10:45 AM - 12:15 PM
*Yusuke Egashira1, Sho Sasaki1, Hikaru Yabuta2, ERI TATSUMI3, Hiroshi Kaiden4, Takahiro Hiroi5, Shinichi Morimitsu1 (1.Department of Earth and Space Sciences, School of Science, Osaka University, 2.Hiroshima University, Department of Earth and Planetary Systems Science, 3.Instituto de Astrofisica de Canarias, 4.Department of Polar Science, 5.Department of Earth, Environmental and Planetary Sciences, Brown University)