预览加载中,请您耐心等待几秒...
1/2
2/2

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

基于MOD16的安徽省蒸散时空分布特征研究(英文) StudyontheSpatialandTemporalDistributionCharacteristicsofEvapotranspirationBasedonMOD16inAnhuiProvince Abstract: Evapotranspiration(ET)isanimportantcomponentofwatercycle,whichplaysacrucialroleinregionalwaterresourcesmanagementandagriculturalproduction.Inthispaper,weusedMOD16datatostudythespatialandtemporaldistributioncharacteristicsofETinAnhuiProvince.TheresultsshowedthattheaverageannualETofAnhuiProvincewas549.77mm,withsignificantspatialandtemporaldifferences.ETwashighestinthesouthandlowestinthenorth,andtherewasaclearcorrelationbetweenETandelevation,precipitation,andtemperature.TheresearchfindingscanprovideimportantreferenceforwaterresourcemanagementandagriculturalproductioninAnhuiProvince. Introduction: Evapotranspirationistheprocessofwatertransferfromthelandsurfacetotheatmospherebyevaporationandplanttranspiration.Itisanimportantpartofthehydrologicalcycleandplaysacrucialroleinregionalwaterresourcesmanagementandagriculturalproduction.Withthedevelopmentofremotesensingtechnology,satellite-basedestimationofEThasachievedgreatprogressinrecentdecades.MOD16isawidelyusedETproduct,whichusesthePenman-MonteithalgorithmtoestimateETataspatialresolutionof1kmandatemporalresolutionof8days.AnhuiProvinceisanimportantagriculturalprovinceinChina,withabundantwaterresources.However,duetotheunevendistributionofprecipitationandwaterresources,itisnecessarytostudythespatialandtemporaldistributioncharacteristicsofETinAnhuiProvince,whichcanprovideimportantreferenceforwaterresourcemanagementandagriculturalproduction. DataandMethods: TheMOD16productwasusedtoestimateannualETfrom2000to2018inAnhuiProvince.GeostatisticalanalysiswasusedtoinvestigatethespatialdistributionofET,andcorrelationanalysiswasusedtoinvestigatetherelationshipbetweenETandenvironmentalfactors,includingelevation,precipitation,andtemperature. Results: TheresultsshowedthattheaverageannualETofAnhuiProvincewas549.77mm,withastandarddeviationof44.02mm.ThereweresignificantspatialandtemporaldifferencesinET.Thehig