NUMERICAL SIMULATION OF OZONE DISTRIBUTIONS AND ITS VARIATION MECHANISM

(整期优先)网络出版时间:1997-02-12
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A2-Dglobalchemistry-transportmodelissetupinthispaper.Themodelsimulatestheatmosphericozonedistributionswellwithspecifieddynamicalconditions.Theanalysisofozonevariationmechanismshowsthatozoneischemicallyinquasi-equilibriumexceptforthepolarnightregionwherethevariationofozoneconcentrationisunderthecontrolofdynamicalprocesses,thattheoxygenatomswhichproduceozonearemainlyprovidedbythephotolysisofO2intheupperstratosphereandbythephotolysisofNO2inthelowerstratosphereandthetroposphere.andthattheozoneisdestroyedmainlybyNOx:thereactionsbetweenNOxandO3andtheoddoxygencyclecontribute80%tomorethan90%oftheozonedestruction.