10:45 AM - 12:15 PM
*Vigan Mensah1, Miho Ikeda2, Mizuki Komatsu1, Kay I. Ohshima1,3 (1.Institute of Low Temperature Science, Hokkaido University, 2.Department of Earth and Planetary Science, Faculty of Science, Hokkaido University, 3.Arctic Research Center, Hokkaido University)