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
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3IJKL:TV133;P641 MNOPQ:A MRSL:1672643X(2024)06005409
Boussinesqstreamgroundwaterinteractionmodel
positionedontheairentryplane
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ZHANGLin ,CHENGDawei ,ZHANHongbing,YANGShengke ,
5
4
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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,CollegeStationTX778433115,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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