*Shuukhaaz Ganbat¹, Noriko Hasebe¹, Uyangaa Udaanjargal¹, Davaadorj Davaasuren², Shinya Ochiai³, Yuma Shibuya¹ (1.Graduate School of Natural Science and Technology, Division of Natural System, Kanazawa University, 2.School of Arts and Sciences, National University of Mongolia, 3.Low level Radioactivity Laboratory, Institute of Environmental Technology, Kanazawa University)

*Nagayoshi Katsuta¹, Shinya Ochiai², Nakagawa Mayuko³, Masako Kagawa¹, Chikage Yoshimizu⁴, Ichiro Tayasu⁴ (1.Faculty of Education, Gifu University, 2.Institute of Nature and Environmental Technology, Kanazawa University, 3.Tokyo Institute of Technology, 4.Research Institute for Humanity and Nature)

*Kana Nagashima¹, Hitoshi Hasegawa², Nagayoshi Katsuta³, Shinya Ochiai⁴, Frank Lamy⁵, Helge W. Arz⁶, Takuto Kasuya⁷, Masafumi MURAYAMA⁸, Naomi Harada¹ (1.Japan Agency for Marine-Earth Science and Technology, Research Institute for Global Change, 2.Faculty of Science and Technology, Kochi University, 3.Faculty of Education, Gifu University, 4.Institute of Nature and Environmental Technology, Kanazawa University, 5.Alfred Wegener Institut für Polar- und Meeresforschung, 6.Leibniz Institute for Baltic Sea Research Warnemünde, 7.Department of Earth and Planetary Sciences, Kyushu University, 8.Faculty of Agriculture and Marine Science, Kochi University)