Paper

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Estimation of sediment production potential in the Kizu River Watershed

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Experimental study natural resonance modes of sound of a hydrophone and sediment discharge measurement

Yuji HASEGAWA and Kuniaki MIYAMOTO　23

Technical Paper

Damage caused by Typhoon No. 17 in September 2012 to the overflow channel of a landslide dam
−CCTV image analysis of the erosion mechanism−

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Technical Notes

Construction of a movable shutter of Myojyu sabo dam in Joganji-river and their applications

Koso MIKAMI, Takahiko NAGAYAMA, Satoshi TAGATA, Takahiro ITOH and Takahisa MIZUYAMA　　42

Development of sensor for warning to deep-seated landslide by monitoring spring water

Takashi JITOUSONO, Tadanori ISHIZUKA, Yukinori NOWA and Toshiki YANAGIMACHI　　49

Disaser Report

Sediment disasters induced by heavy rainfall in Tohoku district on the end of July, and August 9, 2013

Michiya IRASAWA, Daisuke HIGAKI, Hideyuki ITOU, Junichi KANBARA, Satoshi NIWA, Kazuhiko HORI, Tatsuo SUZUKI, Shinichi YAMASHINA and Syouji MISHIMA　　53