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Impact of Cloud Physics on the Greenland Ice Sheet Near‐Surface Climate: A Study With the Community Atmosphere Model
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2020
Source: Journal of Geophysical Research: Atmospheres, 125(7)
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Journal Title:Journal of Geophysical Research: Atmospheres
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Description:TheGreenlandIceSheet(GrIS)islosingmassinanacceleratedfashion,whichisfor˜60% dominatedbyanincreaseinsurfacemelting.CloudsexhibitanimportantcontrolontheGrISsurface energybalanceandsurfacemelt.Therefore,tobettersimulatepresentandfutureGrISclimate,itisessentialtorepresentcloudscorrectlyinclimatemodels.Hereweuseground(atSummitStation)and satelliteremotesensing(fromCloudSat-CALIPSO)observ ationstoevaluateGrIScloudcharacteristicsin severalversionsoftheCommunityAtmosphereModel(CAM)overtheperiod2007–2012.Cloudcover,phase,waterpath,andradiativeeffectsovertheGrISvarywidelyacrosstheatmospheremodels.Thanksto theinclusionofnewcloudphysicalparameterizations,thatis,icenucleationandprognosticprecipitation, inthemostrecentCAMversion(CAM6),thismodel,amongstthevariousCAMversions,isbestableto
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Source:Journal of Geophysical Research: Atmospheres, 125(7)
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ISSN:2169-897X;2169-8996;
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Rights Information:CC BY-NC
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Compliance:Library
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