11:15 AM - 11:30 AM
*Yoichiro Hirozawa1, Teruo Aoki1,2, Masashi Niwano2, Sumito Matoba3, Yuji Kodama4, Tomonori Tanikawa2 (1.Okayama University, Graduate School of Natural Science and Technology, 2.Meteorological Research Institute, 3.Institute of Low Temperature Science, Hokkaido University, 4.National Institute of Polar Research)