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JiziwanwaternetworkintheYellowRiverBasin:conceptualizingtheeastextension
projectofthewestrouteoftheSouth - to - NorthWaterDiversion
ZHAOYong,WANGHao,DENGMingjiang,HEGuohua,HEFan,WANGYong
(StateKeyLaboratoryofSimulationandRegulationofWaterCycleinRiverBasin,
ChinaInstituteofWaterResourcesandHydropowerResearch,Beijing 100038,China)
Abstract:TheJiziwanisthecoreareafortheimplementationofmajornationalstrategiesoftheecologicalconser
vationandhigh - qualitydevelopmentoftheYellowRiverBasin.However ,regionaldevelopmentofJiziwanhas
beenseverelyrestrictedbytheshortageofwaterresourcesforalongtime.TheproposedschemeoftheJiziwanwater
networkoftheYellowRiveristotransferwaterintotheTaoheRiverwiththehelpofthewestrouteoftheSouth - to -
NorthWaterDiversionProject.BytakingfulluseoftheelevationdifferencebetweentheTaoheRiverandtheJiz
iwanareaoftheYellowRiver ,itwilltraversetheTaoheRiverandWeiheRiverwatershedintheform oftunnels
andextendtoLoessPlateauandotherareas.Thewholeprocessofartesianwaterisdivertedtothehighlandofthe
BaiyuMountaininthemiddlepartoftheJiziwan ,forminganartificial“waterridge”.Takingitastheaxis,thear
tesianflowradiatesrespectivelytoeast,northandsouthforthethreemajordevelopmentzones,successivelycross
ingthenaturalriversystemssuchastheWeiheRiveranditstributariesXianhe ,Sandu,NanheandHulurivers,
andPuheandMalianriversastributariesoftheJingheRiver,aswellasQingshui,Tianshui,Beiluo,Wuding
andYanherivers ,formingtheoverallframeworkoftheJiziwanwaternetworkwith“oneaxis,threebeltsandten
areas ”.Accordingtotheideaofwatersupplytargethierarchicalplanningandstep - by - stepimplementation,the
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appropriatewaterdiversionscaleisproposedtobe2.5to5.4billionm .TheJiziwanwaternetworkoftheYellowRiv
erisasupportingconceptfortheeastextensionofthewestrouteoftheSouth - to - NorthWaterDiversionProject ,
whichisanimprovementofthewestrouteplan.Itcanachievehighwaterhighuseanddedicatedlinededicateduse,
andcanalsoopenupthe“WeiheRiverChannel”forwaterdeliveryonthewestrouteoftheSouth - to - NorthWater
DiversionProject,realizingtheoptimizedpatternof“three - linewaterdistribution”.Throughthe“complementary
andmutual - aid ”betweentheWaterDiversionProjectfrom HanRivertoWeiheRiverandthemiddlelineofthe
South - to - NorthWaterDiversionProject ,thewatersupplyguaranteerateinthereceivingareaofthemiddlelineof
theSouth - to - NorthWaterDiversionProjectandtheJiziwanareawillbeimproved.TheconstructionoftheJiziwan
waternetworkoftheYellowRiverisofgreatsignificancetosystematicallysolvetheproblemofregionalwaterresource
constraintsandpromotetheecologicalprotectionandhigh - qualitydevelopmentoftheYellowRiverBasin.
Keywords:YellowRiver;Jiziwanwaternetwork;westrouteofSouth - to - NorthWaterDiversion;highqualityde
velopment
(责任编辑:于福亮)
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