Papers

Restoration of stream environment by removal of a check dam

Goichiro TAKAHASHI, Yoshiharu ISHIKAWA, Tatsuo NAKAI and Takehiko OHTA　3

Research Notes

Experimental study on blockage of drift wood roots and sediment by steel open-type Sabo dam

Ryuhei TATEISHI, Toshiyuki HORIGUCHI, Joji SHIMA, Takahisa MIZUYAMA and Yoshimi SONODA　11

Estimation of hazardous area caused by pyroclastic surge using density current model

Yuya TAKAHASHI, Hiroaki IZUMIYAMA, Naoki FUJIMURA and Hideaki MIZUNO　19