Paper

A study based statistical method on the relationship between occurring sediment‐related disasters on June 29 1999 at the west part of Hiroshima prefecture and rainfall, geographical and geological factors

Hiroyuki OHISHI, Toshio YAGI, Hiroaki TAKEMOTO, Yoshinori ARAKI,　Hiroyuki SAKAKIBARA, Kohei FURUKAWA and Makoto URA　3

Research Notes

Quantification of the woody debris in Appetsu river basin by Typhoon 0310, Etau

Hajime SATO, Yu NAGASAKA, Tatsuhiro ASAI and Kazuhiko TERAZAWA　11

Optimization of altitude change values for extracting topographical changes by LIDAR

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