乌梁素海主要污染物变化及影响因素分析

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中图分类号： TV211.1+1 文献标志码：A doi： 10.3969/j.issn.1000-1379.2025.08.024引用格式：，，，等.乌梁素海主要污染物变化及影响因素分析[J].人民黄河，2025，47（8）：146-152.

Analysis of the Characteristics and Impacts of Major Pollutants in Wuliangsuhai Lake

HANG Haowen¹， ZHANG Huimin²， JIN Xiaohui²，LIU Huaiyu'，DU Zhankuan¹， XIE Zhonghua.Inner Mongolia Hetao Irrigation Area Water Resources Development Center，Bayannur O15Ooo，China

2.Yellow River Institute of Hydraulic Research，YRCC， Zhengzhou 45O0O3，China）

Abstract：WuliangshaiLakeisniportantologicalbaierinteYelowRiverBasin，andthewaterecoogicalevironmnthasbeen graduallimprodutthraestlloutstadingissussuchswaterualitytionndologicalfuntiodgradatioOesisf analyzingthechangesofwaterquantityandqualityinWuliangsuhaiLake，theinfluencingfactorsdrivingthechangesofwaterqualityinthe lakewereanalyzed.Teresultsshowthatthelakehasbasicallforedarelativelystablelakeformwithlakesufacearea，lakelvelndwaterstoragoueafterdevelopent.TeinflowofwaterintoWuliangsuhaiLakefluctuates，andteecologicalwaterreplenishnteffectis obvious.Thewaterqualityoftheiflowandthelakebodyhasbeensignificantlyimproved，andthevariationwithintheyearofeachwater qualityindicatorfuctuatesgreatlyfroJuarytoMarch，ndonninter-anualsaleallfourtypicalwaterqaltindicatorssowadown wardtrend.EcoogicalwatereplenisentisipoantasonforthmprovementofwaterqualityinthWliagsuhiLakeialy ontheductioofODndtotaltrognmassoctratioofeleofebus，guluralpltioisstillteinsoeofpol lutionofthewaterodyoftelak，thebotooftelakesdimentnegativeipactisaduallincreasingndquaticplants，ileip ving water quality，pose a risk of causing water pollution due to their own decomposition.

Key words：water volume；water quality；pollutant characteristics；Wuliangsuhai Lake

0 引言

乌梁素海是黄河流域重要的生态屏障，也是黄河流域生物多样性保护的重要地区和候鸟迁徙的重要通道[-2]。（剩余8200字）