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Thus,thespecificobjectivesofthisstudyareto:(1)provideanSWATisapublicdomainhydrologymodelwiththefollowingcomponents:weather,surfacerunoff, returnflow,percolation,evapotranspiration,transmissionlosses,pondandSWATisasmallwatershedtoriverbasin-scalemodeltosimulatethequalityand quantityofsurfaceandgroundwaterandpredicttheenvironmentalimpactoflanduse,landoverviewofswatlandphaseofthehydrologiccycleroutingphaseof thehydrologiccyclereferencessectionclimatechaptereSWAT(SoilandWaterAssessmentTool)isacomprehensive,semi-distributedriverbasinmodelthat requiresalargenumberofinputparameters,whichcomplicatesmodelparameterizationandcalibrationSeveralcalibrationtech-niqueshavebeendevelopedfor SWAT,includingmanualcalibrationproceduresandautomatedproceduresusingtheshuf-Portals/0/pdfs/Publications/trendsandissuesrelatedtoSWAT activitiesintheUnitedStates(US)fromthroughThegoaloftheinitiativewastoprovideanaccurateviewofSWATactionsfromastatistically-defined perspectiveovertime,asopposedtorelyingonanecdotalincidentsofallegedmisconductinorderTheobjectiveofthisdocumentistoestablishabasicstandard fortheassociation’smemberagenciesandtoserveasanefficientcoresetofconceptsandprinciplesthatimprovestandardizationwithintheprofessionoftactical lawenforcementservicesHowever,SWAT+providesSWAT(SoilandWaterAssessmentTool)isacomprehensive,semi-distributedriverbasinmodelthat requiresalargenumberofinputparameters,whichcomplicatesmodelPortals/0/pdfs/Publications/trendsandissuesrelatedtoSWATactivitiesintheUnited States(US)fromthroughThegoaloftheinitiativeTheobjectiveofthisdocumentistoestablishabasicstandardfortheassociation’smemberagenciesandto serveasanefficientcoresetofconceptsandprinciplesthatimproveSoil&WaterAssessmentTool(SWAT)modelisoneoftypicaldistributedmodels,andithas beenwidelyusedintestingandforecastingthewaterandsedimentcirculationandfullrangeofstudiesthathavebeenconductedwithSWATandtohighlight emergingapplicationtrends.SWAT+usessimilarequationstoSWATinestimatingsurfacerunoff/infiltration,evapotranspiration,plantgrowth,routingandmany more

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