About UTSUGAWA Takako
About Tokyo Metropolitan Univ.
About SHIRAI Masaaki
About Tokyo Metropolitan Univ.
About Geographical Reports of Tokyo Metropolitan University
About river
About construction(build)
About rafting
About sand particle
About morphology(form)
About gravel
About fluvial sediment
About Shizuoka prefecture
About dam construction
About 円磨度
About Tenryugawa River
About Sedimentology in general
About ダム
About 建設
About 天竜川
About 礫
About 砂粒
About 推定
About 運搬作用