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南海海温异常与ENSO的相关性
引用本文:谭军,周发琇,胡敦欣,于慎余.南海海温异常与ENSO的相关性[J].海洋与湖沼,1995,26(4):377-382.
作者姓名:谭军  周发琇  胡敦欣  于慎余
作者单位:中国科学院海洋研究所!青岛,266071,青岛海洋大学海洋气象系!青岛,266003,中国科学院海洋研究所!青岛,266071,青岛海洋大学海洋气象系!青岛,266003
基金项目:国家自然科学基金!49176251
摘    要:使用1958-1987COADS资料,应用复经验正交函数(CEOF)分析方法,分析南海海表面温度场(SST)和风场(u及v)。结果发现,南海海温异常基本独立于西太平洋,同时存在类似于ENSO事件的年际变化,ENSO发生前冬季南海有异常降温过程,之后有增暖事件发生。分析还表明,南海SST异常主要取决于经向风场的异常强迫。南海SST与ENSO事件的相关性实质上反映了季风异常对ENSO循环的影响。

关 键 词:南海  海温  季风  厄尔尼诺  相关性
收稿时间:1993/9/25 0:00:00
修稿时间:1994/5/26 0:00:00

THE CORRELATION BETWEEN SST ANOMALY IN THE SOUTH CHINA SEA AND ENSO
Tan Jun,Zhou Faxiu,Hu Dunxin and Yu Shenyu.THE CORRELATION BETWEEN SST ANOMALY IN THE SOUTH CHINA SEA AND ENSO[J].Oceanologia Et Limnologia Sinica,1995,26(4):377-382.
Authors:Tan Jun  Zhou Faxiu  Hu Dunxin and Yu Shenyu
Institution:Institute of Oceanology, Academia Sinica, Qingdao 266071;Department of Meterology, Ocean University of Qingdao, Qingdao 266003;Institute of Oceanology, Academia Sinica, Qingdao 266071;Department of Meterology, Ocean University of Qingdao, Qingdao 266003
Abstract:Study of the sea surface temperature (SST) field and wind field in the South China Sea using COADS data and the complex empirical orthogonal funtion (CEOF) analysis showed that the SST anomaly in the South China Sea has no obvious correlation to the West Pacific Ocean, but has close relation to the EI Ninophenomenon, and that the SST anomalous decrease (lasts about l year) sets in al-most every winter half of the year before the appearance of El Nifio, and is then followed by anomalous increase approximately corresponding to La Nino. Results give no evidence of the link between the SST and the zonal wind or between El Nino and the zonal wind as it has been supposed before. on the other hand, study sug-gests that SST anomaly can possibly be determined by the anomalous meridional wind forcing, and that the northeast Asian winter monsoon plays a critical role in this effect. The correlation between SST in the South China Sea and ENSO actually indicates the effect of monsoori anomaly on the ENSO cycle. Finally, the possible important role of the meridianal elements in the ENSO cycle is discussed, and the northeast Asian winter monsoon is thought to be a critical factor.
Keywords:South China Sea  SST  Monsoon  ENSO  
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