摘要
Byprescribingseasurfacetemperatureanomalies(SSTAs)overeasternequatorialPacificinJanuary-March,thelaginfluenceofENSO(ElNinoandLaNina)onmonsoonoverEastAsiahasbeenstudied.Theresultssuggestthat,duetotheexcitationofatmosphericlow-frequencyoscillationbytheSSTA,ENSOhassignificantlaginfluenceonthemonsoonoverEastAsia.DuringthesummerafterElNino,thesubtropicalhighoverwesternPacificisintensifiedandshowsthenorthwardandwestwarddisplacement,meanwhile,therainfalloverEastChinaisbelownormal,especiallyinNorthChina;duringthewinterafterElNino,boththeAsiantroughandthewintermonsoonoverEastAsiaarestrengthened.DuringthesummerafterLaNina,theanomaloussubtropicalhighprevailsoverthelowerreachesofYangtze(Changjiang)River,therainfallbetweenYangtzeandHuaiheRiversisbelownormal;duringthewinterafterLaNina,boththeAsiantroughandthewintermonsoonoverEastAsiaareweaker.ComparedwithLaNina,theeffectofElNinoisstronger,butitisnotalwaysoppositetotheoneofLaNina.
出版日期
2001年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
