高原湖泊流域分区水环境承载状态评价及污染负荷总量分配研究

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文章编号：1674-6139（2026）04-0172-06

中图分类号：X820.3文献标志码：B

Research on Evaluation of Water Environment Bearing State and Distribution of Total Pollution Load in Plateau Lake Basin Control area

Kong Yan 1，2 ，Su Bin³， Zhang Xiaoxu 1，2 ，Tang Cheng 1，2 ，Feng Haitao 1，2

（1.Yunnan Institute of Environmental Science，Kunming 65o034，China；

2.Yunnan KeyLaboratoryofPollution Processand Managementof PlateauLake Watershed，Kunming 650o34，China; 3.Faculty of Geography，Yunnan Normal University，Kunming 650034，China）

Abstract：Thecoordinatingpolutiondischargewiththecapacityof thewaterenvironmentinlakesontheYunnanPlateaus havere ceivedextensiveatention.BasedontheTMDLconceptandthefairnessprinciple，thestudyfocusesonYilongLakeinYunanProvince， constructedamethodsystemforpolltioncontrolzoningandloaddistributionofplateaulakes.Theresultsshowthatthedischargeandinflowof pollution load inYilongLakehave exceeded thetargetwater environmentcapacityofClassIVand Class II water quality，with CODpolutionloadoverloadbingparticularlyprominentTherearebviousdiferencesbetweenpointsourceandnon-pointsourcello cationandreductionamountofeachcontrolunit.Chenghesub-basincontrolunitplaysacrucialroleinbasinwidefortstowardscontrolingpllutionnditspltionreductionsouldfcusonothpointsourceandnonpointsou，hiletheotercontroluitsfocs ononpointsuceltioductio.TelaductoprsuillfurtrcreaseinClassIwateualitrgesa

Key words：water environment bearing state evaluation;control unit;TMDL;polutant load alocation

前言

云南高原湖泊多为断裂构造形成的半封闭水体，换水周期长导致污染物易累积[1]。（剩余5400字）