4:15 PM - 4:30 PM
*Kiyoka Murase1, Ryuho Kataoka1,2, Takanori Nishiyama1,2, Kaoru Sato3, Masaki Tsutsumi1,2, Yoshimasa Tanaka1,2, Yasunobu Ogawa1,2 (1.The Graduate University for Advanced Studies, 2.National Institute of Polar Research, 3.The University of Tokyo)