1. Oceanic Modeling and Observation Laboratory, School of Marine Science; Nanjing University of Information Science and Technology; Nanjing China
2. State Key Laboratory of Satellite Ocean Environment Dynamics; Second Institute of Oceanography, State Oceanic Administration; Hangzhou China
3. Jiangsu Research Center for Ocean Survey Technology; Nanjing China
4. Institute of Geophysics and Planetary Physics, University of California; Los Angeles California USA
5. Institut de Ciències del Mar (ICM-CSIC), Passeig Marítim Barceloneta; Barcelona Spain
6. Centro de Geofisica-IDL, Universidade de Lisboa; Lisboa Portugal