*Hiroshi, P. Sato¹, Masahiro Chigira², Ching-Ying Tsou³ (1.College of Humanities and Sciences, Nihon University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Faculty of Agriculture and Life Science, Hirosaki University)

Masakazu Mashiko¹, *Masahiro Chigira¹, Hirokazu Furuki², Takehiko Suzuki³ (1.Disaster Prevention Research Institute, Kyoto University, 2.Nippon Koei Co. Ltd., 3.Tokyo Metropolitan University)

*Noriyuki Arai¹, Masahiro Chigira¹, Issei Doi¹ (1.Disaster Prevention Research Institute,Kyoto University)

*Siyuan Zhao¹, Masahiro Chigira², Xiyong Wu³ (1.College of Water Resources and Hydropower, Sichuan University, Chengdu 610065, Sichuan, China, 2.Disaster Prevention Research Institute, Kyoto University, Gokasho, Uji, Kyoto 611–0011, Japan, 3.Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, 611756, China)

*Ching-Ying Tsou¹, Osamu Yokoyama², Fumitoshi Imaizumi³, Hsi-Hung Lin⁴, Yu-Chung Hsieh⁴, Mien-Ming Chen⁴, Masahiro Chigira⁵, Chun-Yi Wu⁶, Su-Chin Chen⁶ (1.Faculty of Agriculture and Life Science, Hirosaki University, 2.Japan Conservation Engineers Co., Ltd., 3.Faculty of Agriculture, Shizuoka University, 4.Central Geological Survey, Taiwan, 5.Disaster Prevention Research Institute, Kyoto University, 6.College of Agriculture and Natural Resources, National Chung Hsing University)

*Osamu Yokoyama¹, Masahiro Chigira², Ching-Ying Tsou³ (1.Japan Conservation Engineers & Co., Ltd., 2.Disaster Prevention Research Institute, Kyoto University, 3.Faculty of Agriculture and Life Science, Hirosaki University)

*Masahiro Chigira¹, Takehiko Suzuki² (1.Disaster Prevention Research Institute, Kyoto University, 2.Tokyo Metropolitan University)