Interannual variability of the southern Yellow Sea Cold Water Mass
Temperature data collected in the sections of 34°N, 35°N and 36°N in August from 1975 through2003 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.
作 者： 胡敦欣 王庆业 作者单位： 胡敦欣(Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China)王庆业(Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Graduate School of the Chinese Academy of Sciences, Beijing 100039, China)
刊 名： 中国海洋湖沼学报(英文版) ISTIC SCI 英文刊名： CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 年，卷(期)： 2004 22(3) 分类号： 关键词： YSCWM EOF interannual variability