9:45 AM - 10:00 AM
*Moto Kawamata1, Yusuke Suganuma2,1, Koichiro Doi2,1, Takanobu Sawagaki3, Akihisa Hattori1 (1.Department of Polar Science, School of Multidisciplinary Science, SOKENDAI (The Graduate Unversity for Advanced Studies), 2.National Institute of Polar Research, 3.Hosei University)