*Momoka Imai^1,2, Aiko Murayama², Kazuya Ono³, Youhei Yamashita⁴, Koji Suzuki⁴, Tomohiro Nakamura², Kay I. Ohshima², Humio Mitsudera², Jun Nishioka² (1.Graduate School of Environmental Science, Hokkaido University, 2.Pan-Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University, 3.Institute of Low Temperature Science, Hokkaido University, 4.Faculty of Environmental.Earth Science, Hokkaido University)

Yunxuan Hou¹, *Shigeyoshi Otosaka¹, Masahide Wakita², Youhei Yamashita³, Jun Nishioka⁴, Hajime Obata¹, Yosuke Miyairi¹, Yusuke Yokoyama¹, Hiroshi Ogawa¹ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Japan Marine-Earth Science and Technology, 3.Faculty of Environmental and Earth Science, Hokkaido University, 4.Institute of Low Temperature Science, Hokkaido University)

*Mariko Honda¹, Kay I. Ohshima¹, Vigan Mensah¹, Jun Nishioka¹, Stephen Riser² (1.Hokkaido Univ., 2.University of Washington)

*Youhei Yamashita^1,2, Motohiro Nakane², Yutaro Mori², Jun Nishioka^3,2, Hiroshi Ogawa⁴ (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Graduate School of Environmental Science, Hokkaido University, 3.Institute of Low Temperature Science, Hokkaido University, 4.Atmosphere and Ocean Research Institute, The University of Tokyo)