Kumiko Goto Azuma^1,2, Yoshimi Ogawa-Tsukagawa¹, Yutaka Kondo¹, Remi Dallmayr^1,3, Motohiro Hirabayashi¹, Jun Ogata¹, Kyotaro Kitamura¹, Kenji Kawamura^1,2, Hideaki Motoyama^1,2, Sumito Matoba⁴, Teruo Aoki^1,2, Nobuhiro Moteki⁵, Sho Ohata^5,6, Tatsuhiro Mori⁷, Makoto Koike⁵, Yuki Komuro¹, Akane Tsushima⁸, Naoko Nagatsuka¹, Wataru Shigeyama^1,2 and Koji Fujita⁹, (1)National Institute of Polar Research, Tokyo, Japan, (2)SOKENDAI Graduate University for Advanced Studies, Kanagawa, Japan, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (4)Hokkaido University, Sapporo, Japan, (5)University of Tokyo, Tokyo, Japan, (6)Nagoya University, Nagoya, Japan, (7)Tokyo University of Science, Tokyo, Japan, (8)Meterological Research Institute, Tsukuba, Japan, (9)Graduate School of Environmental Studies, Nagoya University, Nagoya, Japan