About KAMATA AYUMI
About MIWA HAJIME
About 東北地域災害科学研究
About Iwate prefecture
About local severe rain
About flood
About disaster investigation
About river
About aerial photography
About meander
About curved flow
About base course
About revetment
About waterway
About modification
About sand bank
About transfer
About Wood
About spit
About sand bar
About geomorphic element
About 安家川
About 豊沢川
About Flood prevention measures
About Natural disasters
About 岩手
About 河川災害
About 調査
About 災害