*Michinobu Kuwae¹, Bruce P. Finney², Zhiyuan Shi³, Aya Sakaguchi³, Narumi Tsugeki⁴, Takayuki Omori⁵, Tetsuro Agusa⁶, Yoshiaki Suzuki⁷, Yusuke Yokoyama⁵, Hirofumi Hinata¹, Yoshio Hatada¹, Jun Inoue⁸, Kazumi Matsuoka⁹, Misaki Shimada¹⁰, Hikaru Takahara¹⁰, Shin Takahashi¹, Daisuke Ueno¹¹, Atsuko Amano⁷, Jun Tsutsumi³, Masanobu Yamamoto¹², Keiji Takemura¹³, Keitaro Yamada¹⁴, Ken Ikehara⁷, Tsuyoshi Haraguchi¹⁵, Stephen Tims¹⁶, Michaela Froehlich¹⁶, L. Keith Fifield¹⁶, Takahiro AZE⁵, Kimikazu Sasa³, Tsutomu Takahashi⁵, Masumi Matsumura³, Yukinori Tani¹⁷, Peter R. Leavitt¹⁸, Hideyuki Doi¹³, Tomohisa Irino¹², Kazuyoshi Moriya¹⁹, Akira Hayashida²⁰, Kotaro Hirose²¹, Hidekazu Suzuki²², Yoshiki Saito²³ (1.Ehime Univ., 2.Idaho State Univ., 3.University of Tsukuba, 4.Matsuyama University, 5.The University of Tokyo, 6.Prefectural University of Kumamoto, 7.National Institute of Advanced Industrial Science and Technology, 8.Osaka Metropolitan University, 9.Nagasaki University, 10.Kyoto Prefectural University, 11.Saga University, 12.Hokkaido University, 13.Kyoto University, 14.Ritsumeikan University, 15.Osaka City University, 16.The Australian National University, 17.University of Shizuoka, 18.University of Regina, 19.Waseda University, 20.Doshisha University, 21.University of Hyogo, 22.Tokyo University of Marine Science and Technology, 23.Shimane University)

*Airi Maruyama¹, Tomohisa Irino¹, Ikehara Ken², Masanobu Yamamoto¹, Michinobu Kuwae³, Keiji Takemura⁴ (1.Faculty of Environmental Earth Science, Hokkaido University, 2.National Institute of Advanced Industrial Science and Technology (AIST), 3.Center for Marine Environmental Studies, Ehime University, 4.Kyoto University)

*Arisa Seki¹, Ryuji Tada², Shunsuke Kurokawa³, Tomohisa Irino⁴, Masafumi Murayama^5,6 (1.Faculty of Science, Shinshu University, 2.Institute for Geo-Cosmology, Chiba Institute of Technology, 3.Graduate School of Science, The University of Tokyo, 4.Faculty of Environmental Earth Science, Hokkaido University, 5.Faculty of Agriculture and Marine Science, Kochi University, 6.Center for Advanced Marine Core Research, Kochi University)

Asako Suzuki², *Ken Sawada^1,2, Saki Yano², Tomohisa Irino³ (1.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, 2.Division of Natural History Sciences, Graduate School of Science, Hokkaido University, 3.Faculty of Environmental Earth Science, Hokkaido University)

*Riku Miyase ¹, Yuzo Miyazaki², Tomohisa Irino³, Youhei Yamashita³ (1.Graduate School of Environmental Science, Hokkaido University, 2.Institute of Low Temperature Science, Hokkaido University, 3.Faculty of Environmental Earth Science, Hokkaido University)

Ryuki Saijo¹, Airi Maruyama¹, Song Lu¹, *Tomohisa Irino^1,2, Ken Ikehara³, Ken Sawada⁴ (1.Graduate School of Environmental Science, Hokkaido University, 2.Faculty of Environmental Earth Science, Hokkaido University, 3.Institute of Geology and Geoinformation, National Institute of Advanced Industrial and Science Technology, 4.Faculty of Science, Hokkaido University)

Yoshiya Hatakeyama¹, *Stephen Obrochta¹, Soichiro Oda¹, Seira Izawa¹, Yuri Miyakoshi¹, Yoshimi Kubota², Tomohisa Irino³ (1.Akita University, 2.National Museum of Nature and Science, 3.Faculty of Environmental Earth Science, Hokkaido University)