北太平洋局地海洋—大气相互作用主模态的比较分析

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1、北太平洋局地海洋一大气相互作用主模态的比较研究Co一nParingStudyformai一1modeofLoealocean一atmosPherelnteraetioninNorthPacineAbstraetOeean一atmosPhereinteraetioninNorthPacifiePlaysanimPortantroleinglobalelimateehangeand15animPortantfaetortoinfluence、climateinChina.InordertorevealthePhysicalesseneeof

2、loealSSTanomalyinwinterandsPringaffeetingatmosPhericeireulationinthisarea，based011outPutofmixedlayermodelCCM_MLandthatofPicntrlseenariosofIPCCmodel(BCM2.0，CSIRO一MK3.5)，byusingdifferenttyPesofstatistiealmethods(e.g.，SVD，MCA，regression，correlation，eomPositeanalysis，ete)，bo

3、thmodeldataandobservationdataareanalyzedtoeonfirmsomePreViousresultsofoeean一atmosPhereinteraetioninNorthPaeifie，andobtaintheinnovativeaehievementsbythefollowing:1.ByanalyzingandeomParingoutPutsofPicntrlseenariosofcouPledmodelBCMZ.OandCSIRO_MK3.5andmixedlayermodelCCM_ML，i

4、t15foundthatthemainmodesofloealoeean一atmosPhereinteraetioninNorthPaeificinthesemodelsareanalogo一15，nomatterwhetheroeeandynamiesProeesses15ineluded.TheProeessofatmosPhereimPaetingoceaneorresPondingthismodeshowsa“horseshoe，，PatternofseasurfaeetemPerature(SST)anomalythatfor

5、eedbyanti一eyelonicwindanomaly，whichleadsoeeanbyonemonthinwinter.OeeanicfeedbaeksonatmosPhereshowas“horseshoe，，SSTAofwarmeentreeannotonlyleadtointensificationofanti一eyclonieeireulation，butalsolast4一7monthsandaffeettheatmosPhericeireulationinsummerorautumn.ThePossibleresPo

6、nseofatmosPherieeireulationinsummerto“horseshoe”SSTAofwarmeentreinwinter15cycloniecirculation，andthemaXimulnWindsPeedaPPearsabove(BCM2.0，CSIRO_MK3.5)orsouthof(CCMweML)thewarmeentre.Themainfeaturesofthemainmodeobtainedinalltheabovemodelsareroughlysameasthatofobservations.

7、2.Therearesomedifferencesanlongthethreemodels:thedifferenceoftheloeationsof“horseshoe”SSIA，“horseshoe”551’Aofwarneentre15loeatedintheeelltralandwesternNorthPaeifieinBCMZ.OandCCMMLmode，认hileintheeast3多北太平洋局地海洋一大气相互作用主模态的比较研究inCSIROMK3.5;thedifferenceofthetilneofSSTAaffeet

8、il飞gtlielateratmosPhere，SSTAinlatespringaffeetsatmosPhereinearlya、ltumnmostsignifieantlyinBCMZ.O;SSTAin