11:30 AM - 11:45 AM
*Ryutaro SAKAKI1, Nozomu TAKEUCHI1, Jun UETAKE2, Naoko NAGATSUKA2, Rigen SHIMADA1, Teruo AOKI3, Masashi NIWANO3 (1.Faculty of Earth Science,Chiba University, 2.National Institute of Polar Research, 3.Meteorological Research Institute)