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遥感技术在水文水资源方面的应用.docx

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遥感技术在水文水资源方面的应用 Title:ApplicationofRemoteSensingTechnologyinHydrologyandWaterResources Abstract: Remotesensingtechnologyhasrevolutionizedthefieldofhydrologyandwaterresourcesmanagementbyprovidingvaluabledataonvariousaspectssuchasrainfall,evapotranspiration,soilmoisture,andsurfacewaterbodies.Thispaperaimstoexploretheapplicationsofremotesensingtechnologyinhydrologyandwaterresourcesmanagement.Itdiscussestheroleofremotesensinginmonitoringandassessingwaterresources,floodforecasting,droughtmonitoring,andwaterqualityestimation.Additionally,ithighlightstheadvantagesandlimitationsofremotesensingtechnologyintheseapplications.Thefindingsofthisstudyemphasizetheimportanceofincorporatingremotesensingtechnologyinhydrologicalstudiesandwatermanagementpractices. 1.Introduction: Waterresourcesplayavitalroleinsustaininglifeandpromotingeconomicdevelopment.However,duetothegrowingpopulation,urbanization,andclimatechange,waterresourcesmanagementhasbecomeincreasinglycomplex.Remotesensingtechnologyoffersapowerfultoolformonitoring,assessing,andmanagingwaterresourceseffectively.Thispaperprovidesanoverviewofthekeyapplicationsofremotesensingtechnologyinhydrologyandwaterresourcesmanagement. 2.Remotesensingformonitoringwaterresources: Remotesensingtechnologyprovidesvaluabledataformonitoringandassessingwaterresourcessuchasrivers,lakes,reservoirs,andgroundwater.Satellite-basedsensors,suchasthoseontheLandsatandSentinelmissions,providehigh-resolutionimagesthatcanbeusedtoestimatesurfacewaterextent,volume,andchangesovertime.Thesedataassistinwaterresourceplanning,assessingwateravailability,andmonitoringchangesduetohumanactivitiesornaturaleventssuchasfloods. 3.Floodforecastingwithremotesensing: Floodsposeasignificantthreattocommunities,infrastructure,andagriculture.Remotesensingtechnologyplaysacrucialroleinfloodforecastingbyprovidingreal-timeornear-real-timeinformationonprecipitation,soilmoisture,andriverdischarge.Throughtheuseofsatellite-basedprecipitationestimationalgorithmsandradardata,remotesensingcont