*Ching-Ying Tsou1, Daisuke Higaki1, Masahiro Chigira2, Hiroshi Yagi3, Go Sato4, Hiroshi Sato5, Akihiko Wakai6, Yamasaki Shintaro7, Akiyo Yatagai8
(1.Faculty of Agriculture and Life Science, Hirosaki University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Department of Education , Yamagata University, 4.Graduate school of Environmental Information, Teikyo Heisei University, 5.College of Humanities and Sciences, Nihon University, 6.Department of Civil and Environmental Engineering, Gunma University, 7.Kitami Institute of Technology, 8.Research Institute for Humanity and Nature)