Page 93 - 《水资源与水工程学报》2022年第3期
P. 93

!33 " ! 3 #                       & ' ( ) & * + , -                               Vol.33No.3
               2022 $ 6 %               JournalofWaterResources&WaterEngineering                 Jun.,2022

            DOI:10.11705/j.issn.1672-643X.2022.03.12


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                 8IBJK:TV213.4   LMNOP:A    LQRK:1672643X(2022)03008909
                Studyonthewaterconservationfunctionandmineralwaterdevelopment
                         thresholdofnorthernslopewatershed ,ChangbaiMountain


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                  SUNWenhao ,BIANJianmin ,LIYihan ,LIJialin ,SUNXiaoqing ,WANGYu                     1,2
             (1.KeyLaboratoryofGroundwaterResourcesandEnvironment,MinistryofEducation,JilinUniversity,Changchun130021,China;
                            2.CollegeofNewEnergyandEnvironment,JilinUniversity,Changchun130021,China)
                 Abstract:MineralwaterresourcesareabundantonthenorthernslopeofChangbaiMountaininJilin
                 Province.Findingoutthewaterconservationpotentialofthisareaiscrucialtotherationaldevelopmentof
                 mineralwaterresources.InVESTmodelisusedtocalculatewaterconservationandtheimpactfactors,
                 andLogisticmodelandecologicalbaseflowtheoryareadoptedtocalculateandevaluatethedevelopment
                 thresholdofmineralwater.Theresultsshowthatthetotalamountofwaterconservationinthenorthern
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                 slopeofChangbaiMountainincreasedfrom1.4×10m in2000to1.68×10m in2020.Climateisthe
                 maininfluencingfactorofwaterconservation,controlling88.2% ofthestudyarea;however,climateand
                 landusejointlypromotedtheincreaseofwaterconservationintheareaswithincreasedvegetationcover
                                                                      3
                 age.Therecommendedecologicalbaseflowis1.014-1.244m /s,andtherecommendedminingcoeffi
                 cientsforthesourceareaandmiddle&lowerreachesoftheriverare0.36-0.46and0.4-0.5 ,re
                 spectively.Atpresent ,theexploitationdegreeofmineralwaterisfarbelowthethresholdvalue,sothe
                 miningcanbecontinued.Inthispaper ,therelationshipbetweenwaterconservationandmineralwateris
                 clarified,vastforestareacultivatedalargeamountofwaterresources,andhighwaterconservationcan
                 ensurethequantityandqualityofmineralwater ,whichissuitablefordevelopmentandutilization.The
                 demarcationofdevelopmentthresholdisconducivetothesustainabledevelopmentofmineralwater.The
                 researchresultswillhavepositivesignificancefortheecologicalprotectionofChangbaiMountainandthe

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