10:30 AM - 10:45 AM
*Kumiko GOTO-AZUMA1, Kenji KAWAMURA1, Shuji FUJITA1, Hideaki MOTOYAMA1, Ayako ABE-OUCHI2, Ralf GREVE3, Dorthe DAHL-JENSEN4, Hiroyuki ENOMOTO1 (1.National Institute of Polar Research, 2.University of Tokyo, 3.Hokkaido University, 4.University of Copenhagen)