10:45 AM - 12:15 PM
*Nakamura Riko1, Go-Ichiro Uramoto1, Misa Kamimukai1, Kazuya Iki2, Maya Adachi2, Osamu Tadai3, Yohei Hamada4, Wataru Tanikawa4, Takehiro Hirose4 (1.Kochi University , 2.Cooperative for the Mihara-suzuri Inkstone, 3.Marine Works Japan, 4.JAMSTEC)