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1、CHAPTER3ATMOSPHERICCIRCULATIONTounderstandlarge-scalemotionsoftheresultoftheoperationofphysicallaws.Thisglobalatmosphere,itisessentialthattheAerographer’sMatemovementofair,whichrestoresabalanceofheatonstudythegeneralcirculationoftheatmosphere.TheEarth,isthegenera
2、lcirculation.sun’sradiationistheenergythatsetstheatmosphereinmotion,bothhorizontallyandvertically.TherisingandWORLDTEMPERATUREGRADIENTexpandingoftheairwhenitiswarmed,orthedescendingandcontractingoftheairwhenitiscooledTemperaturegradientistherateofchangeofcausesth
3、everticalmotion.Thehorizontalmotionistemperaturewithdistanceinanygivendirectionatanycausedbydifferencesofatmosphericpressure;airpoint.Worldtemperaturegradientreferstothechangemovesfromareasofhighpressuretowardareasoflowintemperaturethatexistsintheatmospherefromth
4、epressure.Differencesoftemperature,thecauseoftheequatortothepoles.Thechangeintemperatureorpressuredifferences,areduetotheunequalabsorptiontemperaturedifferential,whichcausesatmosphericoftheSun’sradiationbyEarth’ssurface.Thecirculationcanbecomparedtothetemperature
5、differencesinthetypeofsurface;thedifferentialdifferencesproducedinapanofwaterplacedoveragasheating;theunequaldistributionoflandandwater;theburner.Asthewaterisheated,itexpandsanditsdensityrelativepositionofoceanstoland,foreststomountains,islowered.Thisreductionind
6、ensitycausesthelakestosurroundingland,andthelike,causedifferentwarmer,lessdensewatertorisetothetopofthepan.Astypesofcirculationoftheair.Duetotherelativeitrises,itcoolsandisforcedtotheedgesofthepan.positionofEarthwithrespecttotheSun,muchmoreHereitcoolsfurtherandth
7、ensinkstothebottom,radiationisabsorbedneartheequatorthanatothereventuallyworkingitswaybacktothecenterofthepanareas,withtheleastradiationbeingabsorbedatornearwhereitstarted.Thisprocesssetsupasimplethepoles.Consequently,theprincipalfactoraffectingcirculationpattern
8、duetosuccessiveheatingandtheatmosphereisincomingsolarradiation,anditscooling.distributiondependsonthelatitudeandtheseason.Ideally,theairwithinthetropospheremay
