*Koji Yamazaki1, Tetsu Nakamura1, Jinro Ukita2, Kazuhira Hoshi2 (1.Hokkaido University, 2.Niigata University)
convener:Masashi Niwano(Meteorological Research Institute), Shunsuke Tei(Arctic Research Center, Hokkaido University), Tetsu Nakamura(Faculty of Environmental Earth Science, Hokkaido University), Jun Ono(Atmosphere and Ocean Research Institude, The University of Tokyo)