About OKADA KENJI
About 気象庁
About 地盤工学会誌
About mudflow deposit damage
About alarm
About index number
About soil moisture content
About criterion
About tank model
About data
About mesh data
About mudflow deposit damage warning information
About soil water index
About soil moisture content
About 判定手法
About Natural disasters
About 土壌雨量指数
About 土砂災害警戒情報