*Shuji Fujita^1,2, Kenji Kawamura^1,2,10, Prasad Gogineni³, Ayako Abe-Ouchi⁴, David Braaten⁵, Jean-Charles Gallet⁶, Elisabeth Isaksson⁶, Brice van Liefferinge⁶, Kenny Matsuoka⁶, Charles O'Neill³, John Paden⁵, Fernando Rodriguez-Morales⁵, Ryan A. Taylor³, Shun Tsutaki⁴, Jie-Bang Yan³, Kumiko Goto-Azuma^1,2, Ralf Greve⁷, Stephen Hudson⁶, Jack Kohler⁶, Shriniwas Kolpuke³, Linfeng Li³, Geir Moholdt⁶, Hideaki Motoyama^1,2, Fumio Nakazawa¹, Takashi Obase⁴, Hiroshi Ohno⁸, Ikumi Oyabu^9,1, Fuyuki Saito¹⁰, Konosuke Sugiura¹¹ (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), Japan, 3.The University of Alabama, USA, 4.Atmosphere and Ocean Research Institute, The University of Tokyo, Japan, 5.CReSIS, University of Kansas, USA, 6.Norwegian Polar Institute, Norway, 7.Institute of Low Temperature Science, Hokkaido University, Japan, 8.Kitami Institute of Technology, Japan, 9.JSPS, Japan, 10.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Japan, 11.University of Toyama, Japan)