*Wonhee Lee¹、Hyunwoo Lee¹、Heejun Kim¹、Jungpyo Hong^1,2、Jeonghoon Lee³、Hyejung Jung³、Naoto Takahata⁴、Yuji Sano^4,5 (1.School of Earth and Environmental Sciences, Seoul National University, Republic of Korea、2.Department of Earth and Environmental Sciences, University of Michigan, Ann Arbor, Michigan, USA、3.Department of Science Education, Ewha Womans University, Republic of Korea、4.Atmosphere and Ocean Research Institute, University of Tokyo, Japan、5.Center for Advanced Marine Core Research, Kochi University, Japan)