4:00 PM - 4:15 PM
*Yusuke Okazaki1, Shintaro Azuma1, Ikuo Katayama2, Yasuhito Sekine3, Tomotaka Saruya4 (1.Tokyo Institute of Technology, 2.Hiroshima University, 3.Earth-Life Science Institute, Tokyo Institute of Technology, 4.National Institute of Polar Research)