B Xiaodong Shang xdshang@scsio.ac.cn 1 State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China 2 State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China 3 Institute of Tropical and Marine Meteorology, China Meteorological Administration, GuangZhou, China 4 University of Chinese Academy of Sciences, Beijing 100049, China