11:15 AM - 11:30 AM
*Mizuki Hirano1, Iizuka Yoshinori2, Kaoru Kawakami2, Sumito Matoba2, Hiroshi Ohno3, Takuto Ando4 (1.Graduate School of Environmental Science Hokkaido University, 2. Institute of Low Temperature Science Hokkaido University, 3.Division of Civil and Environmental Engineering Kitami Institute of Technology, 4.Graduate School of International Resource Sciences Akita University)