*Kohei Masaoka¹, Yuki Morono², Naotaka Tomioka², Go-Ichiro Uramoto³, Yuhji Yamamoto³, Masao Ohno¹ (1.Kyushu University, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Kochi University)

*Yutaka Yoshimura¹, Hyeon-Seon Ahn^2,3, Yuhji Yamamoto², Chisato Anai², Yoshinori Tajiri¹, Tadahiro Hatakeyama⁴, Masao Ohno¹ (1.Faculty of Social and Cultural Studies, Kyushu University, 2.Center for Advanced Marine Core Research, Kochi University, 3.Korea Institute of Geoscience and Mineral Resources, 4.Institute of Frontier Science and Technology, Okayama University of Science)

*Chisato Anai¹, Ryousuke Moriki¹, Hyeon-Seon Ahn^1,3, Yuhji Yamamoto¹, Yutaka Yoshimura², Tadahiro Hatakeyama⁴, Yoshinori Tajiri², Masao Ohno² (1.Center for Advanced Marine Core Research, Kochi Univ., 2.Department of Environmental Changes, Faculty of Social and Cultural Studies, Kyushu University, 3.Korea Institute of Geoscience and Mineral Resources, 4.Institute of Frontier Science and Technology, Okayama University of Science)

*saran lee¹, Yoshihiro Kuwahara¹, Masao Ohno¹, Tatsuya Hayashi¹ (1.Kyushu University)