*Syed Azharuddin¹, Kanako Omine², Kosuke Masaka², Ryuji Asami³, Mahjoor Ahmad Lone⁴, Yu-Chen Chou⁴, Chuan-Chou Shen⁴, Ryu Uemura¹ (1.Graduate School of Environmental Studies, Nagoya University, Japan, 2.Faculty of Science, University of the Ryukyus, Japan, 3.Graduate School of Science, Tohoku University, Japan, 4.High-precision mass spectrometry and environment change laboratory (HISPEC), Department of Geosciences, National Taiwan University, Taiwan ROC)

*Kaoru Kawakami¹, Yoshinori Iizuka¹, Mahiro Sasage^1,2, Mai Matsumoto^1,2, Takeshi Saito¹, Akira Hori³, Sakiko Ishino⁴, Shuji Fujita^5,6, Koji Fujita⁷, Keita Takasugi³, Takumi Hatakeyama⁸, Saaya Hamamoto⁷, Akihisa Watari, Nao Esashi⁷, Miu Otsuka, Ryu Uemura⁷, Kazuho Horiuchi⁸, Masahiro Minowa¹, Shohei Hattori⁹, Teruo Aoki^5,6, Motohiro Hirabayashi⁵, Kenji Kawamura^5,6,10, Sumito Matoba¹ (1.Institute of Low Temperature Science, Hokkaido University,, 2.Graduate School of Environmental Science, Hokkaido University, 3.Kitami Institute of Technology, 4.Institute of Nature and Environmental Technology, Kanazawa University, 5.National Institute of Polar Research, 6.Department of Polar Science, The Graduate University of Advanced Studies, SOKENDAI, 7.Graduate School of Environmental Studies, Nagoya University, 8.Graduate School of Science and Technology, Hirosaki University, 9.International Center for Isotope Effects Research, School of Earth Sciences and Engineering, Nanjing University, 10.Japan Agency for Marine Science and Technology)

*SAAYA HAMAMOTO¹, Ryu Uemura¹, Sumito Matoba², Kaoru Kawakami², Mahiro Sasage², Mai Matsumoto², Kei Yoshimura³, Atsushi Okazaki⁴, Yoshinori Iizuka² (1.Nagoya University, 2.Institite of Low Temperature Science, Hokkaido University, 3.Institute of Industrial Science, The University of Tokyo, 4.Hirosaki University)

*Yuta Arimura¹, Ryu Uemura¹, Osamu Abe¹, Ryuji Asami², Shufang Yuan³, Hahjung Chin³, Xianfeng Wang³ (1.Nagoya University, 2.Tohoku University, 3.Nanyang Technological University)

*Ryu Uemura¹, Yuta Arimura¹, Osamu Abe¹, Ryuji Asami² (1.Nagoya University, 2.Tohoku University)