Page 19 - 《水资源与水工程学报》2023年第4期
P. 19
!34 " ! 4 # & ' ( ) & * + , - Vol.34No.4
2023 $ 8% JournalofWaterResources&WaterEngineering Aug.,2023
DOI:10.11705/j.issn.1672-643X.2023.04.03
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MNOPQ:P339;P342 7RSTU:A 7VWQ:1672643X(2023)04001508
Groundwaterisotopehydrochemicalcharacteristicsandtheinteractionsbetween
precipitationriverandgroundwaterintheWulanmulunRiverBasin
1,2
1
1
1
1
DAIBin,GUOQiaoling ,CHENZiying,ZHANGXiaomeng,YURong
(1.SchoolofWaterResourcesandEnvironmentalEngineering,EastChinaUniversityofTechnology,Nanchang330013,China;
2.StateKeyLaboratoryofNuclearResourcesandEnvironment,EastChinaUniversityofTechnology,Nanchang330013,China)
Abstract:Itisofgreatsignificancefortheexploitationandutilizationofwaterresourcesinthebasinto
studytheisotopehydrochemicalcharacteristicsandtheinteractionsbetweentheriverwaterandgroundwa
ter.Here ,theWulanmulunRiverBasinintheYellowRiverBasin,whichislocatedinShenfuDongsh
engCoalfield ,istakenastheresearchobjectandthestatisticalanalysis,Piperdiagramandtwoendme
tamodelastheresearchmethods.Thechemicalcharacteristics,hydrogenandoxygenstableisotopic
characteristicsanddistributionoftheprecipitation ,riverwater,groundwater(includingminedrainage
anddomesticwellwater)inthebasinareanalysedtoexplorethesupplyrelationshipbetweentheprecipi
tation ,riverwaterandgroundwater.Thehydrochemicalanalysisshowsthatthehydrochemicaltypesof
riverwaterareHCO -NaandHCO +SO -Na,minedrainagewaterareHCO -Na,HCO +Cl-Na
3
4
3
3
3
andHCO +SO -Na,domesticwellwaterisHCO -Ca.Minedrainagewateriscloselyrelatedtoriver
3
3
4
water.Isotopicanalysisshowsthatgroundwateriscoreplenishedbyatmosphericprecipitationandriver
water ,andthereisahydraulicconnectionbetweenthethreeandacertaindegreeofwatertransformation
canbespottedaswell.Whenthedepthofgroundwaterwellisshallowerthan135m ,thecontributionof
riverwatertoitsrechargeis58.47% -80.94% ,andwhenthedepthofgroundwaterwellisdeeperthan
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