Improvement research of light multiple scattering calculation method by high-speed and unchangeable transfer method and research of galaxy counting-class relation, gravitational lens effect, and large scale structure-in the space with cosmological constant of time decay.
1. Elucidation of natural circulation functions of topographic linkage systems and development of improvement technologies. (2) Elucidations of behaviors of substances affecting environment in crop - farm land - water systems and environmental capacity of the systems. Elucidation of potential of environmental load occurrence in upland fields for vegetables and development of technologies to minimize the potential.