*Teppei J Yasunari¹, Ichigaku Takigawa^2,3, Kyu-Myong Kim⁴, Akira Takeshima⁵ (1.Arctic Research Center, Hokkaido University, Sapporo, Japan, 2.Institute for Liberal Arts and Sciences, Kyoto University, Kyoto, Japan, 3.Institute for Chemical Reaction Design and Discovery, Hokkaido University, Sapporo, Japan, 4.NASA Goddard Space Flight Center, MD, USA, 5.Center for Environmental Remote Sensing, Chiba University, Chiba, Japan)