*Shuji Fujita^1,2, Kotaro Fukui³, Hideaki Motoyama^1,2, Fumio Nakazawa^1,2 (1.National Institute of Polar Research, Research Organization of Information and Systems(ROIS), 2.Department of Polar Science, The Graduate University for Advanced Studies (SOKENDAI), 3.Tateyama Caldera Sabo Museum)

*Kumiko Goto-Azuma^1,2, Motohiro Hirabayashi¹, Jun Ogata¹, Kyotaro Kitamura¹, Kenji Kawamura^1,2, Yoshimi Ogawa-Tsukagawa¹, Dallymayr Remi¹, Fumio Nakazawa^1,2, Kaori Fukuda¹, Miho Arai³, Shuji Fujita^1,2, Hideaki Motoyama^1,2 (1.National Institute of Polar Research, 2.SOKENDAI, 3.Yamagata University)

*Miho Arai¹, Kenji Kawamura^2,3,4, Kyotaro Kitamura², Kumiko Goto-Azuma^2,3, Jun Ogata², Remi Dallmayr², Fumio Nakazawa^2,3, Motohiro Hirabayashi², Takakiyo Nakazawa⁵, Shuji Aoki⁵, Toshitaka Suzuki¹ (1.Graduate School of Science and Engineering, Yamagata University, 2.National Institute of Porlar Research, 3.SOKENDAI, 4.JAMSTEC, 5.Center for Atmospheric and Oceanic Studies, Graduate School of Science, Tohoku University)

Fumio Nakazawa^1,2, *Naoko Nagatsuka¹, Kumiko Goto-Azuma^1,2, Dorthe Dahl-Jensen³, Jørgen Peder Steffensen³ (1.National Institute of Polar Research, 2.SOKENDAI (The Graduate University of Advanced Studies), 3.Niels Bohr Institute, University of Copenhagen)

Fumio Nakazawa^1,2, *Naoko Nagatsuka¹, Kumiko Goto-Azuma^1,2, Dorthe Dahl-Jensen³, Jørgen Peder Steffensen³ (1.National Institute of Polar Research, 2.SOKENDAI (The Graduate University of Advanced Studies), 3.Niels Bohr Institute, University of Copenhagen)