摘要
Usingthe1980-2010winterGODASoceanicassimilations,studyisconductedofthewinterheatcontent(HC)establishedinthesubsurfacelayer(5to366mindepth)overthewesternPacificwarmpool(WP),followedbyinvestigatingtheHCspatiotemporalcharacteristics,persistenceandtheimpactsontheclimateanomaliesofneighboringregions.Resultsareasfollows:1)thepatternofintegralconsistencyisuncoveredbytheleadingEOF1(PC1)modeofHCinterannualvariability,theyear-to-yearfluctuationofthetimecoefficientsbeingwellindicativeoftheinterannualanomalyoftheWPwintersubsurface-layerthermalregime.TheHCvariationisboundupwithElNi觡o-SouthernOscillation,keepingpronouncedautocorrelationduringthefollowingtwoseasonsandmore,withthepersistencebeingmorestableincomparisontoseasurfacetemperatureanomalyintheequatorialmiddleeasternPacific;2)thewinterHCanomaliesproducelastingeffectontheWPthermalstateinthefollowingspringandsummerandcorrespondingchangesinthewarmwatervolumeleadtothemeridionaltransportandverticalexchangeofwarmwater,whichexertsgreaterimpactsupontheseasurfacetemperature/heatfluxoverthewarmpoolperseandneighboringregions,especiallyinthePhilippineSeaduringtheposteriorspringandsummer;3)theincreaseinthewinterHCcorrespondstothespringoutgoinglongwaveradiation(OLR)decreaseandricherprecipitationoverthewaterseasttothePhilippineSeaandtheresultantconvectiveheatinganomaliesareresponsiblefortheriseofgeopotentialisobaricsurfacesovertropicalandsubtropicalwesternNorthPacific,therebyproducingeffectonthewesternPacificsubtropicalhigh(anomaly).Subsequently,thesea-surfaceheatfluxexchangeisintensifiedinthewarmpool,arobustanomalouscycloneshowsupatlowerlevels,air-seainteractionsareenhancedandabnormalconvectiveheatingoccurs,togethermakingthewinterHCanomaliesevenmorecloselyassociatedwiththevariationinthesu
出版日期
2015年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
