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1、CHAPTER3ATMOSPHERICCIRCULATIONTounderstandlarge-scalemotionsoftheresultoftheoperationofphysicallaws.Thisglobalatmosphere,itisessentialthattheAerographer’sMatemovementofair,whichrestoresabalanceofheatonstudythegeneralcirculationoftheatmosphere.TheEarth,isthegeneralcir
2、culation.sun’sradiationistheenergythatsetstheatmosphereinmotion,bothhorizontallyandvertically.TherisingandWORLDTEMPERATUREGRADIENTexpandingoftheairwhenitiswarmed,orthedescendingandcontractingoftheairwhenitiscooledTemperaturegradientistherateofchangeofcausesthevertica
3、lmotion.Thehorizontalmotionistemperaturewithdistanceinanygivendirectionatanycausedbydifferencesofatmosphericpressure;airpoint.Worldtemperaturegradientreferstothechangemovesfromareasofhighpressuretowardareasoflowintemperaturethatexistsintheatmospherefromthepressure.Di
4、fferencesoftemperature,thecauseoftheequatortothepoles.Thechangeintemperatureorpressuredifferences,areduetotheunequalabsorptiontemperaturedifferential,whichcausesatmosphericoftheSun’sradiationbyEarth’ssurface.Thecirculationcanbecomparedtothetemperaturedifferencesinthe
5、typeofsurface;thedifferentialdifferencesproducedinapanofwaterplacedoveragasheating;theunequaldistributionoflandandwater;theburner.Asthewaterisheated,itexpandsanditsdensityrelativepositionofoceanstoland,foreststomountains,islowered.Thisreductionindensitycausesthelakes
6、tosurroundingland,andthelike,causedifferentwarmer,lessdensewatertorisetothetopofthepan.Astypesofcirculationoftheair.Duetotherelativeitrises,itcoolsandisforcedtotheedgesofthepan.positionofEarthwithrespecttotheSun,muchmoreHereitcoolsfurtherandthensinkstothebottom,radia
7、tionisabsorbedneartheequatorthanatothereventuallyworkingitswaybacktothecenterofthepanareas,withtheleastradiationbeingabsorbedatornearwhereitstarted.Thisprocesssetsupasimplethepoles.Consequently,theprincipalfactoraffectingcirculationpatternduetosuccessiveheatingandthe
8、atmosphereisincomingsolarradiation,anditscooling.distributiondependsonthelatitudeandtheseason.Ideally,theairwithinthetropospheremay
