Technical Papers

Inundated area and the time of the debris flows triggered by large-scale shallow landslides in Izu Oshima Island on 16 October, 2013

Reiko AKIYAMA, Tadanori ISHIZUKA, Shiki YOSHINAGA, Tasuku MIZUTANI and Koji MORITA　3

Research Notes

Characteristics of debris flow hydrographs at the outlet of a basin in different generation conditions

Yusuke YAMAZAKI, Takahisa MIZUYAMA and Yoshitaka KAKIHARA　　13

Analyses of storm event triggering debris flows in Nagiso-Town, Nagano Prefecture, on July 9, 2014

Ken’ichirou KOSUGI and Takahisa MIZUYAMA　　18

Technical Notes

The adequate plan of temporary overflow channel as emergency countermeasures against large landslide dam

Wataru SAKURAI, Ryo SAKAI, Hikoyuki GOTO, Osamu KAJIWARA, Kimihito SHIMONO, Kenji EGUCHI, Masayuki MORITA, Junji ARAKAWA and Yasuyuki OTSUKA　　23

The effect of seepage on prediction of water level in a natural dam

Reiko AKIYAMA, Naoki FUJIMURA, Tadanori ISHIZUKA, Taro UCHIDA, Wataru SAKURAI
Ryo SAKAI, Soichi KAIHARA and Noriko TADAKUMA　　31