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1、JournalofWaterResourcesResearch水资源研究,2015,4(6),567-575PublishedOnlineDecember2015inHans.http://www.hanspub.org/journal/jwrrhttp://dx.doi.org/10.12677/jwrr.2015.46071TheNumericalSimulationStudyonAquiferRechargeintheGroundwaterFunnelAreainLinqingCity,ShandongProvinceQiangHuang1,GuanghaoSun2,Jinchao
2、Li1,WeipingWang1*1ShandongProvincialEngineeringTechnologyResearchCenterforGroundNumericalSimulationandContaminationControl,SchoolofResourceandEnvironment,UniversityofJinan,JinanShandong2WaterConservancyBureauofLinqingCity,LinqingShandongthstthReceived:Nov.17,2015;accepted:Dec.1,2015;published:Dec
3、.11,2015Copyright©2015byauthorsandHansPublishersInc.ThisworkislicensedundertheCreativeCommonsAttributionInternationalLicense(CCBY).http://creativecommons.org/licenses/by/4.0/AbstractWell-canalcombinedirrigationmodeisadoptedinthelowerreachesofirrigatedareaintheYellowRiverfloodplain.Thediversiontim
4、eandvolumearelimitedbytheupperreaches.Inaddition,theshal-lowgroundwateroverdraftisseriousinthisarea.Inthisstudy,basedontheengineeringtechnology,howtoincreasetherechargevolumeofgroundwaterinthelimiteddiversiontimetoeasethelong-termdownwardtrendofwatertablewasdiscussed.Thenumericalsimulationwascarr
5、iedouttotheopencanal-undergroundperforatedpipe-shaftsystemwhichwasimplementedinthegroundwaterfunnelareainLinqingcitybasedonHydrus-2Dmodelintwoscenarios:theopencanalandundergroundperfo-ratedpiperespectively;thediversiontimewas7daysintheactualengineeringoperationandnumericalsimulation.Thesimulation
6、resultsshowthat:duringthewholesimulationperiod,thelevelwhichisun-dertheopencanalrose13minscenarioone;thelevelwhichisundertheperforatedpiperose8.5mandthelevelbetweentwopipesrose2.3minscenariotwo.Inthemeantime,theperforatedpipecaneffi-cientlyincreasetherechargevolumeofundergroundwater.Totheendofthe
7、simulation,therechargevolumeoftheopencanalwas18,026m3,andthatofthreeperforatedpipeswas56,224m3whichwas75.7%ofthetotalrechargevolume.Theresultwasbasicallyaccordedwiththeactualmonitoringvalue.Thereforethesystemplaysagood
