*Kengo Sudo^1,2, Hinako Shiratsuchi¹, Yoshinori Iizuka³ (1.Graduate School of Environmental Studies, Nagoya University, 2.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 3.Institute of Low Temperature Science, Hokaido University)

*Ikumi Oyabu¹, Yoshinori Iizuka², Kenji Kawamura^1,3,4, Eric Wolff⁵, Mirko Severi⁶, Rumi Ohgaito⁴, Ayako Abe-Ouchi^7,1,4, Margareta Hansson⁸ (1.National Institute of Polar Research, Research Organization of Information and Systems, 2.Institute of Low Temperature Science, Hokkaido University, 3.Department of Polar Science, The Graduate University of Advanced Studies (SOKENDAI), 4.Japan Agency for Marine Science and Technology (JAMSTEC), 5.Department of Earth Sciences, University of Cambridge, 6.Department of Chemistry “Ugo Schiff”, University of Florence, 7.Atmosphere Ocean Research Institte, University of Tokyo, 8.Department of Physical Geography, Stockholm University)

*Shuji Fujita^1,2, Kotaro FUKUI³, Mikihiro Hirabayashi¹, Iizuka Yoshinori⁴, Sumito Matoba⁴, Atsushi Miyamoto⁵, Takeshi Saito⁴, Hideaki Motoyama^1,2, Toshitaka Suzuki⁶ (1.National Institute of Polar Research, Research Organization of Information and Systems(ROIS), 2.SOKENDAI, Japan, 3.Tateyama Caldera Sabo Museum, Japan, 4.ILTS, Hokkaido Univ., Japan, 5.Hokkaido Univ., Japan, 6.Yamagata Univ., Japan)

*Teruo Aoki^1,2, Rigen Shimada³, Masahiro Hori³, Masashi Niwano², Tomonori Tanikawa², Sumito Matoba⁴, Iizuka Yoshinori⁴, Koji Fujita⁵ (1.Arctic Environment Research Center, National Institute of Polar Research, 2.Meteorological Research Institute, Japan Meteorological Agency, 3.Earth Observation Research Center, Japan Aerospace Exploration Agency, 4.Institute of Low temperature Science, Hokkaido University, 5.Graduate School of Environmental Studies, Nagoya University)

Haruki Honda², *Osamu Seki¹, Kaori Ono¹, Yoshinori Iizuka¹ (1.Institute of Low Temperature Science, Hokkaido University, 2.Graduate School of Environmental Science, Hokkaido University)