About NAGATA TOMONORI
About 土木研 寒地土木研
About KAKINUMA TAKAHARU
About 土木研 寒地土木研
About KUWAMURA TAKASHI
About 国土交通省 北海道開発局
About 寒地土木研究所月報
About river channel
About meander
About river
About river bank
About littoral erosion
About flow velocity
About field study
About Hokkaido
About bed material
About water effluence
About fluctuation and variation
About 河道変遷
About meandering river
About Tokachigawa River
About River survey and plan
About 蛇行