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无锡市城区降雨特征对径流污染的影响分析.docx

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无锡市城区降雨特征对径流污染的影响分析 Title:TheImpactofRainfallCharacteristicsonRunoffPollutionintheUrbanAreaofWuxiCity Abstract: Urbanizationhasledtosignificantchangesintheurbanhydrologicalcycle,resultinginthedeteriorationofwaterqualityinurbanareas.ThisstudyaimstoanalyzetheinfluenceofrainfallcharacteristicsonrunoffpollutionintheurbanareaofWuxiCity.Throughanalyzingtherelationshipbetweenrainfallcharacteristics(intensity,duration,andfrequency)andrunoffpollution,thisstudyprovidesvaluableinsightsintourbanstormwatermanagementandpollutionpreventionstrategies. Introduction: TheurbanareaofWuxiCityhasexperiencedrapideconomicdevelopmentandurbanizationinrecentyears,whichhasresultedinvariousenvironmentalchallenges,includingrunoffpollution.Rainfallisakeydriverofrunoffpollution,asitmobilizespollutantsfromlandsurfacesintoriversandlakes.Understandingtheimpactofrainfallcharacteristicsonrunoffpollutionisessentialforeffectivewaterpollutioncontrolandurbanplanning. Methodology: -DataCollection:RainfallrecordsandwaterqualitymonitoringdatawerecollectedfortheurbanareaofWuxiCityoveraspecificperiod. -RainfallCharacteristics:Rainfallintensity,duration,andfrequencywereanalyzedusingstatisticalmethods. -RunoffPollutionAnalysis:Waterqualityparameters,suchasconcentrationsofnutrientsandheavymetals,werecomparedwithrainfallcharacteristicstoidentifypotentialrelationships. -StatisticalAnalysis:Regressionanalysisandcorrelationanalysiswereemployedtoevaluatethesignificanceoftherelationshipsbetweenrainfallcharacteristicsandrunoffpollution. ResultsandDiscussion: Theanalysisrevealedasignificantrelationshipbetweenrainfallcharacteristicsandrunoffpollution.Intenserainfalleventswerefoundtohaveamoresignificantimpactonrunoffpollutioncomparedtolightrainfallevents.Highrainfallintensityleadstoincreasedsurfacerunoff,resultinginhigherpollutantloads.Thedurationofrainfallwasfoundtobepositivelycorrelatedwithrunoffpollution,aslongerdurationallowsmoretimeforpollutantstoaccumulateandbetransportedbyrunoff.However,therelationshipbetweenrainfall