*Ching-Ying Tsou¹ (1.Faculty of Agriculture and Life Science, Hirosaki University)

*Koji Umeda¹, Rina Okada¹, Yuto Kobayashi³, Ching-Ying Tsou², Sa'Aya Iguchi⁴ (1.Graduate School of Science and Technology, Hirosaki University, 2.Faculty of Agriculture and Life Science, Hirosaki University, 3.Graduate School of Sustainable Community Studies, Hirosaki University, 4.Niigata Prefectural Government)

*Yuki Yamashita¹, Akihisa Kitamura¹ (1.Shizuoka University)

*Takashi Koi¹, Akiko Kitamura², Shin’ya Katsura^2,1 (1.Center for Natural Hazards Resarch, Hokkaido University, 2.Research Faculty of Agriculture, Hokkaido University)

*Wataru Takeshita¹, Gaku Kitamoto², Megumi Kosugi², Takao Yamakoshi¹, Atsuhiko Kinoshita³, Hiroshi Baba⁴, Katsushi Kawato⁴, Kentaro Kanayama⁴, Minoru Okumura⁴, Akira Jomori⁵ (1.National Institute for Land and Infrastructure Management, 2.Ministry of Land, Infrastructure, Transport and Tourism, 3.Public Works Research Institute, 4.NIPPON ENGINEERING CONSULTANTS CO.,LTD., 5.NEOSCIENCE CO.LTD.)

*TAKANORI OJIMA¹, Hiroaki Nakaya², Satoshi Takagawa³ (1.Japan Conservation Engineers Co.,Ltd., 2.National Institute for Land and Infrastructure Management, 3.Shikoku Regional Development Bureau, MLIT)

*Takumi Sahara¹, Taro Uchida¹, Shigetaka Takiguchi² (1.University of Tsukuba , 2.National Institute for Land and Infrastructure Management)

*Kudo Yuki¹, Taro Uchida², Misa Tsushima² (1.Masters Program in Environmental Science Degree programs in Life and Earth Science,Graduate School of Science and Technology, the University of Tsukuba, 2.University of Tsukuba)