9:15 AM - 9:30 AM
*Jun Nishioka1, Takenbu Toyota1, Youhei Yamashita2, Koji Suzuki2, Aiko Murayama1, Momoka Imai3, Tomohiro Nakamura1, Kay I Ohshima1, Humio Mitsudera1 (1.Hokkaido University, Institute of low temperature sciences, 2.Faculty of Environmental Earth Science, Hokkaido University, 3.Graduate School of Environmental Science, Hokkaido University)