Page 58 - 《水资源与水工程学报》2024年第6期
P. 58

!35 "!6 #                         & ' ( ) & * + , -                               Vol.35No.6
               2024 $ 12 %              JournalofWaterResources&WaterEngineering                 Dec.,2024

            DOI:10.11705/j.issn.1672-643X.2024.06.06


              pa[ÄNvø¯ Boussinesq ] _4–K,ŀ



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                 3IJKL:TV133;P641   MNOPQ:A    MRSL:1672643X(2024)06005409

                               Boussinesqstreamgroundwaterinteractionmodel
                                         positionedontheairentryplane

                                                        1,2
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                           ZHANGLin ,CHENGDawei ,ZHANHongbing,YANGShengke ,
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                                      LIANGXiuyu,ZHANGXiaofei,JINHaoying
               (1.SchoolofWaterandEnvironment,Chang’anUniversity,Xi’an710064,China;2.KeyLaboratoryofSubsurfaceHydrology
               andEcologicalEffectsinAridRegion(Chang’anUniversity),MinistryofEducation,Xi’an710064,China;3.Departmentof
                  GeologyandGeophysics,TexasA&MUniversity,CollegeStationTX778433115,U.S.A.;4.SchoolofEnvironmental
                         ScienceandEngineering ,SouthernUniversityofScienceandTechnology,Shenzhen518055,China;
                          5.Xi’anQujiangMeibeiLakeInvestmentandConstructionCo.,Ltd.,Xi’an710300,China)
                 Abstract:Stream-groundwaterinteractionsarecrucialforthestreamandsurroundingecosystemconser
                 vation,whichalsohaveagreatimpactonsustainablewaterresourcesutilizationandwaterenvironment
                 protection.Toaddressthelimitationsofpreviousstudiesinlocatingthefreesurfaceatthewatertable ,
                 thispaperadoptstheBoussinesqequationasthegoverningequationtoconstructastream-groundwater
                 interactionmodellocatedattheairentryplane.Laplacetransformisusedtoobtaintheanalyticalsolution
                 ofthemodel ,andacorrespondingparameterinversionmodelisconstructedinthemeantime.Bycompa
                 ringtheanalyticalsolutionwiththenumericalsolutionofsaturated-unsaturatedseepage,thevalidityof
                 theproposedmodelisverified.Subsequently,aparametersensitivityanalysisisconductedtoinvestigate
                 thevariationsinairentryplaneelevation.Thecalculationmethodanddistinctivefeaturesofverticalve
                 locityattheairentryplanearediscussedbasedontheseepagecontinuityequationandwaterbalancere
                 lationship.ThefindingsdemonstratethattheBoussinesqstream-groundwaterinteractionmodelisinex

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