*Ryu Uemura¹, Kosuke Masaka¹, Kotaro FUKUI², Yoshinori Iizuka³, Motohiro Hirabayashi⁴, Hideaki Motoyama⁴ (1.University of the Ryukyus, 2.Tateyama Caldera Sabo Museum, 3.Institute of Low Temperature Science, Hokkaido University, 4.National Institute of Polar Research)

*Shuji Fujita^1,2, Frédéric Parrenin^3,4, Ayako Abe-Ouchi^5,6, Kenji Kawamura^1,2, Valérie Masson-Delmotte⁷, Hideaki Motoyama^1,2, Fuyuki SAITO⁵, Mirko Severi⁸, Barbara Stenni⁹, Ryu Uemura¹⁰, Eric W Wolff¹¹ (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.CNRS, LGGE, Grenoble, France, 4.Univ. Grenoble Alpes, Grenoble, France, 5.Japan Agency for Marine–Earth Science and Technology, Yokohama, Japan, 6.Atmosphere and Ocean Research Institute (AORI), University of Tokyo, Japan, 7.Laboratoire des Sciences du Climat et de l'Environnement, France, 8.University of Florence, Italy, 9.Ca' Foscari University Venice, Italy, 10.University of the Ryukyus, Japan, 11.University of Cambridge, UK)

*Ryu Uemura¹, Satoru Mishima¹, Kanako Oomine¹, Ryuji Asami¹, Chen Jin-Ping², Chuan-Chou Shen² (1.University of the Ryukyus, 2.Dept. of Geosci., National Taiwan University)

*Kanako Omine¹, Ryu Uemura¹, Satoru Mishima¹, Akihiro Kano², Tomomi Sone³, Kenji Kashiwagi⁴ (1.Department of Chemistry, Biology and Marine Science, University of the Ryukyus, 2.Graduate School of Social and Cultural Studies, Kyushu University, 3.Marine Works Japan, 4.University of Toyama)