Studies of air contaminant generation and deposition matrix preparation in East Asia region and international cooperative observation (1). Integral observation of air pollutants in China, Russia and Japan 2. Measurement of East Asia acid rain monitoring network and upgrading of the evaluation and analysis technique. (Ministry of Environment S).
Environmental assessment on the deterioration in Setouchi catchment area environment considering natural recycling velocity of material - Kinetic analysis of the interaction among rock, water and living thing - Change of the dynamic state in underground water with urbanization.