作者机构:[1]Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China, [2]Department of Oceanography, Xiamen University, Xiamen 361005, China
相关基金:The authors thank two anonymous reviewers for their constructive suggestions of the original version of this series of studies. 0ur studies were supported by the National Natural Science Foundation of China under contract No. 50339040 and the National Basic Research Program of China under contract No. 2005CIM22301.