Key Laboratory of Ocean Circulation and Waves;
Institute of Oceanology;
Chinese Academy of Sciences;
Qingdao 266071;
Laboratory for Ocean Dynamics and Climate;
Qingdao National Laboratory for Marine Science and Technology;
Qingdao 266071;
Cooperative Institute;
for Research in Environmental Sciences;
University of Colorado;
and NOAA/Earth System Research Laboratory/Physical Sciences Division;
Boulder;
Colorado 80305;
USA;