NUMERICAL INVESTIGATION OF QBO IN OZONE-中国期刊网

摘要 Inthispaper,atwo-dimensionalprimitiveequationmodel,couplingdynamical,radiativeandphotochemicalprocesses,isusedtosimulatethequasi-biennialoscillation(QBO)inozone.TheQBOintotalozonehasbeensuccessfullysimulatedwhentheforcingofequatorialstratosphericQBOinzonalwindisimposed.ThesimulatedcharactersofQBOinozoneareincloseagreementwiththoseobserved.WefurtheranalyzedthemechanismofformationandmaintenanceofQBOinozone.InthedifferentphasesofQBOinequatorialstratosphericwindfield,theglobalcirculationhassogreatdifferencethatitmakestheeffectsofadvectiontransferandeddytransferpresentaquasi-biennialperiodicalvariation.Chemicaleffectanddynamicaleffectarebasicallyout-of-phase.TheytogetherformandmaintaintheQBOinozone.Totalvariationrateisatinydifferenceofthetwolargeamounts.Atthelowerlevelofmiddle-highlatitudes,however,ithasaphasedifferenceofabout1-2monthsbetweendynamicalandnegativechemicaleffects,wherethedynamicaleffectiscomparativelygreater.QBOinozonehasnoclearcountereffectsonatmosphericcirculation.TheexperimentresultsshowthattheeffectsofQBOinozoneontemperaturefieldandwindfieldareverysmall.

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NUMERICAL INVESTIGATION OF QBO IN OZONE

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NUMERICAL INVESTIGATION OF QBO IN OZONE

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