Jiuk Hwang¹, Chanhyung Jeon^1,2, Hirohiko Nakamura³, Jae-Hun Park⁴, Xiao Hua Zhu^5,6, Hong Sik Min⁷, Hanna Na^8,9, Ayako Nishina³, Eisuke Tsutsumi³, Dong Guk Kim⁷ and Chuanzheng Zhang^5,10, (1)Department of Oceanography, Pusan National University, Busan, South Korea, (2)Marine Research Institute, Pusan National University, Busan, South Korea, (3)Fac. Fisheries, Kagoshima University, Kagoshima, Japan, (4)Inha University, Ocean Sciences, Incheon, South Korea, (5)Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China, (6)Shanghai Jiao Tong University, School of Oceanography, Shanghai, China, (7)Korea Institute of Ocean Science & Technology, Busan, South Korea, (8)Seoul National University, School of Earth and Environmental Sciences, Seoul, South Korea, (9)Seoul National University, Research Institute of Oceanography, Seoul, South Korea, (10)Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai, China