11:45 AM - 12:00 PM
Ryuki Saijo1, Airi Maruyama1, Song Lu1, *Tomohisa Irino1,2, Ken Ikehara3, Ken Sawada4 (1.Graduate School of Environmental Science, Hokkaido University, 2.Faculty of Environmental Earth Science, Hokkaido University, 3.Institute of Geology and Geoinformation, National Institute of Advanced Industrial and Science Technology, 4.Faculty of Science, Hokkaido University)