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,is

2、thegeneralcirculation.sun’sradiationistheenergythatsetstheatmosphereinmotion,bothhorizontallyandvertically.TherisingandWORLDTEMPERATUREGRADIENTexpandingoftheairwhenitiswarmed,orthedescendingandcontractingoftheairwhenitiscooledTemperaturegradientistherate

3、ofchangeofcausestheverticalmotion.Thehorizontalmotionistemperaturewithdistanceinanygivendirectionatanycausedbydifferencesofatmosphericpressure;airpoint.Worldtemperaturegradientreferstothechangemovesfromareasofhighpressuretowardareasoflowintemperaturethat

4、existsintheatmospherefromthepressure.Differencesoftemperature,thecauseoftheequatortothepoles.Thechangeintemperatureorpressuredifferences,areduetotheunequalabsorptiontemperaturedifferential,whichcausesatmosphericoftheSun’sradiationbyEarth’ssurface.Thecirc

5、ulationcanbecomparedtothetemperaturedifferencesinthetypeofsurface;thedifferentialdifferencesproducedinapanofwaterplacedoveragasheating;theunequaldistributionoflandandwater;theburner.Asthewaterisheated,itexpandsanditsdensityrelativepositionofoceanstoland,

6、foreststomountains,islowered.Thisreductionindensitycausesthelakestosurroundingland,andthelike,causedifferentwarmer,lessdensewatertorisetothetopofthepan.Astypesofcirculationoftheair.Duetotherelativeitrises,itcoolsandisforcedtotheedgesofthepan.positionofEa

7、rthwithrespecttotheSun,muchmoreHereitcoolsfurtherandthensinkstothebottom,radiationisabsorbedneartheequatorthanatothereventuallyworkingitswaybacktothecenterofthepanareas,withtheleastradiationbeingabsorbedatornearwhereitstarted.Thisprocesssetsupasimplethep

8、oles.Consequently,theprincipalfactoraffectingcirculationpatternduetosuccessiveheatingandtheatmosphereisincomingsolarradiation,anditscooling.distributiondependsonthelatitudeandtheseason.Ideally,theairwithinthetropospheremay

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