Young-Gyu Park, Korea Institute of Ocean Science & Technology, Seoul, South Korea, Dong Guk Kim, KIOST, Ocean Circulation and Climate Research Center, Busan, South Korea, Seongbong Seo, Korea Institute of Ocean Science and Technology, Busan, South Korea, Joocheul Noh, KIOST Korea Institute of Ocean Science and Technology, Ansan, South Korea and Hong Sik Min, KIOST, Ocean Circulation and Climate Research Center, Ansan, South Korea