1. Department of Ocean Sciences, Inha University, Incheon 22212, Republic of Korea
2. State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
3. Department of Oceanography and Marine Research Institute, Pusan National University, Busan 46241, Republic of Korea
4. Ocean Circulation and Climate Research Center, Korea Institute of Ocean Science and Technology, Busan 49111, Republic of Korea
5. GeoSystem Research Corporation, Gunpo 15807, Republic of Korea