Paper

Investigation of a prototype system for detecting debris flows using vibration sensors: case study along the Nojiri River

Tsuneo OHSUMI, Hiroshi ASAHARA and Etsuro SHIMOKAWA　　3

 

Technical Report

Priority examination of Sabo improvement project based on evaluation of vulnerable spots for sediment‐related disasters with Data Envelopment Analysis
　　　Tomohisa FUKUDA, Hiroyuki OISHI, Wataru INOUE, Yousuke NISHIO and Kohei FURUKAWA　1

Heat transfer into shelter buried by pyroclastic flow and insulation methods
　　　Takashi YAMADA　21

Research Notes

A study of anisotropy of magnetic susceptibility in artificial deposits prepared by sediment discharge experiment and in mountain stream deposits
　　　Takashi ITO and Hideo SAKAI　29

Bedload measurement by acoustic energy with Hydrophone for high sediment transport rate
　　　Takahisa MIZUYAMA, Miwa MATSUOKA and Michinobu NONAKA　35

Technical Notes

Discrimination of wind‐fallen trees using airborn LIDAR
　　　Koji SUZUKI, Kazuki MATSUMURA and Shigeharu MATSUOKA　39

 

 

 

General Review

Disaster prevention technologies on Usu volcano in 2000
　　　Yasuhiro SHIONO and Hiroshi KOBAYASHI　46