*久木田 健悟¹、関田 諭子²、萩野 恭子³、氏家 由利香³ (1.高知大学総合人間自然科学研究科、2.高知大学総合科学系黒潮圏科学部門、3.高知大学海洋コア国際研究所)

*Zeynab Zandvakili¹、Takuya Sagawa²、Kengo Kukita¹、Issui Ikuma¹、Yoshiyuki Ishitani³、Yurika Ujiie^1,4 (1.Kochi University、2.Institute of Science and Engineering, Faculty of Geosciences and Civil Engineering, Kanazawa University、3.Institute for Extra-Cutting-Edge Science and Technology Avant-garde Research (X-star), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Japan、4.Marine Core Research Institute, Kochi University, Nankoku, Japan)