Page 31 - 《水资源与水工程学报》2022年第3期
P. 31

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

            DOI:10.11705/j.issn.1672-643X.2022.03.04


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                 8IBJK:TV61   LMNOP:A    LQRK:1672643X(2022)03002706

                          ImpactoftheXiaolangdiWaterConservancyComplexon
                                         localclimateinsurroundingarea

                                       SHANGWenxiu,XUMingyi,YANDengming
                                (YellowRiverEngineeringConsultingCo.,Ltd.,Zhengzhou450003,China)

                 Abstract:Inordertoaccuratelyquantifytheimpactofthereservoironthesurroundinglocalclimate,a
                 quantitativeanalysismethodofreservoirimpactisproposed.TakingtheXiaolangdiWaterConservancy
                 Complexasanexample ,basedonthemeasureddatabeforetheconstructionofthereservoir,thecorrela
                 tionbetweenclimaticindicatorsofthesurroundingstationsandthereferencestationswasestablishedto
                 predictsimulatedclimaticindicatorsunderthescenarioofnoreservoirintheevaluationperiod,which
                 werethencomparedwiththemeasuredclimaticindicatorstoquantifytheimpactofthereservoironthe
                 surroundinglocalclimate.TheresultsshowthattheXiaolangdiWaterConservancyComplexplayedan
                 importantroleinloweringtemperatureandincreasingrelativehumidityannuallyandinterannuallyduring
                2000-2019 ,whichloweredtheannualaveragetemperatureby0.46℃ andincreasedtheannualaver
                 agerelativehumidityby3.78%;theclimateregulationeffectoftheXiaolangdiWaterConservancyCom
                 plexweakenedtheimpactofregionalaridity ,comparedwith1980-1999,theincreaseoftemperaturein
                 surroundingmeteorologicalstationswas0.33℃ smallerthanthoseinthereferencestationsandthede
                 creaseofrelativehumiditywas4.29% smallerduring2000-2019.Theproposedquantitativeanalysis
                 methodofreservoirimpacteliminatestheimpactofregionalclimatechangeonlocalclimatechangea
                 roundthereservoir ,andimprovestheaccuracyoftheanalysisresults.
                 Keywords:quantitativeanalysismethodofreservoirimpact;localclimate;temperature;relativehumid
                 ity ;theXiaolangdiWaterConservancyComplex






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