Special issue

Monitoring for sediment dynamics in river basin

Paper

Flow types and transport characteristics of debris flow in a steep debris flow initiation zone

Satoshi TSUCHIYA, Fumitoshi IMAIZUMI and Okihiro OHSAKA　4

Case analysis of flood sediment discharge in a stream segment regulated by a series of sabo dams

Hiroaki NAKAYA　　11

Technical Report

Sediment discharge observation in Yotagiri River
　　　Hitoshi ITO, Seiichi YAZAWA, Katsushi ISHIDA,Shintaro YAMASHITA, Yoichi SAKO, Kenta TAKAHASHI and Takahisa MIZUYAMA　19

Research Notes

Possibility of sediment movement monitoring by continuous observation of noncontact sensor
　　　Tatsunori OGAWA, Hisashi SASAKI, Yukinori NOWA and Hiroshi AOYAMA　27

Investigation of sediment transport process in drainage basins from the Meiji era to the early years of the Showa era −Survey of riverbed and hillside elevation using syaryohyo−
　　　Ryosaku SUGIMOTO　31

Recent history of large‐scale sediment disasters and evaluation of magnitude of sediment movement events in Miyazaki, southwestern Japan
　　　Osamu SHIMIZU　36

Technical Notes

Observation system of debris flow on Kitamata Vally of the Name River
　　　Yutaka SUZUKI and Takashi SUZUKI　43