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HydrologicEngineeringCenter
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HydrologicModelingSystem
HEC-HMS
ValidationGuide
Version4.0
December2013
ApprovedforPublicRelease–DistributionUnlimited
HydrologicModelingSystemHEC-HMS,ReleaseNotes
2013.ThisHydrologicEngineeringCenter(HEC)ManualisaU.S.Governmentdocumentandis
notsubjecttocopyright.Itmaybecopiedandusedfreeofcharge.PleaseacknowledgetheU.S.
ArmyCorpsofEngineersHydrologicEngineeringCenterastheauthorofthisManualinany
subsequentuseofthisworkorexcerpts.
UseofthesoftwaredescribedbythisManualiscontrolledbycertaintermsandconditions.The
usermustacknowledgeandagreetobeboundbythetermsandconditionsofusagebeforethe
softwarecanbeinstalledorused.Forreference,acopyofthetermsandconditionsofusageare
includedinAppendixEofthesoftwareUsersManualsothattheymaybeexaminedbefore
obtainingthesoftware.
Thisdocumentcontainsreferencestoproductnamesthatareusedastrademarksby,orare
federallyregisteredtrademarksof,theirrespectiveowners.Useofspecificproductnamesdoes
notimplyofficialorunofficialendorsement.Productnamesareusedsolelyforthepurposeof
identifyingproductsavailableinthepublicmarketplace.
ExcelisaregisteredtrademarkofMicrosoftCorp.
MathcadisaregisteredtrademarkofPTCInc.
ii
ValidationGuide
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Introduction
TheHydrologicModelingSystem(HEC-HMS)isdesignedtosimulatethehydrologic
cycle.Thisbroadsimulationcapabilityrequiresma