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SensitivityanalysisofBP - DEMATELmodeltocontrolparametersoficeprocesses
1
1,2
1
SUNYafei,WANGTao,LUJinzhi ,ZHOUZhongyuan 1
(1.StateKeyLaboratoryofSimulationandRegulationofWaterCycleinRiverBasin,ChinaInstituteof
WaterResourcesandHydropowerResearch,Beijing 100038,China;
2.DepartmentofHydraulicEngineering,TsinghuaUniversity,Beijing 100084,China)
Abstract:Thedevelopmentoficeconditionisaffectedbytheinteractionofvariousfactors, likehydrology,
weatherandboundaryconditions.Theweightofinfluencingparametersisthebasisimprovingtheforecastaccuracy
andunderstandingtheevolutionmechanismofriverice.Inthisstudy ,theBP - DEMATELmodelispresentedto
analyzingtheinnerlinksofvariouskeyparametersaffectingthedateoficerun,freeze - upandbreak - upatBayan
gaolestationintheYellowRiver.Theseparameterswithdifferentimportanceareusedtoforecasttherivericecon
ditions.Theresultshowsthatthepredictediceconditionusingparameterswithstrongcorrelationprovidesbetter
agreementwiththeobservationdata.Therefore ,theBP - DEMATELmodelproposedinthisstudycanimprovethe
iceconditionforecasting.
Keywords:icecondition;relatedfactors;BP - DEMATEL;neuralnetwork;iceforecasting
(责任编辑:李福田)
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