*Takuro Matsuta¹, Atsushi Kubokawa¹, Humio Mitsudera², Tomomichi Ogata³ (1.Faculty of Env.Earth Science, Hokkaido University, 2.Institute of Low Temperature Science Hokkaido University, 3.Japan Agency for Marine-Earth Science and Technology)

*Hidenori AIKI¹, Yuki Kanno², Yayoi Harada³, Chiaki Kobayashi³, Takahiro Toyoda³, Motoki Nagura⁴, Tomomichi Ogata⁴, Shunsuke Noguchi⁵, Hatsuki Fujinami¹ (1.Nagoya University, 2.Central Research Institute of Electric Power Industry, 3.Meteorological Research Institute, 4.Japan Agency for Marine-Earth Science and Technology, 5.Kyushu University)

*Takuro Matsuta¹, Humio Mitsudera², Yukio Masumoto^3,4, Hideharu Sasaki⁴, Ryo Furue⁴, Tomomichi Ogata⁴ (1.Faculty of Env.Earth Science, Hokkaido University, 2.Institute of Low Temperature Science Hokkaido University , 3.Department of Earth and Planetary Science, The University of Tokyo, 4.Japan Agency for Marine-Earth Science and Technology)