Technical Paper

Influence of housing and roads on debris flow flooding and deposition in alluvial fan areas : Case study on debris flows in Hiroshima, Japan, in August 2014

Kana NAKATANI, Megumi KOSUGI, Yoshifumi SATOFUKA and Takahisa MIZUYAMA　3

Research Notes

The application of long-term rainfall data and heavy rainfall in Yamaguchi and Shimane prefectures on July, 2013 to predict the time and location of landslides occurrence

Reiko AKIYAMA, Tasuku MIZUTANI, Atsuhiko KINOSHITA, Taro UCHIDA, Teruyoshi TAKAHARA and Tadanori ISHIZUKA　11

The effect of subsequent expanding shallow landslides after heavy rainfalls on catchment-scale sediment yield

Ken’ichi KOSHIMIZU and Taro UCHIDA　　19

Detection at the time of occurrence of sediment runoff and hydrological phenomena at that time in the Rokko mountain system

Tadanori ISHIZUKA, Kouji HATTORI, Masakazu KUBO, Taro UCHIDA, Yasukazu KOSUGE, Yoko NAGATA, Ken’ichirou KOSUGI and Takahisa MIZUYAMA　　27

Technical Notes

Reproduction of the landslide dam formative process by the Hiedayama landslide, 1911

Takeshi KUBO, Yukiyasu IWATA, Masato JOGASAKI, Tsuyoshi WATANABE, Hiromitu TABATA, Taro UCHIDA and Yoshifumi SATOFUKA　　35

Case study of the quality enhancement of sediment discharge analysis in a mountain stream

Hiroaki NAKAYA, Kenji TSURUTA and Nobuya YOSHIMURA　　43

Disaster　Reports

Debris flows occurred in August 2016 in Sounkyo, Kamikawa Town, Hokkaido

Nobutomo OSANAI, Shin‐ichiro HAYASHI, Takahisa FURUICHI, Takeshi FUJINAMI, Takaaki ABE, Tadahiko TANAKA, Keitaro YOSHIKAWA, Takamitsu IPPOSHI, Keiko IWAKURA, Tomoya HAYAKAWA, Akira MATSUOKA, Norihiro NAGANO, Atsushi SAITO, Chiharu OSHIMA 　47