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1、Heat&TemperatureExchangeProcessIsothermsandtemperaturegradientsProcessesthatcontroltemperaturesLearningobjectivesCompare&contrasttemperatureandheatGivenobservedtemperatures,analyzethetemperaturefieldusingisotherms.Identifystrongandweaktemperaturegradientsusingthetemperatureanalysis.Describ
2、ethemechanismsthatcontroltemperatureintheEarth-atmospheresystem.Usingtemperaturerecordsfromselectedglobalsites,identifywhichtemperaturecontrolmechanism(s)accountfortheobservations.DescribethefactorsthatcontroltemperaturesthatareobservedinGrandCountyTemperatureTemperatureoneofthebasicelemen
3、tsusedforweather&climatevaries,sometimesconsiderably,seasonally,daily,&bythehourAnexampleobservedinGrandCounty?Howaretemperaturesanalyzedonweathercharts?Useatechniquecalled,isoplething(same+value)Drawisotherms(iso=equal;therm=temp)at2,5,or10degintervalstemperatureanalysisimportantforforeca
4、stingvisuallyabletoseepatternsassociatedwithfronts(surfaceandupperair)severethunderstormsfeaturestropicalcyclonepatterscancalculatetemperaturegradients?T/?d(degC/km)AnalyzingtemperaturefieldsRulesfordrawingisothermsonweatherchartsDrawisothermsat2,5,or10degintervalsLabeleachisothermInterpol
5、atetemperaturevaluesbetweenobservationpointsanddrawisothermsaccordinglyIsothermsnevercrosseachotherMakeisothermssmoothcurvedlinesratherthanaseriesofstraightlines.IsothermalanalysesaremadeforsurfacechartsupperairchartsTemperaturegradientsTemperaturegradient=?T/?distance(degC/km)Strengthofgr
6、adientcanbedeterminedfromisothermalanalysisStrongtemperaturegradientarefoundinareaswhereisothermsareclosetogetherWeaktemperaturegradientarefoundwhereisothermsarespacedfarapart.TemperaturecontrolsWhatcontrolsthetemperaturesweobserve?Basedonincomingsolarradiationandtheseasons,anevendistribut
7、ionoftemperatureswouldbeobservedfromthetropicstothepolarregionsWedon’tobservethispattern,why?SeveralfactorscontributeCanweobservedifferencesinGrandCounty?FactorsthatcontrolthetemperatureonEarthland-oceanheatingoceancurrentsaltitudegeographicalpositioncloudcove
