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                               Researchoncalculationmethodofequivalentchannelbasedon
                                             Muskingum parametersKandX

                                                1,2
                                                                        3
                                                                                     1,2
                                                           1
                                 WANGChuanhai ,YUYue,WUJinning,CHENGang ,
                                                        1,2
                                              MATengfei ,ZENGXianmin     1,2
                               (1.CollegeofHydrologyandWaterResources,HohaiUniversity,Nanjing210098,China;
                    2.StateKeyLaboratoryofHydrology - WaterResourcesandHydraulicEngineering,HohaiUniversity,Nanjing210098,China;
                          3.ChangzhouBranchofJiangsuHydrologyandWaterResourcesSurveyBureau,Changzhou213022,China)
                  Abstract:Thecalculationofwaterconfluenceisahydrodynamicproblem.A seriesofhydrologicmethodshave
                  beendevelopedinordertosimplifythecalculation ,amongwhichtheMuskingummethodisoneofthemostclassic
                  methods.Inthispaper ,theequivalentchannelisconstructedbyMuskingumparametersKandX,combinedwith
                  thecharacteristicrivermethod.Byusingthismethod,riverwidth,slope,andthebestwaterdepthunderdifferent
                  generalizedcross - section(rectangularcross - sectionandparabolacross - section)couldbecalculated.Also,this
                  methodisverifiedinactualriverchannel.Theresultshowsthattheproposedmethodexpandsthechannelinforma
                  tion,improvesthetraditionalhydrologycalculation modelofflow concentration, and isconductive to the
                  simulationofwaterdepth,flowvelocityandotherinformation,providinganewwayfortheconversionoftraditional
                  Muskingummethodintohydrodynamicmethod.
                  Keywords:Muskingumparameters;waterconfluence;equivalentchannel;hydrologicalandhydrodynamics

                                                                                    (责任编辑:于福亮)

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