assessment methods and models of marine hazardous geology environment and seafloor stability and so on are also discussed.

  12. Geological survey business team-building in new situation%新形势下地质调查业务团队建设研究

    Institute of Scientific and Technical Information of China (English)

    张宇; 单勇起

    2015-01-01

    The geological survey situational changes continuously,the business team become the geological investigation situation,problem solving geological work,have a significant effective talent team construction measures of the scientific and technological achievements.In this paper,in the early stage of the typical business team,on the basis of empirical research,combining with the characteristics of geological survey work,analyzed the current significance to strengthen the construction of geological survey business team.Summarizes the factors influencing the geological survey of the construction of the business team performance,the main problem,put forward Suggestions on the classification of geological survey business team,as well as in the aspect of post setting,merit pay policy tilt and science evaluation was carried out on the team improve the level of geology survey business team performance measures.%当前,地质调查态势不断发生变化,地质调查业务团队集体式研究的模式将成为地质调查工作重要业务领域突破和创新的有力人才与技术支撑。本文在前期典型业务团队实证研究的基础上,结合地质调查工作特点,分析了当前加强地质调查业务团队建设的意义,总结了影响地质调查业务团队建设的绩效因素、主要问题,提出了地质调查业务团队分类建议,以及在岗位设置、绩效工资方面予以政策倾斜、对团队进行科学评价等提高地质调查业务团队绩效水平的措施建议。

  13. 浅析如何做好地质测量工作%How to Do Well the Geological Survey Work

    Institute of Scientific and Technical Information of China (English)

    赵智明

    2012-01-01

    Geological survey is the basic work of mineral geological surveys, hydrological geological survey, monitoring and evaluation of geological hazards. Combined with many years of work experience on geological survey of the author, this article introduces how to efficiently carry out geological survey work from the preparatory work of the geological survey, measurement and data processing and other ways.%地质测量是矿产地质调查、水文地质勘察、地质灾害监测评估等的基础性工作.本文结合笔者多年从地质测量工作的经验,从地质测量的准备工作、实测与数据整理等方面介绍了如何高效开展地质测量工作.

  14. National Archive of Marine Seismic Surveys (NAMSS): U.S. Geological Survey Program to Provide new Access to Proprietary Data

    Science.gov (United States)

    Childs, J. R.; Hart, P. E.

    2004-12-01

    Marine seismic reflection profile data originally acquired for purposes of offshore oil and gas exploration and development within the United States Exclusive Economic Zone represent a national scientific resource of inestimable value. Although the commercial value of these data has diminished due to technological advances and offshore development moratoria, the value to current and future scientific endeavors continues to be very high. Recently, commercial owners (including WesternGeco and ChevronTexaco) of large data holdings offshore the eastern, western, and Alaskan coasts of the United States have offered to transfer over 200,000 line kilometers of two-dimensional data (vintage 1970 to 1985) to the public domain. Recognizing the value of these data, the U.S. Geological Survey in co-operation with the Institute for Crustal Studies at UCSB, the Incorporated Research Institutions for Seismology, and the American Geological Institute) is promoting efforts to safeguard on behalf of the research community and the nation any data that may otherwise be lost, and to ensure free and open access to that data. To achieve these goals, the USGS has developed a National Archive of Marine Seismic Surveys (NAMSS). Work is underway to organize and reformat digital data currently stored on obsolete media, primarily nine-track tapes. The NAMSS web site below has further information on the project, including trackline maps of surveys that will soon be publicly available. The ultimate objective is the establishment of a data repository accessible through an on-line database, with graphical and text-based search and retrieval interface.

  15. USE OF NATURAL WATERS AS U. S. GEOLOGICAL SURVEY REFERENCE SAMPLES.

    Science.gov (United States)

    Janzer, Victor J.

    1985-01-01

    The U. S. Geological Survey conducts research and collects hydrologic data relating to the Nation's water resources. Seven types of natural matrix reference water samples are prepared for use in the Survey's quality assurance program. These include samples containing major constituents, trace metals, nutrients, herbicides, insecticides, trace metals in a water and suspended-sediment mixture, and precipitation (snowmelt). To prepare these reference samples, natural water is collected in plastic drums and the sediment is allowed to settle. The water is then filtered, selected constituents are added, and if necessary the water is acidified and sterilized by ultraviolet irradiation before bottling in plastic or glass. These reference samples are distributed twice yearly to more than 100 laboratories for chemical analysis. The most probable values for each constituent are determined by evaluating the data submitted by the laboratories using statistical techniques recommended by ASTM.

  16. U.S. Geological Survey: A synopsis of Three-dimensional Modeling

    Science.gov (United States)

    Jacobsen, Linda J.; Glynn, Pierre D.; Phelps, Geoff A.; Orndorff, Randall C.; Bawden, Gerald W.; Grauch, V.J.S.

    2011-01-01

    The U.S. Geological Survey (USGS) is a multidisciplinary agency that provides assessments of natural resources (geological, hydrological, biological), the disturbances that affect those resources, and the disturbances that affect the built environment, natural landscapes, and human society. Until now, USGS map products have been generated and distributed primarily as 2-D maps, occasionally providing cross sections or overlays, but rarely allowing the ability to characterize and understand 3-D systems, how they change over time (4-D), and how they interact. And yet, technological advances in monitoring natural resources and the environment, the ever-increasing diversity of information needed for holistic assessments, and the intrinsic 3-D/4-D nature of the information obtained increases our need to generate, verify, analyze, interpret, confirm, store, and distribute its scientific information and products using 3-D/4-D visualization, analysis, modeling tools, and information frameworks. Today, USGS scientists use 3-D/4-D tools to (1) visualize and interpret geological information, (2) verify the data, and (3) verify their interpretations and models. 3-D/4-D visualization can be a powerful quality control tool in the analysis of large, multidimensional data sets. USGS scientists use 3-D/4-D technology for 3-D surface (i.e., 2.5-D) visualization as well as for 3-D volumetric analyses. Examples of geological mapping in 3-D include characterization of the subsurface for resource assessments, such as aquifer characterization in the central United States, and for input into process models, such as seismic hazards in the western United States.

  17. U.S. Geological Survey Science at the Intersection of Health and Environment

    Science.gov (United States)

    Kimball, S. M.; Plumlee, G. S.

    2016-12-01

    People worldwide worry about how their environment affects their health, and expect scientists to help address these concerns. The OneHealth concept recognizes the crucial linkages between environment, human health, and health of other organisms. Many US Geological Survey science activities directly examine or help inform how the Earth and the environment influence toxicological and infectious diseases. Key is our ability to bring to bear a collective expertise in environmental processes, geology, hydrology, hazards, microbiology, analytical chemistry, ecosystems, energy/mineral resources, geospatial technologies, and other disciplines. Our science examines sources, environmental transport and fate, biological effects, and human exposure pathways of many microbial (e.g. bacteria, protozoans, viruses, fungi), inorganic (e.g. asbestos, arsenic, lead, mercury) and organic (e.g. algal toxins, pesticides, pharmaceuticals) contaminants from geologic, anthropogenic, and disaster sources. We develop new laboratory, experimental, and field methods to analyze, model, and map contaminants, to determine their baseline and natural background levels, and to measure their biological effects. We examine the origins, environmental persistence, wildlife effects, and potential for transmission to humans of pathogens that cause zoonotic or vector-borne diseases (e.g., avian influenza or West Nile virus). Collaborations with human health scientists from many organizations are essential. For example, our work with epidemiologists and toxicologists helps understand the exposure pathways and roles of geologically sourced toxicants such as arsenic (via drinking water) and asbestos (via dusts) in cancer. Work with pulmonologists and pathologists helps clarify the sources and fate of inhaled mineral particles in lungs. Wildlife health scientists help human health scientists assess animals as sentinels of human disease. Such transdisciplinary science is essential at the intersection of health

  18. Geological, geochemical, and geophysical survey of the geothermal resources at Hot Springs Bay Valley, Akutan Island, Alaska

    Energy Technology Data Exchange (ETDEWEB)

    Motyka, R.J.; Wescott, E.M.; Turner, D.L.; Swanson, S.E.; Romick, J.D.; Moorman, M.A.; Poreda, R.J.; Witte, W.; Petzinger, B.; Allely, R.D.

    1985-01-01

    An extensive survey was conducted of the geothermal resource potential of Hot Springs Bay Valley on Akutan Island. A topographic base map was constructed, geologic mapping, geophysical and geochemical surveys were conducted, and the thermal waters and fumarolic gases were analyzed for major and minor element species and stable isotope composition. (ACR)

  19. Comparison of Railway Geological Investigation with Highway Geological Investigation%铁路与高速公路地质勘察对比

    Institute of Scientific and Technical Information of China (English)

    陈伟

    2013-01-01

    Research purposes: At present, the highway and railway constructions are booming. They both belong to transportation project, but they follow the different professional standards, so they have different working ways for the engineering geological invetisgation. In practice, it is easy to cause the confusion to make error. To discuss their geological investigation works is helpful for guiding the engineering investigation and exchanging the data. Research conclusions: (1) In dividing the investigation stage, they are almost the same, but the highway engineering geological investigation focuses on the preliminary investigation and detailed investigation, while the railway geological investigation focuses on the preliminary investigation, location investigation and supplemental locational investigation. (2) The qualitative description is used for the surrounding rock classification of the railway tunnel along with the multiple indicator quantitative evaluation, while the quantitative evaluation - based multiple parameters method is used for the highway tunnel. Their results have a little gap. ( 3 ) There are gaps in discrimination of the unfavorable geological conditions and special rock soil , such as sand liquefaction and expansive soils. (4)There are gaps in soil classification, such as the classifications of the boundaries gravel soil particle size, the clayey soil plasticity state and the soft soil. (5) There are big gaps in evaluation of the water and soil corrosions.%研究目的:目前高速公路与铁路蓬勃发展.两者均为线路工程,但由于所执行的行业规范不同,工程地质勘察中存在一些不同做法,实际工作时易引起地质人员混淆,造成失误.对两者勘察工作进行探讨有利于指导工程勘察与成果资料的交流使用.研究结论:(1)勘察阶段划分相近,高速公路工程地质勘察侧重于初勘、详勘,铁路勘察侧重于初测、定测、补定测三阶段勘察;(2)铁路隧道围岩分级

  20. U.S. Geological Survey Studies of Energy Resources in Sub-Saharan Africa

    Science.gov (United States)

    ,

    1997-01-01

    The U.S. Government and the American public need access to information on energy resources in sub-Saharan Africa.Sub-Saharan Africa (mostly Nigeria) produces 5 percent of the world's oil, while supplying the United States with 15 percent of our imports (Energy Information Administration). In the next 10 years, sub-Saharan oil and gas will become increasingly more important to the export market. New discoveries in offshore provinces of West Africa ensure a bright future for the region. Projections indicate that increased oil production in sub-Saharan Africa will far outpace the growth of intraregional consumption, providing greater quantities of oil for export (Forman, 1996). Also, West Africa, although a marginal supplier of liquefied natural gas (LNG) today, will become an important LNG source to the international market by the year 2000 (Oil & Gas Journal, 1996). The United States needs up-to-date information about petroleum resources and the energy balance within the region to predict the future role of sub-Saharan Africa as a major oil and gas exporter. The data required to generate the needed information are often disseminated in archives of oil companies and African geologic surveys, or in obscure publications. For these reasons, the U.S. Geological Survey is collecting data on sub-Saharan energy and constructing a regional energy bibliography. The team of geoscientists will assure that this information is available quickly and from a scientifically based, objective view point.

  1. MOSAIC8 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  2. MOSAIC2 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  3. MOSAIC9 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  4. MOSAIC3 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  5. Surficial Sediment Data Collected During U.S. Geological Survey (USGS) Cruise R/V RAFAEL 2012-002-FA in H12296 Study Area in Block Island Sound (2012-002_296SEDDATA.SHP, Geographic, WGS 84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal...

  6. Surficial Sediment Data Collected During U.S. Geological Survey (USGS) Cruise R/V RAFAEL 2010-033 in Rhode Island Sound (2010-033_996SEDDATA.SHP)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal...

  7. Shot points at 500 shot intervals for chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (seismic_sht_07007.shp, points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  8. Location of Sea-Floor Photographs Acquired During U.S. Geological Survey (USGS) Cruise 2012-002-FA in Block Island Sound (2012-002_023BOTPHOTOS shapefile, Geographic)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the...

  9. MOSAIC1 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  10. Location of Sea-Floor Photographs Acquired During U.S. Geological Survey (USGS) Cruise 2012-002-FA in Block Island Sound (2012-002_296BOTPHOTOS shapefile, Geographic, WGS 84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal...

  11. MOSAIC8 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  12. MOSAIC7 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  13. Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (MOSAIC_06015, UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  14. Shot points at 500 shot intervals for chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (seismic_sht_06015.shp, points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  15. Hillshaded relief produced from bathymetric data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006-2007 (BATHY_HILLSH.ASC, ESRI ASCII GRID)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  16. MOSAIC5 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  17. Shot points at 500 shot intervals for chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (seismic_sht_07007.shp, points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  18. MOSAIC3 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  19. MOSAIC6 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  20. MOSAIC1 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  1. MOSAIC9 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  2. Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (MOSAIC_07007, UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  3. MOSAIC2 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  4. MOSAIC4 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  5. Surficial Sediment Data Collected During U.S. Geological Survey (USGS) Cruise R/V RAFAEL 2012-002-FA in H12023 Study Area in Block Island Sound (2012-002_023SEDDATA.SHP)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal...

  6. Surficial Sediment Data Collected During U.S. Geological Survey (USGS) Cruise R/V RAFAEL 2011-006-FA in Rhode Island Sound (2011-006_995SEDDATA.SHP)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal...

  7. seismic_sht_06015.shp - Shot points at 500 shot intervals for chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  8. MOSAIC_06015 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  9. MOSAIC4 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  10. Shot points at 500 shot intervals for chirp seismic-reflection data collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (seismic_sht_06015.shp, points)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  11. 2013-005-FA_HYPACK: Text Files of the DGPS Navigation Logged with HYPACK Software on U.S. Geological Survey Cruise 2013-005-FA from June 17 to June 20, 2013

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA), is producing detailed geologic maps of the coastal...

  12. Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2006 (MOSAIC_06015, UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  13. MOSAIC7 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  14. Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (MOSAIC_07007, UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  15. MOSAIC5 - Composite sidescan-sonar mosaic collected by the U.S. Geological Survey offshore of the Chandeleur Islands, LA, 2007 (UTM Zone 16N GeoTIFF)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 2006 and 2007, the U.S. Geological Survey, in partnership with Louisiana Department of Natural Resources and the University of New Orleans, conducted geologic...

  16. Reflection point navigation for Multi-channel streamer seismic-reflection profiles collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA, 2014

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological...

  17. Sediment Sample Locations Collected in May 2014 from Barnegat Bay, New Jersey (U.S. Geological Survey Field Activity Number 2014-310-FA)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Barnegat Bay, located along the eastern shore of New Jersey, was significantly impacted by Hurricane Sandy in October 2012. Scientists from the U.S. Geological...

  18. Trackline navigation for Multi-channel streamer seismic-reflection profiles collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA, 2014

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological...

  19. PNG formatted images of Multi-channel streamer seismic-reflection profiles collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA, 2014

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological...

  20. Trackline navigation for Swath interferometric data collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA, 2014 (Esri polyline shapefile, GCS WGS 84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological...

  1. Barnegat Bay surface and subsurface sediment physical parameters data from May 2014 (U.S. Geological Survey Field Activity Number 2014-310-FA)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Barnegat Bay, located along the eastern shore of New Jersey, was significantly impacted by Hurricane Sandy in October 2012. Scientists from the U.S. Geological...

  2. Gamma spectroscopy data for box core sediments collected from Barnegat Bay, New Jersey in May 2014 (U.S. Geological Survey Field Activity Number 2014-310-FA)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Barnegat Bay, located along the eastern shore of New Jersey, was significantly impacted by Hurricane Sandy in October 2012. Scientists from the U.S. Geological...

  3. Reflection point navigation for Multi-channel streamer seismic-reflection profiles collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA, 2014

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological...

  4. Trackline navigation for Swath interferometric data collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA, 2014 (Esri polyline shapefile, GCS WGS 84)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological...

  5. Barnegat Bay surface and subsurface sediment physical parameters data from May 2014 (U.S. Geological Survey Field Activity Number 2014-310-FA)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Barnegat Bay, located along the eastern shore of New Jersey, was significantly impacted by Hurricane Sandy in October 2012. Scientists from the U.S. Geological...

  6. Sediment Sample Locations Collected in May 2014 from Barnegat Bay, New Jersey (U.S. Geological Survey Field Activity Number 2014-310-FA)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — Barnegat Bay, located along the eastern shore of New Jersey, was significantly impacted by Hurricane Sandy in October 2012. Scientists from the U.S. Geological...

  7. PNG formatted images of Multi-channel streamer seismic-reflection profiles collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA, 2014

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological...

  8. Forensic geoscience: applications of geology, geomorphology and geophysics to criminal investigations

    Science.gov (United States)

    Ruffell, Alastair; McKinley, Jennifer

    2005-03-01

    One hundred years ago Georg Popp became the first scientist to present in court a case where the geological makeup of soils was used to secure a criminal conviction. Subsequently there have been significant advances in the theory and practice of forensic geoscience: many of them subsequent to the seminal publication of "Forensic Geology" by Murray and Tedrow [Murray, R., Tedrow, J.C.F. 1975 (republished 1986). Forensic Geology: Earth Sciences and Criminal Investigation. Rutgers University Press, New York, 240 pp.]. Our review places historical development in the modern context of how the allied disciplines of geology (mineralogy, sedimentology, microscopy), geophysics, soil science, microbiology, anthropology and geomorphology have been used as tool to aid forensic (domestic, serious, terrorist and international) crime investigations. The latter half of this paper uses the concept of scales of investigation, from large-scale landforms through to microscopic particles as a method of categorising the large number of geoscience applications to criminal investigation. Forensic geoscience has traditionally used established non-forensic techniques: 100 years after Popp's seminal work, research into forensic geoscience is beginning to lead, as opposed to follow other scientific disciplines.

  9. Investigating the Use of a Digital Library in an Inquiry-Based Undergraduate Geology Course

    Science.gov (United States)

    Apedoe, Xornam S.

    2007-01-01

    This paper reports the findings of a qualitative research study designed to investigate the opportunities and obstacles presented by a digital library for supporting teaching and learning in an inquiry-based undergraduate geology course. Data for this study included classroom observations and field-notes of classroom practices, questionnaires, and…

  10. Assessment of the fused image of multispectral and panchromatic images of SPOT5 in the investigation of geological hazards

    Institute of Scientific and Technical Information of China (English)

    2008-01-01

    The investigated area in this paper is located on the northern mountain in Guangzhou City.It is characterized by high relief and inaccessibility.Multispectral and pan Images of SPOT5 were used as the remote sensing data source,and high-pass filtering(HPF),Brovery transform(BT),intensity-hue-saturation(IHS),principal component analysis(PCA) and the modified IHS(MIHS) methods were adopted for image fusion.Here,a comparison has been made between the entire fused images and the original multispectral images.Subjective evaluation and objective evaluation(entropy,average gradient,correlation coefficient,distribution of gray) have been adopted to assess the quality of the fused images.Also regional geological survey has been taken to find the interpretation veracity.Results show that the MIHS is the best image fusion method for geological hazards interpretation,and the fused image can provide abundant textural and spectral information for easy interpretation of such geological hazards as collapse,landslip,and debris flow.

  11. Cerro Negro field, Venezuela: geological images from a high resolution 3-D survey

    Energy Technology Data Exchange (ETDEWEB)

    Woller, Kevin L. [Mobil Technology Co. (WEC)

    1999-07-01

    Following a pilot 3-D survey, Petrolera Cerro Negro acquired and processed a 3-D dynamite survey over the Cerro Negro Field in Venezuela. We designed the survey to achieve high frequency imaging at the relatively shallow (< 1000 m) objectives in the Morichal formation. The data exhibits usable frequencies in the 10-120 Hz range after migration. The results of the survey have satisfied the original objective of imaging the faults and basement structure in the field. Use of continuity measurements on the data has resulted in a photographic quality image of the faults at the basement level. The pattern of the faults indicates an unexpected degree of complexity, indicating a richer structural history than originally thought. The continuity data also shows depositional details in the Morichal, which in accordance with geological history of the area. The operatorship is currently in the process of drilling many horizontal development wells. The patterns of the wells bores and variations in the rock types present a challenge to the usage of the 3-D seismic. The operatorship is working to raise the understanding and utility of the seismic data to another plateau. (author)

  12. Indoor radon, geogenic radon surrogates and geology - Investigations on their correlation.

    Science.gov (United States)

    Friedmann, H; Baumgartner, A; Bernreiter, M; Gräser, J; Gruber, V; Kabrt, F; Kaineder, H; Maringer, F J; Ringer, W; Seidel, C; Wurm, G

    2017-01-01

    The indoor radon concentration was measured in most houses in a couple of municipalities in Austria. At the same time the activity concentration of radium in soil, the soil gas radon concentration, the permeability of the ground and the ambient dose equivalent rate were also measured and the geological situations (geological units) were recorded too. From the indoor radon concentration and different house and living parameters a radon potential (Austrian radon potential) was derived which should represent the radon concentration in a standard room. Another radon potential (Neznal radon potential) was calculated from the soil gas radon concentration and the permeability. The aim of the investigation was to correlate all the different variables and to test if the use of surrogate data (e.g. geological information, ambient dose equivalent rate, etc.) can be used to judge the radon risk for an area without performing numerous indoor measurements.

  13. Twenty-Sixth Annual Report of the Director of the United States Geological Survey, 1904-1905

    Science.gov (United States)

    Walcott, Charles D.

    1905-01-01

    gravity canals, or for various other purposes, and attention was also given to the character of the soils and of the water to be used upon them, the materials used in the construction of the works, and numerous other details incident to reclamation by irrigation.Coal-testing plantUnder two special appropriations of \\$30,000 each, carried by the urgent deficiency bill approved February 18, 1904, and the general deficiency bill approved April 27, 1904, the Director of the Geological Survey was authorized to construct and operate at the Louisiana Purchase Exposition a plant for testing the coals and lignites of the United States, in order to determine their fuel values and the most economic method of their utilization for different purposes, it being provided that all testing machinery and all coals and lignites to be tested 'should be contributed free of charge to the Government. For carrying out the provisions of these acts the Director appointed a committee, consisting of Edward W. Parker, Joseph A. Holmes, and Marius R. Campbell, to direct the construction and operation of the plant. This committee received the heartiest cooperation from the manufacturers of such equipment as was needed for the installation of the plant, from the railroad companies in freight concessions and transportation for the experts and their assistants, and from the coal operators in the furnishing of coal in carload lots for testing purposes. Although the utmost expedition was used in the construction of the plant, it was not until the first of September that the testing work actually began. Between the first of September and the close of the exposition 65 carload samples of coal for testing purposes were received, and the results of the investigation were published in a preliminary report issued as Geological Survey Bulletin No. 261. The coals tested were received from 17 States and Territories, and much valuable information regarding the best uses to which the different coals may be put was

  14. 2016 Military Investigation and Justice Experience Survey: Overview Report

    Science.gov (United States)

    2017-05-01

    not research involving human subjects according to Department of Defense Instruction 3216.02. Military Investigation and Justice Experience Survey...2016 Military Investigation and Justice Experience Survey (MIJES) Overview Report Additional copies of this report may be obtained from...dtic/order.html Ask for report by DTIC # OPA Report No. 2017-003 March 2017 2016 MILITARY INVESTIGATION AND JUSTICE EXPERIENCE SURVEY (MIJES

  15. Information and informatics in a geological survey - the good, the bad and the ugly

    Science.gov (United States)

    Jackson, I.

    2008-12-01

    It is apparent that the most successful geological surveys (as measured by the only true Key Performance Indicator - their effectiveness in serving their societies) have recognised that, while their core business is making maps and models and doing scientific research to underpin that, the commodity they actually deal in is data and information and knowledge. They know that in a digital world the better they organise the data and information and knowledge, the more successful they will be. In our future world, where e-science will surely dominate, some are already sub-titling themselves as information or knowledge exchange organisations. There seems an unarguable correlation between surveys which organise their information well and those that run their projects well, their agility in responding to government agendas or national emergencies, and flexibility in delivering products their diverse users want. Look deeper and you can see the pivotal role of best practice information management and the tangible benefits a responsible approach to acquiring, storing and delivering information brings. But even in these (most successful) surveys the people leading information management will tell you that it was a gargantuan battle to get the resources to achieve this success and that, even with the downstream fruits of the investment in professional information management and informatics now obvious, it is a continuing struggle to maintain a decent level of funding for these tasks. It is not hard to see why; the struggle is innately one-sided; geoscientists are born and/or trained to be curious, to be independent and to innovate. If the choice is between more research and survey, or a professional approach to information/informatics and the adjudicators are geoscientists, it is not difficult to pick the winner. So what does lie behind a successful approach to information in a geological survey organisation? First, recognise that poor information management cannot just be

  16. A case study of the road slope investigation by the helicopter-borne geophysical exploration for engineering geology

    Science.gov (United States)

    Ito, Y.; Anan, S.; Okazaki, K.

    2010-12-01

    In recent years, many case studies with the investigation by the helicopter-borne electromagnetic method; HEM and the helicopter-borne magnetic method; HMG are reported in Japan. Both methods are suitable methods to acquire the three-dimensional information to evaluate geological features properties of the underground in promptly and over the wide area. The authors describe the applicability on the civil engineering geology fields of both methods through the confirming results of the correspondence another geological investigation results to evaluate the geological structures in the underground of road slopes situated along the coast in the east part of Hokkaido, Japan. The investigated sites were road slopes where surface collapses were caused in the past time. The geological features of the investigated site were clarified as the Neocene mudstone, fine-grained sandstone, tuffs, conglomerates and terrace deposit by the results of the geological survey. The height of the road slopes are above the sea 60m or more, and a smooth terrace spreads out their backwards. The authors carried out HEM, frequency domain, and the HMG. In addition, vertical electric soundings and the electric conductance such as the stream water of neighborhood were measured for the calibration of the resistivity by HEM and confirmation of the resistivity distribution sallow part of the site ground. As the results of HEM, the apparent resistivity distribution is high in a shallow part, and low in the depth overall. The change in resistivity distribution was thought to be caused corresponding to the difference of the rock type on this site. In general, the specimen resistivity is the order of conglomerate, sandstone, mudstone for sedimentary rocks of this site. The change in resistivity distribution was also thought to be corresponding to the moisture states balance. The resistivity is high in the unsaturated zone of shallow part, and low in the saturation zone of the deep part. As for this, the

  17. Application of VSP to geological investigation; P ha oyobi S ha VSP wo mochiita shinso chishitsu chosa

    Energy Technology Data Exchange (ETDEWEB)

    Kinugasa, Y. [Geological Survey of Japan, Tsukuba (Japan); Feng, S.; Sugiyama, T.; Ishikawa, K. [Chuoh Kaihatsu Corp., Tokyo (Japan)

    1997-05-27

    Discussed in this paper are the P-wave and S-wave zero-offset VSPs carried out utilizing boreholes located in Nada Ward, Kobe City, and Hokudan-cho, Hyogo Prefecture, as part of the deep layer boring survey following Hanshin Earthquake Disaster. This effort aims at the elucidation of P-wave and S-wave velocity structures, high-precision identification of data obtained by the surface reflection method, and collection of basic data for active faults investigation in the future. Among the velocity structures obtained for various layers, the S-wave velocity structures in particular agree with the stratigraphy excellently and may be utilized in seismic analyses to be conducted in the future. Reflection from geological boundaries is received with precision, providing accurate information about correlation between reflection and geological cross sections. The records will be useful in formulating plans for reflection surveys for instance of the boundary between the Osaka group and Kobe group. Generally speaking, reflection coefficients are large when the reflection is from a boundary where difference is great in elastic wave impedance (mainly difference in velocity). In the case of the boundary between the Kobe group and granite in Awaji Island, however, no strong reflection is found despite the great difference in velocity. This is attributed to the complicated, sharp inclination of the basement rock and to its weathering. 4 refs., 8 figs.

  18. Hurricane Ike: Field Investigation Survey (Invited)

    Science.gov (United States)

    Ewing, L.

    2009-12-01

    Hurricane Ike made landfall at 2:10 a.m. on September 13, 2008, as a Category 2 hurricane. The eye of the hurricane crossed over the eastern end of Galveston Island and a large region of the Texas and Louisiana coast experienced extreme winds, waves and water levels, resulting in large impacts from overtopping, overwash, wind and wave forces and flooding. Major damage stretched from Freeport to the southwest and to Port Arthur to the northeast. The effects of the hurricane force winds were felt well inland in Texas and Louisiana and the storm continued to the interior of the US, causing more damage and loss of life. Through the support of the Coasts, Oceans, Ports and Rivers Institute (COPRI) of the American Society of Civil Engineers (ASCE) a team of 14 coastal scientists and engineers inspected the upper Texas coast in early October 2008. The COPRI team surveyed Hurricane Ike’s effects on coastal landforms, structures, marinas, shore protection systems, and other infrastructure. Damages ranges from very minor to complete destruction, depending upon location and elevation. Bolivar Peninsula, to the right of the hurricane path, experienced severe damage and three peninsula communities were completely destroyed. Significant flood and wave damage also was observed in Galveston Island and Brazoria County that were both on the left side of the hurricane path. Beach erosion and prominent overwash fans were observed throughout much of the field investigation area. The post-storm damage survey served to confirm expected performance under extreme conditions, as well as to evaluate recent development trends and conditions unique to each storm. Hurricane Ike confirmed many previously reported observations. One of the main conclusions from the inspection of buildings was that elevation was a key determinant for survival. Elevation is also a major factor in the stability and effectiveness of shore protection. The Galveston Seawall was high enough to provide protection from

  19. MATHEMATICAL GEOLOGY

    Institute of Scientific and Technical Information of China (English)

    2014-01-01

    <正>20142560Hu Hongxia(Regional Geological and Mineral Resources Survey of Jilin Province,Changchun 130022,China);Dai Lixia Application of GIS Map Projection Transformation in Geological Work(Jilin Geology,ISSN1001-2427,CN22-1099/P,32(4),2013,p.160-163,4illus.,2refs.)

  20. ECONOMIC GEOLOGY

    Institute of Scientific and Technical Information of China (English)

    2015-01-01

    20150901Dai Chuangu(Guizhou Academy of Geologic Survey,Guiyang550005,China);Zheng Qiqian Geological Background Study of Metallogenic in Haixi-Yanshan Tectonic Cycle in Guizhou Province(Guizhou Geology,ISSN1000-5943,CN52-1059/P,31(2),2014,p.82-88,3illus.,2tables,13refs.)Key words:metallogenesis,metallogenic area,

  1. U.S. Geological Survey Science for the Wyoming Landscape Conservation Initiative-2009 Annual Report

    Science.gov (United States)

    Bowen, Z.H.; Aldridge, C.L.; Anderson, P.J.; Assal, T.J.; Biewick, L.R.H.; Blecker, S.W.; Bristol, S.; Carr, N.B.; Chalfoun, A.D.; Chong, G.W.; Diffendorfer, J.E.; Fedy, B.C.; Garman, S.L.; Germaine, S.; Grauch, R.I.; Holloway, J.; Homer, C.; Kauffman, M.J.; Keinath, D.; Latysh, N.; Manier, D.; McDougal, R.R.; Melcher, C.P.; Miller, K.A.; Montag, J.; Nutt, C.J.; Potter, C.J.; Sawyer, H.; Schell, S.; Shafer, S.L.; Smith, D.B.; Stillings, L.L.; Tuttle, M.; Wilson, A.B.

    2010-01-01

    This is the second report produced by the U.S. Geological Survey (USGS) for the Wyoming Landscape Conservation Initiative (WLCI) to detail annual work activities. The first report described work activities for 2007 and 2008; this report covers work activities conducted in 2009. Important differences between the two reports are that (1) this report does not lump all the Effectiveness Monitoring activities together as last year's report did, which will allow WLCI partners and other readers to fully appreciate the scope and accomplishments of those activities, and (2) this report does not include a comprehensive appendix of the background details for each work activity. In 2009, there were 29 ongoing or completed activities, and there were 5 new work activities conducted under the 5 original major multi-disciplinary science and technical assistance activities: (1) Baseline Synthesis; (2) Targeted Monitoring and Research; (3) Data and Information Management; (4) Integration and Coordination; and (5) Decisionmaking and Evaluation. New work included (1) developing a soil-quality index, (2) developing methods for assessing levels of and relationships between mercury and soil organic matter, and (3) ascertaining element source, mobility, and fate. Additionally, (4) remotely sensed imagery was used to assess vegetation as an indicator of soil condition and geology, and (5) an Integrated Assessment (IA) was initiated to synthesize what has been learned about WLCI systems to date, and to develop associated decision tools, maps, and a comprehensive report.

  2. Recent developments in uranium exploration using the U.S. geological survey's mobile helium detector

    Science.gov (United States)

    Reimer, G.M.; Denton, E.H.; Friedman, I.; Otton, J.K.

    1979-01-01

    A mobile mass spectrometer to measure He concentrations has been developed by the U.S. Geological Survey. This instrument has been tested in areas of known uranium deposits, and He anomalies have been found in both soil gas and water. A gas sample is collected in a hypodermic syringe, injected into the spectrometer, and analyzed for He. Over 100 analyses a day can be performed with a sensitivity of 10 parts per billion (ppb). One detailed study conducted in Weld County, Colorado, shows that values for He in soil gas can be contoured to outline an anomalous area and that the anomaly is displaced from the deposit in the direction of groundwater flow. Other studies include the Schwartzwalder uranium mine, Jefferson County, Colorado, where He anomalies may be related to geologic structure; near Ambrosia Lake, New Mexico, where the location of He anomalies are related to groundwater movement; and tests for diurnal effects showing only slight variations probably related to soil-moisture content. ?? 1979.

  3. Geological investigations of the sites of lithothamnian limestone in the area between Brezno and Savinja

    Directory of Open Access Journals (Sweden)

    Ivan Strgar

    2003-12-01

    Full Text Available In the area between Brezno and Savinja, detailed geological investigations and geological prospecting of ten lithothamnian limestone deposits were carried out according to the program of investigations in 1991 and 1992. Those sites were:• In the north, partly in the extraction area of former Laško colliery, with deposits Brezno – Bezoviški hrib, west of Gornje Brezno, between Gornje Brezno and Govce, Govškihrib, Trnov hrib, between Liša shaft and Barbara level, between Barbara level and Konjušnica, Brdo and Podšmihel. Western sites lie in the area belonging to the Hrastnik Municipality, but mostly in the area belonging to the La{ko Municipality• In the south the area of Turski les, which belongs to the Hrastnik MunicipalityThe objective of the investigations was to establish reserves and resources of lithothamnian limestone for the purposes of construction industry. The limestone should be extracted according to a special program of substitutional activities after the Laško minewill be closed. In the area Brezno – Brezoviški hrib detailed geological investigations were made, while in other nine areas only geological prospecting and assessment of the resources of lithothamnian limestone were carried out.Each of the investigated areas was assessed from the point of view of natural and economic indicators, such as: quantity of reserves and resources of lithothamnian limestone with preliminary evaluation of quality, usability, access and urban parts, possible impactson narrow and wide surroundings, environment and usability of rock and aggregate.The results of the investigations pointed out three deposits as potentially interesting and perspective: between the Barbara shaft and Konju{nica, Brdo and Turski les. Other deposits were classified either as deposits with limited reserves and resources of lithothamnian limestone, or as non-perspective due to different limitations.

  4. Resistivity and Surface Wave Seismic Surveys in Geotechnical Site Investigations

    OpenAIRE

    Wisén, Roger

    2005-01-01

    The adaptation of geophysical methods for civil engineering purposes represents an important contribution to the development of geotechnical site investigation methodology. The term geotechnical site investigation here refers to all investigations performed prior to or during construction; i.e. investigations to support and refine a conceptual geological model as well as to provide a model of geotechnical design parameters. At any stage in the site investigation process, geophysical methods p...

  5. Strategic plan for science-U.S. Geological Survey, Ohio Water Science Center, 2010-15

    Science.gov (United States)

    ,

    2010-01-01

    This Science Plan identifies specific scientific and technical programmatic issues of current importance to Ohio and the Nation. An examination of those issues yielded a set of five major focus areas with associated science goals and strategies that the Ohio Water Science Center will emphasize in its program during 2010-15. A primary goal of the Science Plan is to establish a relevant multidisciplinary scientific and technical program that generates high-quality products that meet or exceed the expectations of our partners while supporting the goals and initiatives of the U.S. Geological Survey. The Science Plan will be used to set the direction of new and existing programs and will influence future training and hiring decisions by the Ohio Water Science Center.

  6. Fractal Location and Anomalous Diffusion Dynamics for Oil Wells from the KY Geological Survey

    CERN Document Server

    Andrew, Keith; Andrew, Kevin A

    2009-01-01

    Utilizing data available from the Kentucky Geonet (KYGeonet.ky.gov) the fossil fuel mining locations created by the Kentucky Geological Survey geo-locating oil and gas wells are mapped using ESRI ArcGIS in Kentucky single plain 1602 ft projection. This data was then exported into a spreadsheet showing latitude and longitude for each point to be used for modeling at different scales to determine the fractal dimension of the set. Following the porosity and diffusivity studies of Tarafdar and Roy1 we extract fractal dimensions of the fossil fuel mining locations and search for evidence of scaling laws for the set of deposits. The Levy index is used to determine a match to a statistical mechanically motivated generalized probability function for the wells. This probability distribution corresponds to a solution of a dynamical anomalous diffusion equation of fractional order that describes the Levy paths which can be solved in the diffusion limit by the Fox H function ansatz.

  7. A user interface for the Kansas Geological Survey slug test model.

    Science.gov (United States)

    Esling, Steven P; Keller, John E

    2009-01-01

    The Kansas Geological Survey (KGS) developed a semianalytical solution for slug tests that incorporates the effects of partial penetration, anisotropy, and the presence of variable conductivity well skins. The solution can simulate either confined or unconfined conditions. The original model, written in FORTRAN, has a text-based interface with rigid input requirements and limited output options. We re-created the main routine for the KGS model as a Visual Basic macro that runs in most versions of Microsoft Excel and built a simple-to-use Excel spreadsheet interface that automatically displays the graphical results of the test. A comparison of the output from the original FORTRAN code to that of the new Excel spreadsheet version for three cases produced identical results.

  8. The U.S. Geological Survey Monthly Water Balance Model Futures Portal

    Science.gov (United States)

    Bock, Andy

    2017-03-16

    Simulations of future climate suggest profiles of temperature and precipitation may differ significantly from those in the past. These changes in climate will likely lead to changes in the hydrologic cycle. As such, natural resource managers are in need of tools that can provide estimates of key components of the hydrologic cycle, uncertainty associated with the estimates, and limitations associated with the climate forcing data used to estimate these components. To help address this need, the U.S. Geological Survey Monthly Water Balance Model Futures Portal (https://my.usgs.gov/mows/) provides a user friendly interface to deliver hydrologic and meteorological variables for monthly historic and potential future climatic conditions across the continental United States.

  9. Energy and Minerals Science at the U.S. Geological Survey

    Science.gov (United States)

    Ferrero, Richard C.; Kolak, Jonathan J.; Bills, Donald J.; Bowen, Zachary H.; Cordier, Daniel J.; Gallegos, Tanya J.; Hein, James R.; Kelley, Karen D.; Nelson, Philip H.; Nuccio, Vito F.; Schmidt, Jeanine M.; Seal, Robert R., II

    2013-01-01

    The economy, national security, and standard of living of the United States depend on adequate and reliable supplies of energy and mineral resources. Based on population and consumption trends, the Nation’s and World’s use of energy and minerals is expected to grow, driving the demand for scientific understanding of resource formation, location, and availability. The importance of environmental stewardship and human health in sustainable growth emphasizes the need for a broader understanding of energy and mineral resources. The U.S. Geological Survey (USGS) is a world leader in conducting research needed to address these challenges and to provide a scientific foundation for policy and decisionmaking with respect to resource use, sustainability, environmental protection, and an adaptive resource management approach.

  10. Cyanobacterial harmful algal blooms and U.S. Geological Survey science capabilities

    Science.gov (United States)

    Graham, Jennifer L.; Dubrovsky, Neil M.; Eberts, Sandra M.

    2016-09-29

    Cyanobacterial harmful algal blooms (CyanoHABs) are increasingly a global concern because CyanoHABs pose a threat to human and aquatic ecosystem health and cause economic damages. Despite advances in scientific understanding of cyanobacteria and associated compounds, many unanswered questions remain about occurrence, environmental triggers for toxicity, and the ability to predict the timing, duration, and toxicity of CyanoHABs. U.S. Geological Survey (USGS) scientists are leading a diverse range of studies to address CyanoHAB issues in water bodies throughout the United States, using a combination of traditional methods and emerging technologies, and in collaboration with numerous partners. By providing practical applications of cutting edge CyanoHAB research, USGS studies have advanced scientific understanding, enabling the development of approaches to help protect ecological and human health.

  11. United States Geological Survey fire science: fire danger monitoring and forecasting

    Science.gov (United States)

    Eidenshink, Jeff C.; Howard, Stephen M.

    2012-01-01

    Each day, the U.S. Geological Survey produces 7-day forecasts for all Federal lands of the distributions of number of ignitions, number of fires above a given size, and conditional probabilities of fires growing larger than a specified size. The large fire probability map is an estimate of the likelihood that ignitions will become large fires. The large fire forecast map is a probability estimate of the number of fires on federal lands exceeding 100 acres in the forthcoming week. The ignition forecast map is a probability estimate of the number of fires on Federal land greater than 1 acre in the forthcoming week. The extreme event forecast is the probability estimate of the number of fires on Federal land that may exceed 5,000 acres in the forthcoming week.

  12. Description of the U.S. Geological Survey Geo Data Portal data integration framework

    Science.gov (United States)

    Blodgett, David L.; Booth, Nathaniel L.; Kunicki, Thomas C.; Walker, Jordan I.; Lucido, Jessica M.

    2012-01-01

    The U.S. Geological Survey has developed an open-standard data integration framework for working efficiently and effectively with large collections of climate and other geoscience data. A web interface accesses catalog datasets to find data services. Data resources can then be rendered for mapping and dataset metadata are derived directly from these web services. Algorithm configuration and information needed to retrieve data for processing are passed to a server where all large-volume data access and manipulation takes place. The data integration strategy described here was implemented by leveraging existing free and open source software. Details of the software used are omitted; rather, emphasis is placed on how open-standard web services and data encodings can be used in an architecture that integrates common geographic and atmospheric data.

  13. Radiochemical analyses of surface water from U.S. Geological Survey hydrologic bench-mark stations

    Science.gov (United States)

    Janzer, V.J.; Saindon, L.G.

    1972-01-01

    The U.S. Geological Survey's program for collecting and analyzing surface-water samples for radiochemical constituents at hydrologic bench-mark stations is described. Analytical methods used during the study are described briefly and data obtained from 55 of the network stations in the United States during the period from 1967 to 1971 are given in tabular form.Concentration values are reported for dissolved uranium, radium, gross alpha and gross beta radioactivity. Values are also given for suspended gross alpha radioactivity in terms of natural uranium. Suspended gross beta radioactivity is expressed both as the equilibrium mixture of strontium-90/yttrium-90 and as cesium-137.Other physical parameters reported which describe the samples include the concentrations of dissolved and suspended solids, the water temperature and stream discharge at the time of the sample collection.

  14. U.S. Geological Survey Methodology Development for Ecological Carbon Assessment and Monitoring

    Science.gov (United States)

    Zhu, Zhi-Liang; Stackpoole, S.M.

    2009-01-01

    Ecological carbon sequestration refers to transfer and storage of atmospheric carbon in vegetation, soils, and aquatic environments to help offset the net increase from carbon emissions. Understanding capacities, associated opportunities, and risks of vegetated ecosystems to sequester carbon provides science information to support formulation of policies governing climate change mitigation, adaptation, and land-management strategies. Section 712 of the Energy Independence and Security Act (EISA) of 2007 mandates the Department of the Interior to develop a methodology and assess the capacity of our nation's ecosystems for ecological carbon sequestration and greenhouse gas (GHG) flux mitigation. The U.S. Geological Survey (USGS) LandCarbon Project is responding to the Department of Interior's request to develop a methodology that meets specific EISA requirements.

  15. U.S. Geological Survey Chesapeake Bay Studies: Scientific Solutions for a Healthy Bay and Watershed

    Science.gov (United States)

    Phillips, Scott

    2006-01-01

    The U.S. Geological Survey (USGS), the science agency for the Department of Interior (DOI), has the critical role of providing objective science to document and understand ecosystem change in the Chesapeake Bay and its watershed. The human population in the Bay watershed, which grew from 8.1 million in 1950 to almost 16 million in 2000, has resulted in degraded water quality, loss of habitat, and declines in fish and bird populations. USGS scientists are leaders in understanding cause and effect of human activities and natural changes on water quality and the health of the ecosystem. The USGS interacts with resource managers and policy makers to use the science to adapt approaches for implementation, and assess effectiveness of, management actions for ecosystem conservation, restoration, and sustainability.

  16. Water-quality sampling by the U.S. Geological Survey-Standard protocols and procedures

    Science.gov (United States)

    Wilde, Franceska D.

    2010-01-01

    Thumbnail of and link to report PDF (1.0 MB) The U.S. Geological Survey (USGS) develops the sampling procedures and collects the data necessary for the accurate assessment and wise management of our Nation's surface-water and groundwater resources. Federal and State agencies, water-resource regulators and managers, and many organizations and interested parties in the public and private sectors depend on the reliability, timeliness, and integrity of the data we collect and the scientific soundness and impartiality of our data assessments and analysis. The standard data-collection methods uniformly used by USGS water-quality personnel are peer reviewed, kept up-to-date, and published in the National Field Manual for the Collection of Water-Quality Data (http://pubs.water.usgs.gov/twri9A/).

  17. myScience—Engaging the public in U.S. Geological Survey science

    Science.gov (United States)

    Holl, Sally

    2015-10-19

    myScience (http://txpub.usgs.gov/myscience/) is a Web application developed by the U.S. Geological Survey (USGS) Texas Water Science Center through a partnership with the USGS Community for Data Integration to address the need for increasing public awareness and participation in existing USGS citizen science projects. The myScience application contains data for 20 projects available for public participation representing all USGS mission areas. A visitor to the USGS education Web site (http://education.usgs.gov/) can click on the Citizen Science link to search for citizen science projects by topic or location, select a project of interest, and click “Get Involved.” Within the USGS, an internal version of myScience serves to build a community of practice and knowledge sharing among scientists who lead or would like to lead a crowdsourcing project.

  18. U.S. Geological Survey Combined Well-Bore Flow and Depth-Dependent Water Sampler

    Science.gov (United States)

    Izbicki, John A.; Christensen, Allen H.; Hanson, Randall T.; Martin, Peter; Crawford, Steven M.; Smith, Gregory A.

    1999-01-01

    The U.S. Geological Survey has developed a combined well-bore flow and depth-dependent sample collection tool. It is suitable for use in existing production wells having limited access and clearances as small as 1 inch. The combination of well-bore flow and depth-dependent water-quality data is especially effective in assessing changes in aquifer properties and water quality with depth. These are direct measures of changes in well yield and ground-water quality with depth under actual operating conditions. Combinations of other geophysical tools capable of making these measurements, such as vertical-axis current meters used with wire-line samplers, are commercially available but these tools are large and can not easily enter existing production wells.

  19. Simulation of cylindrical flow to a well using the U.S. Geological Survey Modular Finite-Difference Ground-Water Flow Model

    Science.gov (United States)

    Reilly, Thomas E.; Harbaugh, Arlen W.

    1993-01-01

    Cylindrical (axisymmetric) flow to a well is an important specialized topic of ground-water hydraulics and has been applied by many investigators to determine aquifer properties and determine heads and flows in the vicinity of the well. A recent modification to the U.S. Geological Survey Modular Three-Dimensional Finite-Difference Ground-Water Flow Model provides the opportunity to simulate axisymmetric flow to a well. The theory involves the conceptualization of a system of concentric shells that are capable of reproducing the large variations in gradient in the vicinity of the well by decreasing their area in the direction of the well. The computer program presented serves as a preprocessor to the U.S. Geological Survey model by creating the input data file needed to implement the axisymmetric conceptualization. Data input requirements to this preprocessor are described, and a comparison with a known analytical solution indicates that the model functions appropriately.

  20. Investigations into near-real-time surveying for geophysical data collection using an autonomous ground vehicle

    Science.gov (United States)

    Phelps, Geoffrey A.; Ippolito, C.; Lee, R.; Spritzer, R.; Yeh, Y.

    2014-01-01

    The U.S. Geological Survey and the National Aeronautics and Space Administration are cooperatively investigating the utility of unmanned vehicles for near-real-time autonomous surveys of geophysical data collection. Initially focused on unmanned ground vehicle collection of magnetic data, this cooperative effort has brought unmanned surveying, precision guidance, near-real-time communication, on-the-fly data processing, and near-real-time data interpretation into the realm of ground geophysical surveying, all of which offer advantages over current methods of manned collection of ground magnetic data. An unmanned ground vehicle mission has demonstrated that these vehicles can successfully complete missions to collect geophysical data, and add advantages in data collection, processing, and interpretation. We view the current experiment as an initial phase in further unmanned vehicle data-collection missions, including aerial surveying.

  1. Methods of practice and guidelines for using survey-grade global navigation satellite systems (GNSS) to establish vertical datum in the United States Geological Survey

    Science.gov (United States)

    Rydlund, Paul H.; Densmore, Brenda K.

    2012-01-01

    Geodetic surveys have evolved through the years to the use of survey-grade (centimeter level) global positioning to perpetuate and post-process vertical datum. The U.S. Geological Survey (USGS) uses Global Navigation Satellite Systems (GNSS) technology to monitor natural hazards, ensure geospatial control for climate and land use change, and gather data necessary for investigative studies related to water, the environment, energy, and ecosystems. Vertical datum is fundamental to a variety of these integrated earth sciences. Essentially GNSS surveys provide a three-dimensional position x, y, and z as a function of the North American Datum of 1983 ellipsoid and the most current hybrid geoid model. A GNSS survey may be approached with post-processed positioning for static observations related to a single point or network, or involve real-time corrections to provide positioning "on-the-fly." Field equipment required to facilitate GNSS surveys range from a single receiver, with a power source for static positioning, to an additional receiver or network communicated by radio or cellular for real-time positioning. A real-time approach in its most common form may be described as a roving receiver augmented by a single-base station receiver, known as a single-base real-time (RT) survey. More efficient real-time methods involving a Real-Time Network (RTN) permit the use of only one roving receiver that is augmented to a network of fixed receivers commonly known as Continually Operating Reference Stations (CORS). A post-processed approach in its most common form involves static data collection at a single point. Data are most commonly post-processed through a universally accepted utility maintained by the National Geodetic Survey (NGS), known as the Online Position User Service (OPUS). More complex post-processed methods involve static observations among a network of additional receivers collecting static data at known benchmarks. Both classifications provide users

  2. Text files of the navigation logged with HYPACK Software during survey 2014-002-FA conducted along the Delmarva Peninsula, MD and VA by the U.S. Geological Survey in 2014.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological...

  3. Text files of the navigation logged with HYPACK Software during survey 2014-002-FA conducted along the Delmarva Peninsula, MD and VA by the U.S. Geological Survey in 2014.

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological...

  4. An Experimental Investigation of the Risk of Triggering Geological Disasters by Injection under Shear Stress

    Science.gov (United States)

    Liu, Yixin; Xu, Jiang; Peng, Shoujian

    2016-12-01

    Fluid injection has been applied in many fields, such as hazardous waste deep well injection, forced circulation in geothermal fields, hydraulic fracturing, and CO2 geological storage. However, current research mainly focuses on geological data statistics and the dominating effects of pore pressure. There are only a few laboratory-conditioned studies on the role of drilling boreholes and the effect of injection pressure on the borehole wall. Through experimental phenomenology, this study examines the risk of triggering geological disasters by fluid injection under shear stress. We developed a new direct shear test apparatus, coupled Hydro-Mechanical (HM), to investigate mechanical property variations when an intact rock experienced step drilling borehole, fluid injection, and fluid pressure acting on the borehole and fracture wall. We tested the peak shear stress of sandstone under different experimental conditions, which showed that drilling borehole, water injection, and increased pore pressure led to the decrease in peak shear stress. Furthermore, as pore pressure increased, peak shear stress dispersion increased due to crack propagation irregularity. Because the peak shear stress changed during the fluid injection steps, we suggest that the risk of triggering geological disaster with injection under shear stress, pore, borehole, and fluid pressure should be considered.

  5. New U.S. Geological Survey Method for the Assessment of Reserve Growth

    Science.gov (United States)

    Klett, Timothy R.; Attanasi, E.D.; Charpentier, Ronald R.; Cook, Troy A.; Freeman, P.A.; Gautier, Donald L.; Le, Phuong A.; Ryder, Robert T.; Schenk, Christopher J.; Tennyson, Marilyn E.; Verma, Mahendra K.

    2011-01-01

    Reserve growth is defined as the estimated increases in quantities of crude oil, natural gas, and natural gas liquids that have the potential to be added to remaining reserves in discovered accumulations through extension, revision, improved recovery efficiency, and additions of new pools or reservoirs. A new U.S. Geological Survey method was developed to assess the reserve-growth potential of technically recoverable crude oil and natural gas to be added to reserves under proven technology currently in practice within the trend or play, or which reasonably can be extrapolated from geologically similar trends or plays. This method currently is in use to assess potential additions to reserves in discovered fields of the United States. The new approach involves (1) individual analysis of selected large accumulations that contribute most to reserve growth, and (2) conventional statistical modeling of reserve growth in remaining accumulations. This report will focus on the individual accumulation analysis. In the past, the U.S. Geological Survey estimated reserve growth by statistical methods using historical recoverable-quantity data. Those statistical methods were based on growth rates averaged by the number of years since accumulation discovery. Accumulations in mature petroleum provinces with volumetrically significant reserve growth, however, bias statistical models of the data; therefore, accumulations with significant reserve growth are best analyzed separately from those with less significant reserve growth. Large (greater than 500 million barrels) and older (with respect to year of discovery) oil accumulations increase in size at greater rates late in their development history in contrast to more recently discovered accumulations that achieve most growth early in their development history. Such differences greatly affect the statistical methods commonly used to forecast reserve growth. The individual accumulation-analysis method involves estimating the in

  6. 2D resistivity survey in complex geological structure area. Application to the volcanic area; Fukuzatsuna chishitsu kozo chiiki ni okeru hiteiko nijigen tansa. Kazangan chiiki deno tekiorei

    Energy Technology Data Exchange (ETDEWEB)

    Asakawa, S.; Ikuma, T.; Tanifuji, R. [DIA Consultants Co. Ltd., Tokyo (Japan)

    1996-05-01

    Introduced herein is an application of 2D resistivity survey to a volcanic rock area where the survey result is difficult to interpret because of its complex geological structure. In a dam site survey, main problems involve the permeability of water through faults and weathered, altered zones. At this site, a 2D resistivity survey was conducted, a 2D geological structure was deduced from the resistivity section, and the result was examined. It was found that resistivity distribution was closely related to hydrographic factors, but no obvious correlation was detected between rock classes and R, Q, and D. In conducting investigations into a section planned for a highway tunnel, it was learned that the problem was a volcanic ash layer to collapse instantly upon absorbing water, and the distribution of the ash layer, not to be disclosed by boring, was subjected to a 2D resistivity survey. The survey was conducted into the structure above where the tunnel would run, and further into the face, and studies were made about what layer was reflected by the resistivity distribution obtained by analysis. The result of the analysis agreed with the details of the layer that was disclosed afterward. 4 figs., 1 tab.

  7. Location of sea floor video tracklines along with videos collected in 2014 by the U.S. Geological Survey offshore of Fire Island, NY (MP4 videos files and Esri polyline shapefile, Geographic, WGS 84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS) conducted a geophysical and sampling survey in October 2014 that focused on a series of shoreface-attached ridges offshore of...

  8. Location of bottom photographs along with images collected in 2014 by the U.S. Geological Survey offshore of Fire Island, NY (JPEG images and Esri point shapefile, Geographic, WGS 84).

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The U.S. Geological Survey (USGS) conducted a geophysical and sampling survey in October 2014 that focused on a series of shoreface-attached ridges offshore of...

  9. Disscution on the Work Methord about Engineering Geological Investigation of Small and Medium-sized River Project in Baoding Area%保定中小河流工程地质勘察工作方法探讨

    Institute of Scientific and Technical Information of China (English)

    2013-01-01

      通过总结保定地区中小河流治理工程地质勘察工作经验,探讨了地质勘察阶段划分、勘察工作布置、工程地质分段、天然建筑材料勘察等方面的地质工作方法存在问题,并提出了改进建议。%By summarizing experience about engineering geological investigation of small and medium-sized river control project in Baoding area, discusses the work method and problems of geological work, such as the geological exploration stage division, survey and layout, engineering geological section, natural building materials geological survey and some sug-gestions were put forward.

  10. Geological Site Descriptive Model. A strategy for the model development during site investigations

    Energy Technology Data Exchange (ETDEWEB)

    Munier, Raymond; Stenberg, Leif [Swedish Nuclear Fuel and Waste Management Co., Stockholm (Sweden); Stanfors, Roy [Roy Stanfors Consulting, Lund (Sweden); Milnes, Allan Geoffrey [GEA Consulting, Uppsala (Sweden); Hermanson, Jan [Golder Associates, Stockholm (Sweden); Triumf, Carl-Axel [Geovista, Luleaa (Sweden)

    2003-04-01

    The Swedish Nuclear Fuel and Waste Management Company (SKB) is at present conducting site investigations as a preliminary to building an underground nuclear waste disposal facility in Sweden. This report presents a methodology for constructing, visualising and presenting 3-dimensional geological models, based on data from the site investigations. The methodology integrates with the overall work-flow of the site investigations, from the collection of raw data to the complete site description, as proposed in several earlier technical reports. Further, it is specifically designed for interaction with SICADA - SKB's Site Characterisation Database - and RVS - SKB's Rock Visualisation System. This report is one in a series of strategy documents intended to demonstrate how modelling is to be performed within each discipline. However, it also has a wider purpose, since the geological site descriptive model provides the basic geometrical framework for all the other disciplines. Hence, the wider aim is to present a practical and clear methodology for the analysis and interpretation of input data for use in the construction of the geology-based 3D geometrical model. In addition to the various aspects of modelling described above, the methodology presented here should therefore also provide: guidelines and directives on how systematic interpretation and integration of geo-scientific data from the different investigation methods should be carried out; guidelines on how different geometries should be created in the geological models; guidelines on how the assignment of parameters to the different geological units in RVS should be accomplished; guidelines on the handling of uncertainty at different points in the interpretation process. In addition, it should clarify the relation between the geological model and other models used in the processes of site characterisation, repository layout and safety analysis. In particular, integration and transparency should be

  11. Bathymetric terrain model of the Puerto Rico Trench and the northeastern Caribbean region for marine geological investigations

    Science.gov (United States)

    Andrews, Brian D.; ten Brink, Uri S.; Danforth, William W.; Chaytor, Jason D.; Granja Bruña, José-Luis; Llanes Estrada, Pilar; Carbó-Gorosabel, Andrés

    2014-01-01

    Records were obtained for 305 wells and 1 spring in northwestern Lee and southeastern Chatham counties, NorMultibeam bathymetric data collected in the Puerto Rico Trench and northeastern Caribbean region are compiled into a seamless bathymetric terrain model for broad-scale geological investigations of the trench system. These data, collected during eight separate surveys between 2002 and 2013 and covering almost 180,000 square kilometers, are published here in large-format map sheet and digital spatial data. This report describes the common multibeam data collection and processing methods used to produce the bathymetric terrain model and corresponding data-source polygon. Details documenting the complete provenance of the data are provided in the metadata in the Data Catalog section.

  12. BATHY_2M_ASC.ASC: Bathymetric data collected by the U.S. Geological Survey off the southern shore of Martha's Vineyard, MA, 2007 (ASCII RASTER)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The USGS Woods Hole Science Center conducted a nearshore geophysical survey offshore of the southern coast of Martha's Vineyard, in the vicinity of the Martha's...

  13. BATHY_2M_ASC.ASC: Bathymetric data collected by the U.S. Geological Survey off the southern shore of Martha's Vineyard, MA, 2007 (ASCII RASTER)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The USGS Woods Hole Science Center conducted a nearshore geophysical survey offshore of the southern coast of Martha's Vineyard, in the vicinity of the Martha's...

  14. BATHY_2M: Bathymetric data collected by the U.S. Geological Survey off the southern shore of Martha's Vineyard, MA, 2007 (ESRI BINARY GRID)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The USGS Woods Hole Science Center conducted a nearshore geophysical survey offshore of the southern coast of Martha's Vineyard, in the vicinity of the Martha's...

  15. SVP: Location of sound velocity profiles collected by the U.S. Geological Survey off the southern shore of Martha's Vineyard, MA, 2007 (ESRI POINT SHAPEFILE)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The USGS Woods Hole Science Center conducted a nearshore geophysical survey offshore of the southern coast of Martha's Vineyard, in the vicinity of the Martha's...

  16. BATHY_TRKNAV.SHP: Trackline navigation of swath bathymetry collected by the U.S. Geological Survey off the southern shore of Martha's Vineyard, 2007 (ESRI POLYLINE SHAPEFILE)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The USGS Woods Hole Science Center conducted a nearshore geophysical survey offshore of the southern coast of Martha's Vineyard, in the vicinity of the Martha's...

  17. JPEG Images displaying graphs of the sound velocity profiles collected by the U.S. Geological Survey off the southern shore of Martha's Vineyard, MA, 2007 (JPEG IMAGE)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — The USGS Woods Hole Science Center conducted a nearshore geophysical survey offshore of the southern coast of Martha's Vineyard, in the vicinity of the Martha's...

  18. Chemical Composition of Ferromanganese Crusts in the World Ocean: A Review and Comprehensive Database. U.S. Geological Survey.

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — The USGS Ferromanganese Crust data set was compiled by F.T. Manheim and C.M. Lane-Bostwick of the U.S. Geological Survey, Woods Hole, MA. The data set consists of...

  19. Flood- and Drought-Related Natural Hazards Activities of the U.S. Geological Survey in New England

    Science.gov (United States)

    Lombard, Pamela J.

    2016-03-23

    The U.S. Geological Survey (USGS) has many ongoing and recent water-related natural hazard activities in New England that can be used to help mitigate the effects of natural hazards in cooperation with other agencies. The themes related to potential hazards and the tools and science to better understand and address them include the following:

  20. U.S. Geological Survey quality-assurance plan for surface-water activities in Kansas, 2015

    Science.gov (United States)

    Painter, Colin C.; Loving, Brian L.

    2015-01-01

    This Surface Water Quality-Assurance Plan documents the standards, policies, and procedures used by the Kansas Water Science Center (KSWSC) of the U.S. Geological Survey (USGS) for activities related to the collection, processing, storage, analysis, and publication of surface-water data.

  1. Supporting data for the U.S. Geological Survey 2012 world assessment of undiscovered oil and gas resources

    Science.gov (United States)

    World Conventional Resources Assessment Team, USGS

    2013-01-01

    This report provides information pertaining to the 2012 U.S. Geological Survey assessment of undiscovered, technically recoverable conventional oil and gas resources of the world, exclusive of the United States. Some of the results were previously published, mostly in USGS fact sheet series.

  2. Engineering Geological Investigation of Slow Moving Landslide in Jahiyang Village, Salawu, Tasikmalaya Regency

    Directory of Open Access Journals (Sweden)

    Dwi Sarah

    2014-06-01

    Full Text Available DOI: 10.17014/ijog.v7i1.133An understanding of landslide mechanism is imperative to determine the appropriate mitigation method. The slow moving landslide (creeping which occurred in Kampung Salawangi, Jahiyang Village, Salawu Subregency, Tasikmalaya had caused economical and environmental losses due to the frequent active movement particularly following rainfall events. Engineering geological investigation and slope stability analysis were carried out in the studied area in order to elucidate the mechanism of the landslide. The engineering geological investigation consists of local topographical mapping, geotechnical drillings, hand borings, cone penetration, and laboratory tests. The slope stability assessment of the recent landslide was conducted by a finite element method. The results of engineering geological data analysis show that the studied area is composed of residual soils of soft to firm sandy silt and loose to compact silty sand and base rock of fresh to weathered volcanic breccias with groundwater level varying between 3 - 16 m. The engineering properties of the residual soils indicate that the sandy silt is of high plasticity and the shear strength properties of the sandy silt and silty sand show low value with effective cohesion of 6.0 - 21.74 kPa and effective friction angle of 12.00 - 25.980. The assessment of slope stability shows that the stability of the studied area is largely influenced by the rise of groundwater level marked by the decrease of safety factor and increase of slope displacement.

  3. Investigating coastal erosion variability and framework geology influence along the Grand Strand, South Carolina

    Science.gov (United States)

    Dolan, Aundrea Marie

    Increasing erosional pressures along coastal systems require a better understanding of the mechanisms of natural and human-induced alterations. This is especially important in sediment-starved coastal systems where the effects from geologic framework may exert a disproportionate influence on shoreline behavior. Existing studies into geologic framework and shoreline variability are comprehensive and well documented; yet analysis into the spatial relationships between shoreline variability, lower shoreface morphodynamics, and framework in South Carolina is limited. The Grand Strand region of South Carolina has an extensive set of geophysical data, such as CHIRP seismic, sidescan sonar, borehole logs, and inner shelf cores. In addition, there is a rich suite of RTK-DGPS surveys of a shoreline contour (MHW; 0.625 m) collected monthly since 2007 to consider shoreline variability over 52 km of coastline. Calculation of various statistical parameters using the USGS Digital Shoreline Analysis System v4.2 software, including end point rate (EPR), linear regression rate (LRR) and shoreline change envelope (SCE), provides quantitative assessment of shoreline behavior. Spectral analysis is utilized to define patterns in spatial variability. In effort to target the sediment-limited lower shoreface, a multibeam survey of the region was acquired and identified sections of low relief, low backscatter cuspate-like linear scour depression features in close proximity to the depth of closure. The 6-meter contour wad digitized onto backscatter imagery and intensity values were extracted and correlated to shoreline (MHW) change throughout the study area. Chi-square analysis and correlations between geologic and physical metrics (e.g. paleochannel presence, shoreface slope, backscatter intensity) were computed to identify spatial relationships. Analyses indicate a relationship between shoreline change and backscatter intensity where deep paleochannels were present. Furthermore, power

  4. Science strategy for Core Science Systems in the U.S. Geological Survey, 2013-2023

    Science.gov (United States)

    Bristol, R. Sky; Euliss, Ned H.; Booth, Nathaniel L.; Burkardt, Nina; Diffendorfer, Jay E.; Gesch, Dean B.; McCallum, Brian E.; Miller, David M.; Morman, Suzette A.; Poore, Barbara S.; Signell, Richard P.; Viger, Roland J.

    2012-01-01

    Core Science Systems is a new mission of the U.S. Geological Survey (USGS) that grew out of the 2007 Science Strategy, “Facing Tomorrow’s Challenges: U.S. Geological Survey Science in the Decade 2007–2017.” This report describes the vision for this USGS mission and outlines a strategy for Core Science Systems to facilitate integrated characterization and understanding of the complex earth system. The vision and suggested actions are bold and far-reaching, describing a conceptual model and framework to enhance the ability of USGS to bring its core strengths to bear on pressing societal problems through data integration and scientific synthesis across the breadth of science.The context of this report is inspired by a direction set forth in the 2007 Science Strategy. Specifically, ecosystem-based approaches provide the underpinnings for essentially all science themes that define the USGS. Every point on earth falls within a specific ecosystem where data, other information assets, and the expertise of USGS and its many partners can be employed to quantitatively understand how that ecosystem functions and how it responds to natural and anthropogenic disturbances. Every benefit society obtains from the planet—food, water, raw materials to build infrastructure, homes and automobiles, fuel to heat homes and cities, and many others, are derived from or effect ecosystems.The vision for Core Science Systems builds on core strengths of the USGS in characterizing and understanding complex earth and biological systems through research, modeling, mapping, and the production of high quality data on the nation’s natural resource infrastructure. Together, these research activities provide a foundation for ecosystem-based approaches through geologic mapping, topographic mapping, and biodiversity mapping. The vision describes a framework founded on these core mapping strengths that makes it easier for USGS scientists to discover critical information, share and publish

  5. Science strategy for Core Science Systems in the U.S. Geological Survey, 2013-2023

    Science.gov (United States)

    Bristol, R. Sky; Euliss, Ned H.; Booth, Nathaniel L.; Burkardt, Nina; Diffendorfer, Jay E.; Gesch, Dean B.; McCallum, Brian E.; Miller, David M.; Morman, Suzette A.; Poore, Barbara S.; Signell, Richard P.; Viger, Roland J.

    2012-01-01

    Core Science Systems is a new mission of the U.S. Geological Survey (USGS) that grew out of the 2007 Science Strategy, "Facing Tomorrow's Challenges: U.S. Geological Survey Science in the Decade 2007-2017." This report describes the vision for this USGS mission and outlines a strategy for Core Science Systems to facilitate integrated characterization and understanding of the complex earth system. The vision and suggested actions are bold and far-reaching, describing a conceptual model and framework to enhance the ability of USGS to bring its core strengths to bear on pressing societal problems through data integration and scientific synthesis across the breadth of science. The context of this report is inspired by a direction set forth in the 2007 Science Strategy. Specifically, ecosystem-based approaches provide the underpinnings for essentially all science themes that define the USGS. Every point on earth falls within a specific ecosystem where data, other information assets, and the expertise of USGS and its many partners can be employed to quantitatively understand how that ecosystem functions and how it responds to natural and anthropogenic disturbances. Every benefit society obtains from the planet - food, water, raw materials to build infrastructure, homes and automobiles, fuel to heat homes and cities, and many others, are derived from or effect ecosystems. The vision for Core Science Systems builds on core strengths of the USGS in characterizing and understanding complex earth and biological systems through research, modeling, mapping, and the production of high quality data on the nation's natural resource infrastructure. Together, these research activities provide a foundation for ecosystem-based approaches through geologic mapping, topographic mapping, and biodiversity mapping. The vision describes a framework founded on these core mapping strengths that makes it easier for USGS scientists to discover critical information, share and publish results, and

  6. Environmental flow studies of the Fort Collins Science Center, U.S. Geological Survey-Cherry Creek, Arizona

    Science.gov (United States)

    Waddle, Terry J.; Bovee, Ken D.

    2010-01-01

    At the request of the U.S. Forest Service, an instream flow assessment was conducted at Cherry Creek, Ariz., to investigate habitat for native and introduced fish species and to describe the beneficial use of a possible instream flow water right. The U.S. Geological Survey (USGS) Fort Collins Science Center performed an intensive field study of two sections of Cherry Creek in September 2008 to provide base data for hydrodynamic simulation of the flow conditions in the stream. The USGS Arizona Cooperative Fish and Wildlife Research Unit, at the University of Arizona School of Natural Resources, conducted a survey of the habitat requirements of the resident fish species in Cherry Creek and provided the habitat suitability criteria used in this study. The habitat suitability criteria were combined with hydrodynamic simulation results to quantify fish habitat for the full range of daily flow experienced in the creek and to produce maps of habitat occurrence for those flows. The flow record at the Cherry Creek stream gage was used to generate habitat response values over time. The long-term habitat response was incorporated into an Excel (Registered) spreadsheet to allow evaluation of habitat occurrence with and without an instream water right under different hypothetical water withdrawal scenarios. The spreadsheet displays information about the time sequence of habitat events, the duration of critical events, and habitat retention.

  7. U.S. Geological Survey, National Wildlife Health Center, 2011 report of selected wildlife diseases

    Science.gov (United States)

    Green, David E.; Hines, Megan K.; Russell, Robin E.; Sleeman, Jonathan M.

    2012-01-01

    The National Wildlife Health Center (NWHC) was founded in 1975 to provide technical assistance in identifying, controlling, and preventing wildlife losses from diseases, conduct research to understand the impact of diseases on wildlife populations, and devise methods to more effectively manage these disease threats. The impetus behind the creation of the NWHC was, in part, the catastrophic loss of tens of thousands of waterfowl as a result of an outbreak of duck plague at the Lake Andes National Wildlife Refuge in South Dakota during January 1973. In 1996, the NWHC, along with other Department of Interior research functions, was transferred from the U.S. Fish and Wildlife Service to the U.S. Geological Survey (USGS), where we remain one of many entities that provide the independent science that forms the bases of the sound management of the Nation’s natural resources. Our mission is to provide national leadership to safeguard wildlife and ecosystem health through dynamic partnerships and exceptional science. The main campus of the NWHC is located in Madison, Wis., where we maintain biological safety level 3 (BSL–3) diagnostic and research facilities purposefully designed for work with wildlife species. The NWHC provides research and technical assistance on wildlife health issues to State, Federal, and international agencies. In addition, since 1992 we have maintained a field station in Hawaii, the Honolulu Field Station, which focuses on marine and terrestrial natural resources throughout the Pacific region. The NWHC conducts diagnostic investigations of unusual wildlife morbidity and mortality events nationwide to detect the presence of wildlife pathogens and determine the cause of death. This is also an important activity for detecting new, emerging and resurging diseases. The NWHC provides this crucial information on the presence of wildlife diseases to wildlife managers to support sound management decisions. The data and information generated also allows

  8. U.S. Geological Survey Ecosystems science strategy: advancing discovery and application through collaboration

    Science.gov (United States)

    Williams, Byron K.; Wingard, G. Lynn; Brewer, Gary; Cloern, James E.; Gelfenbaum, Guy; Jacobson, Robert B.; Kershner, Jeffrey L.; McGuire, Anthony David; Nichols, James D.; Shapiro, Carl D.; van Riper, Charles; White, Robin P.

    2013-01-01

    Ecosystem science is critical to making informed decisions about natural resources that can sustain our Nation’s economic and environmental well-being. Resource managers and policymakers are faced with countless decisions each year at local, regional, and national levels on issues as diverse as renewable and nonrenewable energy development, agriculture, forestry, water supply, and resource allocations at the urbanrural interface. The urgency for sound decisionmaking is increasing dramatically as the world is being transformed at an unprecedented pace and in uncertain directions. Environmental changes are associated with natural hazards, greenhouse gas emissions, and increasing demands for water, land, food, energy, mineral, and living resources. At risk is the Nation’s environmental capital, the goods and services provided by resilient ecosystems that are vital to the health and wellbeing of human societies. Ecosystem science—the study of systems of organisms interacting with their environment and the consequences of natural and human-induced change on these systems—is necessary to inform decisionmakers as they develop policies to adapt to these changes. This Ecosystems Science Strategy is built on a framework that includes basic and applied science. It highlights the critical roles that U.S. Geological Survey (USGS) scientists and partners can play in building scientific understanding and providing timely information to decisionmakers. The strategy underscores the connection between scientific discoveries and the application of new knowledge, and it integrates ecosystem science and decisionmaking, producing new scientific outcomes to assist resource managers and providing public benefits. We envision the USGS as a leader in integrating scientific information into decisionmaking processes that affect the Nation’s natural resources and human well-being. The USGS is uniquely positioned to play a pivotal role in ecosystem science. With its wide range of

  9. Geologic outcrop and subcrop type within the inner shelf of Long Bay (Polygon shapefile)

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In 1999, the U.S. Geological Survey (USGS), in partnership with the South Carolina Sea Grant Consortium, began a study to investigate processes affecting shoreline...

  10. Extracting Hydrogeology from Heliborne Dual Moment Transient Electromagnetic Investigations in Geologically Divergent Terrenes

    Science.gov (United States)

    Ahmed, S.; Chandra, S.; Auken, E.; Verma, S. K.

    2015-12-01

    Comprehensive knowledge of aquifer system is an important requisite for its effective management in India. Geological formations are complex and variable, punctual and scarce information are not adequate to understand, asses and manage them. Continuous data acquisition, their interpretation and integration with available geological/geophysical information is the solution. Heliborne dual moment transient electromagnetic (HeliTEM) and magnetic (HeliMAG) measurements have been carried out in divergent geological terrenes in India comprising Gangetic alluvium, Tertiary sediments underlying the Thar desert, Deccan basalts and Gondwana sediments, weathered and fractured granite gneisses and schists and the coastal alluvium with Tertiary sediments. The survey was carried out using state of the art equipment SkyTEM. The paper presents a synopsis of the results of the HeliTEM surveys that have helped in obtaining continuous information on the geoelectrical nature of sub-surface. HeliTEM data were supported by a number of ground geophysical surveys. The results provide the 3D subsurface structures controlling the groundwater conditions, the regional continuity of probable aquifers, the variations in lithological character and the quality of water in terms of salinity. Specialized features pertaining to hydrogeological characteristics obtained from this study are as follows: A clear delineation of clay beds and their spatial distribution providing the multi-layered aquifer setup in the Gangetic plains. Delineation of low resistivity zones in the quartzite below the over exploited aquifers indicating the possibility of new aquifers. Presence of freshwater zones underneath the saline water aquifers in the thick and dry sands in deserts. Clear demarcation of different lava flows, mapping the structural controls and highly porous zones in the contact of basalts and Gondwanas. A complete and continuous mapping of weathered zone in crystalline hard rock areas providing information

  11. Enhanced Historical Land-Use and Land-Cover Data Sets of the U.S. Geological Survey: polygon format files

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This data set depicts land use and land cover from the 1970s and 1980s and has been previously published by the U.S. Geological Survey (USGS) in other file formats....

  12. Post-stack migrated SEG-Y multi-channel seismic data collected by the U.S. Geological Survey in U.S. Atlantic Seaboard in 2014

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — In summer 2014, the U.S. Geological Survey conducted a 21-day geophysical program in deep water along the Atlantic continental margin by using R/V Marcus G. Langseth...

  13. Enhanced Historical Land-Use and Land-Cover Data Sets of the U.S. Geological Survey: Tile Index Polygons

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This polygon data set documents the spatial extent of polygon files included in a release of enhanced U.S. Geological Survey historical land-use and land-cover data.

  14. Enhanced Historical Land-Use and Land-Cover Data Sets of the U.S. Geological Survey: raster format files

    Data.gov (United States)

    U.S. Geological Survey, Department of the Interior — This data set depicts land use and land cover from the 1970s and 1980s and has been previously published by the U.S. Geological Survey (USGS) in other file formats....

  15. Archive of U.S. Geological Survey selected single-beam bathymetry datasets, 1969-2000

    Science.gov (United States)

    Schreppel, Heather A.; Degnan, Carolyn H.; Dadisman, Shawn V.; Metzger, Dan R.

    2013-01-01

    New national programs, as well as natural and man-made disasters, have raised awareness about the need to find new and improved ways to share information about the coastal and marine environment with a wide-ranging public audience. The U.S. Geological Survey (USGS) Coastal and Marine Geology Program (CMGP) has begun a large-scale effort to incorporate the program's published, digital geophysical data into a single point of access known as the Coastal and Marine Geoscience Data System (CMGDS) (http://cmgds.marine.usgs.gov/). To aid in data discovery, work is also being done to import CMGP data into highly visible data and information resources, such as the National Oceanic and Atmospheric Administration's (NOAA) National Geophysical Data Center (NGDC) and two widely used Earth-science tools, GeoMapApp (GMA) (http://www.geomapapp.org) and Virtual Ocean (VO) (http://www.virtualocean.org/). This task of the CMGP Integrated Data Management System project will help support information exchange with partners, regional planning groups, and the public, as well as facilitate integrated spatial-data analysis. Sharing USGS-CMGP geophysical data via CMGDS, NGDC, GMA, and VO will aid data discovery and enable the data to support new purposes beyond those for which the data were originally intended. In order to make data available to NGDC, and from there into GMA and VO, the data must be reformatted into a standard exchange format and published. In 1977, a group of geophysical data managers from the public and private sectors developed the MGD77 format as the standard exchange format for geophysical data. In 2010, a tab-delimited version of the format was added as MGD77T (Hittelman and others, 1977). The MGD77T geophysical data format can include bathymetry, magnetics, gravity, and seismic navigation data. It is used for the transmission of data between marine institutions, data centers, and can be used by various software programs as an exchange format. A header (documentation

  16. Bibliography of publications related to the Yucca Mountain Site Characterization Project prepared by U.S. Geological Survey personnel through April 1991

    Energy Technology Data Exchange (ETDEWEB)

    Glanzman, V.M.

    1991-11-01

    Personnel of the US Geological Survey have participated in nuclear-waste management studies in the State of Nevada since the mid-1970`s. A bibliography of publications prepared principally for the US Department of Energy Yucca Mountain Site Characterization Project (formerly Nevada Nuclear Waste Storage Investigations) through April 1991 contains 475 entries in alphabetical order. The listing includes publications prepared prior to the inception of the Nevada Nuclear Waste Storage Investigations Project in April 1977 and selected publications of interest to the Yucca Mountain region. 480 refs.

  17. THREE-COMPONENT BOREHOLE MAGNETOMETER PROBE FOR MINERAL INVESTIGATIONS AND GEOLOGIC RESEARCH.

    Science.gov (United States)

    Scott, James H.; Olson, Gary G.

    1985-01-01

    A small-diameter three-component fluxgate magnetometer probe with gyroscopic and inclinometer orientation has been developed to meet U. S. Geological Survey design and performance specifications for measurement of the direction and intensity of the Earth's magnetic field in vertical and inclined boreholes. The orthogonal fluxgate magnetometer elements have a measurement resolution of 10 nanoteslas (nT) and a range of plus or minus 80,000 nT. The gyroscope has an effective resolution of one degree, and the orthogonal inclinometers, 0. 1 degree. The magnetometer probe has been field tested in several holes drilled through volcanic rocks in Nevada. Results indicate that reversals of polarization can be detected, and some rock units in this area appear to be characterized by unique magnetic signatures.

  18. U.S. Geological Survey science for the Wyoming Landscape Conservation Initiative—2014 annual report

    Science.gov (United States)

    Bowen, Zachary H.; Aldridge, Cameron L.; Anderson, Patrick J.; Assal, Timothy J.; Bartos, Timothy T.; Biewick, Laura R; Boughton, Gregory K.; Chalfoun, Anna D.; Chong, Geneva W.; Dematatis, Marie K.; Eddy-Miller, Cheryl A.; Garman, Steven L.; Germaine, Stephen S.; Homer, Collin G.; Huber, Christopher; Kauffman, Matthew J.; Latysh, Natalie; Manier, Daniel; Melcher, Cynthia P.; Miller, Alexander; Miller, Kirk A.; Olexa, Edward M.; Schell, Spencer; Walters, Annika W.; Wilson, Anna B.; Wyckoff, Teal B.

    2015-01-01

    This is the seventh report produced by the U.S. Geological Survey (USGS) for the Wyoming Landscape Conservation Initiative (WLCI) to detail annual activities conducted by the USGS for addressing specific management needs identified by WLCI partners. In FY2014, there were 26 projects, including a new one that was completed, two others that were also completed, and several that entered new phases or directions. The 26 projects fall into several categories: (1) synthesizing and analyzing existing data to identify current conditions on the landscape and using the data to develop models for projecting past and future landscape conditions; (2) monitoring indicators of ecosystem conditions and the effectiveness of on-the-ground habitat projects; (3) conducting research to elucidate the mechanisms underlying wildlife and habitat responses to changing land uses; (4) managing and making accessible the large number of databases, maps, and other products being developed; and (5) coordinating efforts among WLCI partners, helping them use USGS-developed decision-support tools, and integrating WLCI outcomes with future habitat enhancement and research projects.

  19. Urban infrastructure and water management—Science capabilities of the U.S. Geological Survey

    Science.gov (United States)

    Fisher, Shawn C.; Fanelli, Rosemary M.; Selbig, William R.

    2016-04-29

    Managing the urban-water cycle has increasingly become a challenge for water-resources planners and regulators faced with the problem of providing clean drinking water to urban residents. Sanitary and combined sanitary and storm sewer networks convey wastewater to centralized treatment plants. Impervious surfaces, which include roads, parking lots, and buildings, increase stormwater runoff and the efficiency by which runoff is conveyed to nearby stream channels; therefore, impervious surfaces increase the risk of urban flooding and alteration of natural ecosystems. These challenges will increase with the expansion of urban centers and the probable effects of climate change on precipitation patterns. Understanding the urban-water cycle is critical to effectively manage water resources and to protect people, infrastructure, and urban-stream ecosystems. As a leader in water-supply, wastewater, and stormwater assessments, the U.S. Geological Survey has the expertise and resources needed to monitor, model, and interpret data related to the urban-water cycle and thereby enable water-resources managers to make informed decisions.

  20. U.S. Geological Survey distribution of European Space Agency's Sentinel-2 data

    Science.gov (United States)

    Pieschke, Renee L.

    2017-03-31

    A partnership established between the European Space Agency (ESA) and the U.S. Geological Survey (USGS) allows for USGS storage and redistribution of images acquired by the MultiSpectral Instrument (MSI) on the European Union's Sentinel-2 satellite mission. The MSI data are acquired from a pair of satellites, Sentinel-2A and Sentinel-2B, which are part of a larger set of ESA missions focusing on different aspects of Earth observation. The primary purpose of the Sentinel-2 series is to collect multispectral imagery over the Earth’s land surfaces, large islands, and inland and coastal waters. Sentinel-2A was launched in 2015 and Sentinel-2B launched in 2017.The collaborative effort between ESA and USGS provides for public access and redistribution of global acquisitions of Sentinel-2 data at no cost, which allows users to download the MSI imagery from USGS access systems such as Earth- Explorer, in addition to the ESA Sentinels Scientific Data Hub. The MSI sensor acquires 13 spectral bands that are highly complementary to data acquired by the USGS Landsat 8 Operational Land Imager (OLI) and Landsat 7 Enhanced Thematic Mapper Plus (ETM+). The product options from USGS include a Full-Resolution Browse (FRB) image product generated by USGS, along with a 100-kilometer (km) by 100-km tile-based Level-1C top-of-atmosphere (TOA) reflectance product that is very similar (but not identical) to the currently (2017) distributed ESA Level 1C product.