*Masaru Kogure¹, Jia Yue^2,3, Takuji Nakamura^1,4, Lars Hoffmann⁵, Sharon Vadas⁶, Yoshihiro Tomikawa^1,4, Mitsumu K. Ejiri^1,4, Diego Janches^2,3 (1.National Institute of Polar Research, 2.NASA Goddard Space Flight Center, 3.Catholic University of America, 4.SOKENDAI (The Graduate University for Advanced Studies), 5.Forschungszentrum Jülich, 6.NorthWest Research Associates)