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Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)