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根据ECMWF和CFSV2的数据,本文选择了3个影响我国南海的典型台风过程,分析了海表温度SST在台风期间的变化.结果表明,台风期间SST下降,台风路径右侧的降温幅度明显高于左侧.在过境2d左右,SST下降幅度最为明显,其中201509号台风威马逊降温中心右侧最大异常值可达-2.5762℃,左侧为-1.441℃,降温中心呈明显的右偏性.在此基础上,对SST异常与有效波高,热通量以及风速的相关性进行研究.统计表明,台风期间的SST异常与有效波高和风速的相关性较高,相关系数高达0.6-0.7;与热通量相关性最低,相关系数为0.2-0.4,且台风的最大风速越大,相关系数就越高.通过计算台风期间风向海表波浪输入动能发现,风应力越大,风向波浪输入的动能以及动能下传的深度也越大.海洋内部的混合就越剧烈,故而由混合引起的海表降温幅度较大.可见SST异常与风速以及波浪要素确实有很高的相关性.“,”According to the data from ECMWF and CFSV2,we analyzed the response of sea surface temperature to typhoon.Three typical typhoons affecting South China Sea were selected.The results showed that SST decreased during typhoon,and the cooling range on Typhoon path was asymmetrically distributed.The maximum cooling center appeared on the right path.For instance,during typhoon Rammasun,the maximum anomaly of SST was on the right side if the cooling center was-2.5762℃,and on the left side if the cooling center was-1.441℃.Meanwhile,the correlation between SST anomaly and significant wave height,heat flux and wind speed was also studied.Statistics showed that the correlation between SST anomaly and significant wave height was high during typhoon,and the correlation coefficient ranged from 0.6 to 0.7.The minimum correlation was found to be with heat flux,and the correlation coefficient varied between 0.2 and-0.4.The higher the correlation coefficient was,the stronger the typhoon was.