1. Donghai Laboratory, Zhoushan 316021, China
2. State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
3. School of Oceanography, Shanghai Jiao Tong University, Shanghai 200030, China
4. Ocean Optics and Imaging Laboratory, Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai 600036, India