4:15 PM - 4:30 PM
*Shuntaro Hyogo1, Yoshihiro Nakayama2, Masakazu Fujii3, Takeshi Tamura3, Ayako Abe-Ouchi4, Shigeru Aoki2 (1.Graduate School of Environmental Science, Hokkaido University, 2.Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan., 3.National Institute of Polar Research and SOKENDAI, 4.Atmosphere and Ocean Research Institute, The University of Tokyo)