Advances in Earth Science ›› 2010, Vol. 25 ›› Issue (2): 184-192. doi: 10.11867/j.issn.1001-8166.2010.02.0184

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Preliminary Research on the Center's Location and Interseasonal variabilities of the Cold Eddy in East China Sea

Wang Gang,Lan Jian,Sun Shuangwen   

  1. Ocean Department, Ocean University of China, Qingdao  266100, China
  • Received:2009-04-07 Revised:2010-11-02 Online:2010-02-10 Published:2010-02-10

Wang Gang,Lan Jian,Sun Shuangwen. Preliminary Research on the Center's Location and Interseasonal variabilities of the Cold Eddy in East China Sea[J]. Advances in Earth Science, 2010, 25(2): 184-192.

To determine the center location of the Cold Eddy in East China Sea(CEECS)′s center, we analyzed typical sections of temperature fields in the sea area around the eddy and improved the proper method to acquire the eddy′s center based on the temperature data of SODA from 1958 to 2001. Results show that the CEECS′s mean center was located at 32.0°N, 125.7°E at the depth of 35 meters during 44 years, while the center was not fixed in one place. From summer to winter, the center of the eddy moves from north to south gradually while it moves from south to north gradually from winter to summer in the longitudinal direction. In the latitudinal direction, the center is obviously in the west only in winter, while in the other seasons it is in the east and the latitude of it changes lightly. The main factor should be Tsushima Current and the Yellow Sea Coastal Current which control the variance of the center′s location. The eddy′s center is not obvious in early fall, late winter and early spring, which should be associated with the seasonality of the current fields.

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