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1、PUBLICATIONSGeophysicalResearchLettersRESEARCHLETTERThevolumeandmeandepthofEarth’slakes10.1002/2016GL0713781,234,5,6B.B.Cael,A.J.Heathcote,andD.A.SeekellKeyPoints:1DepartmentofEarth,AtmosphericandPlanetarySciences,MassachusettsInstituteofTechnology,Cambridge,?Lakevolumescaleswit
2、hlakearea2Massachusetts,USA,DepartmentofPhysicalOceanography,WoodsHoleOceanographicInstitute,WoodsHole,accordingtostatisticaltopographic3theorywithinandacrossdiverseMassachusetts,USA,St.CroixWatershedResearchStation,ScienceMuseumofMinnesota,MarineonSt.Croix,Minnesota,regions45US
3、A,ClimateImpactsResearchCentre,Ume?University,Abisko,Sweden,DepartmentofEcologyandEnvironmental?Totallakevolumeis199,000Science,Ume?University,Ume?,Sweden,6ArcticResearchCentre,Ume?University,Ume?,Sweden3(196–202,00095%CI)kmandispartitionedacrosssizeclassesandgivencon?dencebound
4、sAbstractGloballakevolumeestimatesarescarce,highlyvariable,andpoorlydocumented.Wedeveloped?Totallakemeandepthis41.8(41.2–42.495%CI)m,muchlowerarigorousmethodforestimatinggloballakedepthandvolumebasedontheHurstcoef?cientofEarth’sthanpreviousestimatessurface,whichprovidesamechanis
5、ticconnectionbetweenlakeareaandvolume.Volume-areascalingbasedontheHurstcoef?cientisaccurateandconsistentwhenappliedtolakedatasetsspanningdiverseregions.SupportingInformation:Weappliedtheserelationshipstoagloballakeareacensustoestimategloballakevolumeanddepth.?SupportingInformati
6、onS1ThevolumeofEarth’slakesis199,000km3(95%con?denceinterval196,000–202,000km3).Thisvolumeis3intherangeofhistoricalestimates(166,000–280,000km),buttheoverallmeandepthof41.8m(95%CICorrespondenceto:B.B.Cael,41.2–42.4m)issigni?cantlylowerthanpreviousestimates(62–151m).Theseresultsh
7、ighlightandconstrainsnail@mit.edutherelativescarcityoflakewatersinthehydrosphereandhaveimplicationsfortheroleoflakesinglobalbiogeochemicalcycles.Citation:Cael,B.B.,A.J.Heathcote,and1.IntroductionD.A.Seekell(2017),ThevolumeandmeandepthofEarth’slakes,Geophys.Accurateestimatesofthe
8、volumeoflakesareoffundamentalinterestinlimnolog
