College of Oceanic and Atmospheric Sciences;
Ocean University of China;
Qingdao 266100;
P. R. China;
State Key Laboratory of Satellite Ocean Environment Dynamics (SOED);
State Oceanic Administration;
Hangzhou 310012;
P. R. China;
Shanghai Ocean University;
College of Marine Sciences;
Shanghai 201306;
P. R. China;
The Second Institute of Oceanography;
State Oceanic Administration;
Hangzhou 310012;
P. R. China;