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:1672643X(2022)03002706
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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