Fuad Azminuddin, University of Science and Technology, Department of Oceanography, Daejeon, South Korea; Korea Institute of Ocean Science and Technology, Ocean Circulation and Climate Research Division, Busan, South Korea, Dongchull L Jeon, Korea Institute of Ocean Science and Technology, Korea-South Pacific Ocean Research Center, Busan, South Korea, Young Ho Kim, Pukyong National University, Busan, South Korea and Chan Joo Jang, University of Science and Technology, Department of Integrated Ocean Sciences, Daejeon, South Korea