*Nobuhito Ohte1, Ken'ichi Osaka2, Masanori Katsuyama3, Tomoki Oda4, Shigeru Mizugaki5
(1.Department of Social Informatics, Graduate School of Informatics, Kyoto University, 2.Department of Ecosystem Studies, School of Environmental Science, The University of Shiga Prefecture, 3.Global Survivability Studies Unit, Center for the Promotion of Interdisciplinary Education and Research, Kyoto University, 4.Department of Forest Science, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 5.Civil Engineering Research Institute for Cold Region, Public Works Research Institute)