*Arihiro Kamada¹, Takeshi Kuroda¹, Yasuto Watanabe^2,3, Mirai Kobayashi¹, Takanori Kodama⁴, Ralf Greve^5,6, Hiromu Nakagawa¹, Yasumasa Kasaba⁷, Naoki Terada¹ (1.Graduate School of Science, Tohoku University, 2.Department of Earth and Planetary Science, the University of Tokyo, 3.Meteorological Research Institute, Japan Meteorological Agency, 4.Earth-Life Science Institute, Tokyo Institute of Technology, 5.Institute of Low Temperature Science, Hokkaido University, 6.Arctic Research Center, Hokkaido University, 7.Planetary Plasma and Atmospheric Research Center, Tohoku University)

*Arihiro Kamada¹, Takeshi Kuroda¹, Takanori Kodama², Mirai Kobayashi¹, Ralf Greve^3,4 (1.Graduate School of Science, Tohoku University, 2.Earth-Life Science Institute, Tokyo Institute of Technology, 3.Institute of Low Temperature Science, Hokkaido University, 4.Arctic Research Center, Hokkaido University)

*Ralf Greve^1,2, Constantijn J. Berends³, Jorge Bernales^3,4 (1.Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan, 2.Arctic Research Center, Hokkaido University, Sapporo, Japan, 3.Institute for Marine and Atmospheric Research Utrecht, Utrecht University, Utrecht, The Netherlands, 4.Danish Meteorological Institute, Copenhagen, Denmark)