SWAT模型建模中可能遇到的问题和解答.pdf

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1、ArcSWATFrequentlyAskedQuestionsInstallation:1.Problem:Duringinstallationanerrormessagecontaining“…unabletogetinstallertypes…”appears,preventingsuccessfulinstallation.Solution:Makethatthefollowingisloadedonyoursystem:a.).NetFramework2.0b.)ArcGISDotNetSuppor

2、t(C:ProgramFilesArcGISDotNet).InorderforArcGISDOTNetsupporttobeinstalled,the.NetFramework2.0mustbepresentonthetargetcomputerpriorfoinstallingArcGIS.SolutionstoInterfaceProblemsandHow-To:1.Problem:ErrorduringLanduse/Soils/Slopeoverlayof“Itemnotfoundinthi

3、scollection”.Cause:TheSWAT2005.mdbcroporurbantablesdonothaveaproperlyformattedOBJECTIDfield.Solution:CreateacoptablewithasequentialOBJECTIDfieldbyexportingthecroptablebackintotheSWAT2005databaseusingArcCatalog.Deletetheoldtableandrenamethenewoneto“crop”or“

4、urban”2.Problem:ErroratbeginningofLanduse/Soils/Slopeoverlayoperation.PossibleCause:Landuselookupcodesbeginwithanumberandnotaletter.Alllanduselookupcodesinauser-definedlanduselookuptableandalsofoundinthecropandurbantablesMUSTbeginwithaletter.3.Problem:Erro

5、rduringwatersheddelineationof,“Youattemptedtoopenadatabasealreadyopened…”.Cause:ThereisarenegadelockonatableorfeatureclassinyourSWATprojectdatabase.Solution:ClosetheSWATArcMapproject.ReopentheSWATprojectatrytheoperationagain.ItisagoodsideatosaveyourSWATpro

6、jectduringthewatersheddelineationtaskaftereachstepiscompleted.4.Problem:ErrorduringthewritingofSWATinputfiles,suchas“MissingCN2forhydrologicgroup…”.Cause:Soillookuptableofdatabaseusersoiltablehasproblems.Solution:SoilnamesinthesoillookupandusersoiltableCAN

7、NOThave“_”characters.Thesecharactersmustbereplacedbysomethingelse,suchas“-“or“#”.5.Problem:ErrorswhilereadinginobservedweatherfilesCause:Makethattherearenoextraemptyrowsattheendofthetables.Also,checkobserveddatafilestomakesurethattherearenodatesthatareskip

8、pedinthemiddleofthefile.6.Question:Observedweatherdatawasloaded.However,duringmodelsetup,Icanonlyselectasimulationperiodthatfallswithinthedatesofmyobserveddata.Howsetupamodel“warm-up”periodusingsimulatedweath