9:15 AM - 9:30 AM
*Kaoru Kawakami1,2, Yoshinori Iizuka2, Sumito Matoba2, Teruo Aoki3, Shin Sugiyama2, Takuto Ando4 (1.Graduate School of Environmental Science, Hokkaido University, 2.Institute of Low Temperature Science, Hokkaido University, 3.Graduate School of Natural Science and Technology, Okayama University, 4.Arctic Research Center, Hokkaido University)