Abstract
Temperature data collected in the sections of 34°N, 35°N and 36°N in August from 1975 through 2003 were analyzed using Empirical Orthogonal Function (EOF) to investigate interannual variability of the southern Yellow Sea Cold Water Mass (YSCWM). The first mode (EOF1) reveals variations of basin-wide thermocline depth, which is mainly caused by surface heating. The second mode (EOF2) presents fluctuations of vertical circulation, resulting mainly from interannual variability of cold front intensity. In addition, it is found that the upward extent of upwelling in the cold front is basically determined by wind stress curl and the zonal position of the warm water center in the southern Yellow Sea is correlated with spatial difference of net heat flux.
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Contribution No.4612 from the Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
Supported by the National Basic Research Program of China (No. G1999043803)
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Dunxin, H., Qingye, W. Interannual variability of the southern Yellow Sea Cold Water Mass. Chin. J. Ocean. Limnol. 22, 231–236 (2004). https://doi.org/10.1007/BF02842553
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DOI: https://doi.org/10.1007/BF02842553