Model calculation of the velocity of debris flows containing finer sediment

Yuichi Sakai, University of Tokyo, Bunkyo-ku, Japan, Norifumi Hotta, University of Tsukuba, Tsukuba, Japan, Yuji Hasegawa, Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan and Kana Nakatani, Kyoto University, Sakyo-ku, Japan