Page 26 - 《水资源与水工程学报》2022年第1期
P. 26
!33 " ! 1 # & ' ( ) & * + , - Vol.33No.1
2022 $ 2 % JournalofWaterResources&WaterEngineering Feb.,2022
DOI:10.11705/j.issn.1672-643X.2022.01.04
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BCDEF:TV211.1 2 GHIJK:A GLMF:1672643X(2022)01002209
Dynamicevaluationofgroundwaterexploitationintensity
basedonpartialconnectionnumber
MENBaohui,LIChen,YINShiyang
(SchoolofWaterResourcesandHydropowerEngineering,NorthChinaElectricPowerUniversity,Beijing102206,China)
Abstract:Inordertoreducetheimpactofhumanactivitiesongroundwaterandrealizethesustainableutili
zationofgroundwaterresources,itisnecessarytodynamicallyevaluatethegroundwaterexploitationintensi
tyfromspatialandtemporalperspectives.Basedonsetpairanalysis ,aspatiotemporaldynamicevaluation
modelwasestablished ,andthedynamicevolutionprocessofthedegreeofidentity,degreeofdiscrepancy
anddegreeofcontrarywasdiscussedbasedonthesecondorderpartialconnectionnumber ,bywhichthe
mainfactorsaffectingtheexploitationintensitywereidentified.Theresultsshowthatthegroundwaterexploi
tationintensityinDaxingDistrictkeptincreasingfrom2006to2016 ,andcentralregion>southernregion
>northernregiononthespatialdistribution.Thespatialandtemporaldistributioncharacteristicsofthein
tensitylevelinfluencedbythepopulation ,industrialoutputvalueandtertiaryindustryoutputvaluewere
rankedasfollows:northernregion>centralregion>southernregion,andthatbytheagriculturalplanting
areaandnumberofwellsweresouthernregion>centralregion>northernregion.Accordingtotheidenti
ficationresultsofthesecondorderpartialconnectionnumber,theinfluenceofthepopulation,industrial
outputvalueandtertiaryindustryoutputvaluewereimproving,butthatoftheagriculturalplantingareaand
numberofwellswereweakening.Thespatiotemporaldynamicevaluationmodelconstructedinthispaper
canaccuratelyreflectthegroundwaterexploitationintensitylevelanditsdynamicevolutionprocessinthe
studyarea ,andthecalculationissimple,soitisworthpopularizing.
Keywords:groundwaterexploitationintensity;partialconnectionnumber;spatialandtemporaldistribu
tion ;dynamicevaluation
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