5:15 PM - 6:30 PM
*KEISHI SHIMADA1, Yujiro Kitade1, Kohei Mizobata1, Shigeru Aoki2, Kay I. Ohshima2, Takeshi Tamura3, Tsuneo Odate3 (1.Tokyo university of marine science and technology, 2.Institute of Low Temperature Science, Hokkaido University, 3.National Institute of Polar Research)