About OKADERA Tomohiro
About National Inst. Environmental Studies, Ibaraki, JPN
About WATANABE Masataka
About Keio Univ., Kanagawa, JPN
About Global Environmental Research
About water supply
About service
About value analysis
About Water Resources
About adjustment
About time series analysis
About flood
About ecological service
About economic value
About Environmental engineering in general
About 日本
About 水供給
About サービス
About 地域
About 価値