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AssessmenttheimpactoftheNationalWaterNetworkonwatershortagesin
Chineseprefecture - levelcities
1,2
1,2
1,2
1,2
1,2
SHEYunlei ,CAOYiyi ,ZHOUQi ,LIUZhouyi ,LINJin ,QUShen 1,2
(1.SchoolofManagement,BeijingInstituteofTechnology,Beijing 100081,China;
2.CenterforEnergy&EnvironmentalPolicyResearch,BeijingInstituteofTechnology,Beijing 100081,China)
Abstract:ToassesstheeffectivenessoftheNationalWaterNetwork(NWN)inalleviatingwatershortagesinChi
na ’sprefecture - levelcities,thispapercollectsdetaileddataonwaterdiversionprojectsthatwerecompletedand
begansupplyingwaterbytheendof2022.Thewatershortagesituationineachprefecture - levelcitywasevaluated
undertwoscenarios :withandwithoutwaterdiversionprojects,inordertoanalyzetheimpactofNWNonallevia
tingwatershortages.Thestudyshowsthat ,withoutwaterdiversionprojects,95citiesinChinafacewatershorta
3
ges ,withanannualaveragewatershortageof50.56billionm .Bytheendof2022,atotalof76waterdiversion
projectshadbeencompletedandputintooperation,withadesignedwaterdiversioncapacityofapproximately66.8
3
billionm peryear.ThewaterallocationenabledbytheNWNcanalleviatewatershortagesin62cities,with31of
thesecitiestransitioningfrom water - deficienttowater - sufficient ,mainlyconcentratedintheBeijing - Tianjin -
HebeiregionandpartsofHenanandZhejiangprovinces.Additionally ,theNWNhasincreasedtheproportionofa
vailablewaterinsomeprovincialcapitalssuchasXi ’an,Changchun,andGuangzhou,aswellaseconomically
developedcitiessuchasDalian ,Luoyang,andYantai,ensuringstableandsecureurbanwatersupplies.The
findingsofthisstudyprovideareferenceforfutureplanningoftheNWNandadjustmentstorelatedindustrialpoli
cies.
Keywords:nationalwaternetwork;watertransferproject;waterresourceallocation;watershortage;effective
nessassessment
(责任编辑:韩 昆)
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