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村镇地表水体水质监测点优化布置与水质评价方法研究.docx

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村镇地表水体水质监测点优化布置与水质评价方法研究 Abstract Inrecentyears,therehasbeengrowingconcernaboutthequalityofsurfacewaterinruralareas,asitplaysacriticalroleinsupportinghumansociety.Thispaperfocusesontheoptimizationofthelayoutofmonitoringpointsforsurfacewaterqualityinruralareasandthedevelopmentofawaterqualityevaluationmethod.Acombinationoftheoreticalanalysisandexperimentalverificationwasusedinthestudy.Theresultsshowedthattheoptimaldesignofmonitoringpointscaneffectivelyreflectthequalityofsurfacewaterinruralareas,andthedevelopmentofanewevaluationmethodcanbetterevaluatethewaterquality. Introduction Surfacewaterisanessentialnaturalresourceinruralareas,asitprovidesvaluableservicessuchasirrigation,transportation,anddomesticuse.However,thequalityofsurfacewaterhasbeenaffectedbyavarietyoffactors,includinghumanactivities,naturalphenomena,andpollution.Therefore,monitoringthequalityofsurfacewaterinruralareasisessentialfortheprotectionofhumanhealthandtheenvironment.Inthisstudy,weaimtooptimizethelayoutofmonitoringpointsforsurfacewaterqualityinruralareasanddevelopanewevaluationmethodtobetterevaluatethewaterquality. Methods Thestudywasconductedinseveralruralareas,andthemonitoringpointswerelaidoutaccordingtodifferentscenarios.Thewaterqualitywasmonitoredateachmonitoringpoint,andtheresultswerecomparedandanalyzed.Thecharacteristicsofthewaterqualityweredeterminedbasedontheconcentrationofvariouspollutants,suchasnitrogen,phosphorus,andCOD.Anewevaluationmethodwasdevelopedbasedontheresultsofthemonitoring,incorporatingtheprincipleoffuzzymathematicsandmulti-criteriadecision-making. Results Theresultsshowedthatthelayoutofmonitoringpointsiscriticaltoeffectivelyreflectingthequalityofsurfacewaterinruralareas.Themonitoringpointsshouldbelocatedinareaswherethewaterqualityismostrepresentative,suchasnearthesourcesofpollution.Thenewevaluationmethodcanbetterevaluatethewaterqualitybytakingintoaccountvariousfactors,suchasseasonalvariations,pollutantlevels,andwaterqualitystandards.Thecomparisonwiththetraditionalevaluationmet