*Fumiaki Fujibe1 (1.Department of Geography, Tokyo Metropolitan University)
convener:Jun Matsumoto(Deaprtment of Geography, Tokyo Metropolitan University), Yukihiro Takahashi(Department of Cosmosciences, Graduate School of Science, Hokkaido University), Akira Wada(Tokyo Institute of Technology), Chairperson:Jun Matsumoto(Deaprtment of Geography, Tokyo Metropolitan University)