*Yuhji Yamamoto¹, Maxwell Christopher Brown^2,3, Hiroyuki Hoshi⁴, Vivian Sinnen^3,10, Hiroto Ishikawa¹, Brian Jicha⁵, Masaru Kono⁶, Hidefumi Tanaka¹, Takehiro Koyaguchi⁷, Kohei Masaoka^1,8, Justin Tonti-Filippini^3,9 (1.Kochi University, 2.University of Minnesota, 3.University of Iceland, 4.Aichi University of Education, 5.University of Wisconsin-Madison, 6.Tokyo Institute of Technology, 7.University of Tokyo, 8.Kyushu University, 9.University of Oslo, 10.Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research)

*Hiroyuki A. Shimizu¹, Takehiro Koyaguchi² (1.Sabo and Landslide Technical Center, 2.Emeritus Professor of the University of Tokyo)