流域产水量模拟及关键产水功能区鉴别

——以彦吉嘎河流域为例

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关键词彦吉嘎河流域；产水；关键产水功能区；SWAT中图分类号X171 文献标识码A文章编号 0517-6611（2025）14-0192-06doi：10.3969/j.issn.0517-6611.2025.14.038

开放科学（资源服务）标识码（OSID）：

Simulationof WatershedWater Yieldand IdentifcationofKeyWater YieldFunctionalAreas—Taking theYanjiga River Basinasan Example

GUO Ming-jie²，SUNRan，YIZheng'etal（1.State KeyLaboratoryofUbanand RegionalEcology，Research CenterforEcoEnvi ronmentalSciences，ChineseAcademyofSciences，Beijingo85;2.UniversityofhineseAcademyofSciencs，eijing0049）

AbstractTakingYanjigaRiverBasininXiwuzhumuqinBanner，InnerMongoliaastheresearcharea，theSWATmodelisappliedtosiulate thewateryieldprossoftsinAodigtoealysisftespatiotempaldistrutionractestsofateyeldisbbsins，te unitareandexmethodisusedtoeterinethewateyeldintesityofeachsubbasinand5levelsaredividedtoidentifyteeyfunctioal areasfwateryeld.Gogaicdeteisedtoeplorethomnanfctorigtespatialterogeeiyfwateryieldete shed.Teresultsshowthat：eareas withighwaterieldinYanjigaRiverBsiareconcentratedintecentral，weste，ndoaste partsofthebasinhilesbsis5，9，1，3，nd15rekeuctioaeasforwaterieldndreqiespecialatentiondottio Thewateryieldvauesoftefivekeysubbasinswererelativelyhighin2011，212，2O14，andO15，ndthetemporalvatiopaesof annualwateryeldandaualinfallwerebasialyonsistent;Temonthlywateryieldresulssowtatthefivesubbasinshaveerater yieldfromJunetoSptembe，withthhigheswateryieldinJuly，hichisasicallsychronzedwiththelocaliyseason.forte rainyseasoneveryarisucialtifowaterieldprotetioTesultsfgeodeetoridicatetatateistdantacfet ingthpatialdiferentiatoofwaterieldinYanjigRiverBasinetestrongestexplanatoryfactosforaterieldeevapotrasia tion，precipitation，and temperature，with q values of 0.171， 0.122，and O.12O，respectively. The interaction between factors has a greater impactnthspatialstributiopateofaterieldtanteimpactofidividualfctosBasedonquatitatiesiuaoofwateeldite watershed，ametodfordentifingkeyateryedngfunctioalaeashasnestablishd，ichanprovdeeferenefrtesstaiable tilization and allocation management of water resources in arid and semi-arid grassland areas.

Key WordsYanjiga River Basin; Water yield;Key water yield functional area;SWAT

生态系统服务作为连接自然生态系统和人类福祉的桥梁，在维护生态安全、增进人类福祉和实现可持续发展方面发挥着关键作用[1-2]。（剩余11919字）