About NAKAYAMA YASUNORI
About 日本リモートセンシング学会誌
About lake
About area
About water capacity
About time course
About satellite image
About farm land
About drawdown(water level)
About water area
About Aral Sea
About 閉塞湖
About irrigated farmland
About Limnology,potamology
About 生態系
About 半乾燥地
About アラル海
About 水位変動