*Tsubasa Otake¹, Akua Hoshi¹, Ken Nakayama², Tatuo Nozaki³, Ryosuke Kikuchi¹, Tsutomu Sato¹ (1. Hokkaido University (Japan), 2. Kochi University (Japan), 3. Japan Agency for Marine-Earth Science and Technology (JAMSTEC) (Japan))

*Jonathan Macuroy¹, Ryohei Takahashi¹, Akira Hara², Yoshinori Okaue², Akira Imai³, Pearlyn Manalo¹, Hinako Sato¹, Andrea Agangi¹ (1. Akita Univ. (Japan), 2. Sumitomo Metal Mining (Japan), 3. Kyushu Univ. (Japan))

*Atsushi Okamoto¹, Jumpei Sugioka¹, Kenta Yoshida², Ryoichi Yamada¹ (1. Tohoku University (Japan), 2. Janan Agency for Marine-Earth Science and Technology (Japan))

*Haruki Matsukawa¹, Tsubasa Otake¹, Yoko Ohtomo¹, Yoshiaki Kon², Tsutomu Sato¹, Takeshi Kakegawa³ (1. Hokkaido University (Japan), 2. National Institute of Advanced Industrial Science and Technolo (Japan), 3. Tohoku University (Japan))

*Joseph Godirilwe Godirilwe¹, Tsubasa Otake², Shingo Tomiyama², Frances Chikanda², Yoko Ohtomo², Tsutomo Sato² (1. Graduate School of Engineering, Hokkaido Univ (Japan), 2. Faculty of Engineering, Hokkaido Univ (Japan))

*Hyunsoo Seo¹, Jaehoon Choi¹, Seong-Taek Yun¹ (1. Korea University (Korea))