SWAT model - Wikipedia

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SWAT (Soil & Water Assessment Tool) is a river basin scale model developed to quantify the impact of land management practices in large, complex watersheds. SWATmodel FromWikipedia,thefreeencyclopedia Jumptonavigation Jumptosearch SWAT(Soil&WaterAssessmentTool)isariverbasinscalemodeldevelopedtoquantifytheimpactoflandmanagementpracticesinlarge,complexwatersheds.SWATisapublicdomainsoftwareenabledmodelactivelysupportedbytheUSDAAgriculturalResearchServiceattheBlacklandResearch&ExtensionCenterinTemple,Texas,USA.[1]Itisahydrologymodelwiththefollowingcomponents:weather,surfacerunoff,returnflow,percolation,evapotranspiration,transmissionlosses,pondandreservoirstorage,cropgrowthandirrigation,groundwaterflow,reachrouting,nutrientandpesticideloading,andwatertransfer.SWATcanbeconsideredawatershedhydrologicaltransportmodel.Thismodelisusedworldwide[2]andiscontinuouslyunderdevelopment.AsofJuly2012,morethan1000peer-reviewedarticleshavebeenpublished[3]thatdocumentitsvariousapplications. Contents 1Modeloperation 2Interfaces 3Seealso 4References 5Externallinks Modeloperation[edit] SWATisacontinuoustimemodelthatoperatesonadailytimestepatbasinscale.Theobjectiveofsuchamodelistopredictthelong-termimpactsinlargebasinsofmanagementandalsotimingofagriculturalpracticeswithinayear(i.e.,croprotations,plantingandharvestdates,irrigation,fertilizer,andpesticideapplicationratesandtiming). Itcanbeusedtosimulateatthebasinscalewaterandnutrientscycleinlandscapeswhosedominantlanduseisagriculture.Itcanalsohelpinassessingtheenvironmentalefficiencyofbestmanagementpracticesandalternativemanagementpolicies.SWATusesatwo-leveldissagregationscheme;apreliminarysubbasinidentificationiscarriedoutbasedontopographiccriteria,followedbyfurtherdiscretizationusinglanduseandsoiltypeconsiderations.AreaswiththesamesoiltypeandlanduseformaHydrologicResponseUnit(HRU),abasiccomputationalunitassumedtobehomogeneousinhydrologicresponsetolandcoverchange. Interfaces[edit] ArcSWAT[4]IterfaceforArcMap. QSWAT[5]IterfaceforQGIS. Seealso[edit] StormWaterManagementModel StochasticEmpiricalLoadingandDilutionModel Swat-CUP IPEAT-IntegratedParameterEstimationandUncertaintyAnalysisTool[6] ALMANAC(softwaremodel) References[edit] ^"SWAT:Soil&WaterAssessmentTool".TexasA&MUniversity.Retrieved1March2012. ^Gassman,P.W.;M.R.Reyes;C.H.Green;J.G.Arnold(May2007)."TheSoilandWaterAssessmentTool:HistoricalDevelopment,Applications,andFutureResearchDirections"(PDF).TransactionsoftheASABE.50(4):1211–1250.doi:10.13031/2013.23637.Retrieved19July2012. ^"SWATLiteratureDatabase".Retrieved19July2012. ^"ArcSWAT".Retrieved8June2022. ^"QSWAT".Retrieved8June2022. ^Yen,Haw;Wang,Xiuying;Fontane,DarrellG.;Harmel,R.Daren;Arabi,Mazdak(April2014)."IPEAT".EnvironmentalModelling&Software.54:211–221.doi:10.1016/j.envsoft.2014.01.004.Retrieved20June2022. S.L.NEITSCH;J.G.ARNOLD;J.R.KINIRY;J.R.WILLIAMS;K.W.KING(2002),"SoilWaterAssessmentToolTheoreticalDocumentation",(PDF)https://swat.tamu.edu/media/1290/swat2000theory.pdf,retrieved2018-05-01{{citation}}:Missingorempty|title=(help) Externallinks[edit] Officialwebsite Retrievedfrom"https://en.wikipedia.org/w/index.php?title=SWAT_model&oldid=1100671644" Categories:HydrologymodelsHydraulicengineeringEnvironmentalengineeringPublic-domainsoftwareHiddencategories:CS1errors:missingtitleCS1errors:bareURL Navigationmenu Personaltools NotloggedinTalkContributionsCreateaccountLogin Namespaces ArticleTalk English Views ReadEditViewhistory More Search Navigation MainpageContentsCurrenteventsRandomarticleAboutWikipediaContactusDonate Contribute HelpLearntoeditCommunityportalRecentchangesUploadfile Tools WhatlinkshereRelatedchangesUploadfileSpecialpagesPermanentlinkPageinformationCitethispageWikidataitem Print/export DownloadasPDFPrintableversion Languages Lietuvių Editlinks

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