基金Acknowledgements This study is supported by the Marine Public Welfare Industry Program of State Oceanic Administration （Grant No. 201005005）. Yan LI from the First Institute of Oceanography, SOA, is appreciated for her work on partial calculations. Dr. Yu LIU, School of Marine Sciences, Nanjing University of Information Science ＆ Technology, is appreciated for his valuable help in coordinating the running of ROMS. Thanks to Philipp Wu from the University of California, Berkeley for his help in proofreading the manuscript. CD appreciates the support from the National Natural Science Foundation of China （Grant Nos. 41476022, 41490643, and 91128204）, Startup Foundation for Introducing Talent of Nanjing University of Information Science ＆ Technology （2013r121and 2014r072）, Program for Innovation Research and Entrepreneurship team in Jiangsu Province, National Basic Research Program of China （No. 2014CB745000）, and National Programme on Global Change and Air-Sea Interaction （No. GASI- 03-IPOVAI-05）.
