*Tetsuya Takeshita¹, Satoshi Ida², Kazuyoshi Noguchi³, Tetsuya Sumi⁴ (1. National Institute for Land and Infrastructure Management, MLIT, 2. Kurobe Office of River, MLIT, 3. River Enginneering Group, NEWJEC Inc., 4. Water Resources Research Center, Disaster Prevention Research Institute, Kyoto University)

*Sawa Miura¹, Takahiro Koshiba², Tetsuya Sumi² (1. Ministry of Land, Infrastructure, Transport and Tourism, 2. Water Resources Research Center, Disaster Prevention Research Institute, Kyoto University)

*Takayoshi Higashi¹, Mitsuteru Irie² (1. University of Miyazaki Graduate schools, 2. University of Miyazaki)

*Hiroyuki Katayama¹, Hideyuki Asada¹, Manari Minematsu¹, Takefumi Tsuchiya² (1. Association of Water Resources Sedimentation Technology, 2. Water Resources Environment Center)

Ken-ichi Uzaki², Takatoshi Kato³, *Yoshito Ikehata¹ (1. Nippon Bunri University, 2. Gunma University, 3. Miyagi Prefecture)

*HARADA Daisuke¹, EGASHIRA Shinji¹ (1. International Centre for Water Hazard and Risk Management (ICHARM))