Atmospheric Circulation

Atmospheric Circulation

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时间:2019-05-25

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1、CHAPTER3ATMOSPHERICCIRCULATIONTounderstandlarge-scalemotionsoftheresultoftheoperationofphysicallaws.Thisglobalatmosphere,itisessentialthattheAerographer’sMatemovementofair,whichrestoresabalanceofheatonstudythegeneralcirculationoftheatmosphere.TheEarth,isthegeneralcirculation.sun’sradiat

2、ionistheenergythatsetstheatmosphereinmotion,bothhorizontallyandvertically.TherisingandWORLDTEMPERATUREGRADIENTexpandingoftheairwhenitiswarmed,orthedescendingandcontractingoftheairwhenitiscooledTemperaturegradientistherateofchangeofcausestheverticalmotion.Thehorizontalmotionistemperature

3、withdistanceinanygivendirectionatanycausedbydifferencesofatmosphericpressure;airpoint.Worldtemperaturegradientreferstothechangemovesfromareasofhighpressuretowardareasoflowintemperaturethatexistsintheatmospherefromthepressure.Differencesoftemperature,thecauseoftheequatortothepoles.Thecha

4、ngeintemperatureorpressuredifferences,areduetotheunequalabsorptiontemperaturedifferential,whichcausesatmosphericoftheSun’sradiationbyEarth’ssurface.Thecirculationcanbecomparedtothetemperaturedifferencesinthetypeofsurface;thedifferentialdifferencesproducedinapanofwaterplacedoveragasheati

5、ng;theunequaldistributionoflandandwater;theburner.Asthewaterisheated,itexpandsanditsdensityrelativepositionofoceanstoland,foreststomountains,islowered.Thisreductionindensitycausesthelakestosurroundingland,andthelike,causedifferentwarmer,lessdensewatertorisetothetopofthepan.Astypesofcirc

6、ulationoftheair.Duetotherelativeitrises,itcoolsandisforcedtotheedgesofthepan.positionofEarthwithrespecttotheSun,muchmoreHereitcoolsfurtherandthensinkstothebottom,radiationisabsorbedneartheequatorthanatothereventuallyworkingitswaybacktothecenterofthepanareas,withtheleastradiationbeingabs

7、orbedatornearwhereitstarted.Thisprocesssetsupasimplethepoles.Consequently,theprincipalfactoraffectingcirculationpatternduetosuccessiveheatingandtheatmosphereisincomingsolarradiation,anditscooling.distributiondependsonthelatitudeandtheseason.Ideally,theairwithinthetropospheremay

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