Paper

Applicability of bedload observation method using sound pressure data obtained by a hydrophone

Takuro SUZUKI, Taro UCHIDA, Atsushi OKAMOTO, Kenta TAKAHASHI, Shintaro YAMASHITA, Yasukazu KOSUGE and Akihisa FUKUMOTO　4

Technical Report

Construction of real-time hazard map system in Rokko mountain area

Atsuhiko KINOSHITA, Tadahiro KANNO, Atsushi OKAMOTO, Masayuki HITOKOTO, Masaru ONODERA, Masaaki SAKURABA and Minoru SUGIYAMA　15

Applicability of helicopter magnetic prospecting to the landslide area on the rim area of Toga-Graben

Toshihide SUGIMOTO, Tamotu NOZAKI and Hideo SAKAI　　23

Consideration on the quality of INSEM

Koji NAKANO, Osamu TAINAKA, Isamu SATO and Tetsuya KUBOTA　　30

Research Notes

Study of sampling data obtained by a hydrophone for bedload monitoring

Takuro SUZUKI, Taro UCHIDA and Atsushi OKAMOTO　　38

Evaluating seasonal changes of forest floor cover in hillslope by continuous observation using automatic interval cameras

Marino HIRAOKA, Takashi GOMI and Yoshimi UCHIYAMA　　42

Technical Notes

Considerations of basic investigation based on the Sediment-related Disaster Prevention Law

Shigekiyo TABATA and Youichi MIKI　　49

The utilization situation of sediment disaster warning information and the complement information

Yoko TOMITA, Reiko AKIYAMA and Atsushi OKAMOTO　　53