Island ArcAyumu Miyakawa, Saneatsu Saito, Yasuhiro Yamada, Hitoshi Tomaru, Masataka Kinoshita and Takeshi Tsuji, , Gas hydrate saturation at Site C, IODP Expeditions and , in the Kumano Basin, Nankai trough. 아일랜드 아크, ,. Miyakawa et al.