4:15 PM - 4:30 PM
*Kumiko Goto-Azuma1,2, Motohiro Hirabayashi1, Jun Ogata1, Kyotaro Kitamura1, Kenji Kawamura1,2, Yoshimi Ogawa-Tsukagawa1, Dallymayr Remi1, Fumio Nakazawa1,2, Kaori Fukuda1, Miho Arai3, Shuji Fujita1,2, Hideaki Motoyama1,2 (1.National Institute of Polar Research, 2.SOKENDAI, 3.Yamagata University)