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东营地区雾霾变化特征及其低能见度影响因子分析.docx

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东营地区雾霾变化特征及其低能见度影响因子分析 Title:AnalysisofVariationCharacteristicsofHazeinDongyingAreaandFactorsAffectingLowVisibility Abstract: ThepurposeofthisstudyistoanalyzethevariationcharacteristicsofhazeanditsimpactonlowvisibilityinDongyingarea.Theanalysisfocusesonidentifyingthemainfactorscontributingtotheformationofhazeandexploringtheirimpactonvisibility.Theresearchfindingsprovidevaluableinsightsforunderstandingthecausesofhazeandformulatingeffectivestrategiestomitigateitsadverseeffects. 1.Introduction Hazehasbecomeoneofthemostpressingenvironmentalissuesworldwideduetoitsdetrimentaleffectsonhumanhealthandtheenvironment.Dongying,locatedineasternChina,isknownforitsextensiveindustrialactivitiesandhighpollutionlevels.Therefore,studyingthevariationcharacteristicsofhazeinthisregionisessentialtoaddresstheissueeffectively. 2.Methodology Inthisstudy,dataonairqualityindex(AQI),particulatematter(PM)concentration,meteorologicalfactors,andvisibilitywerecollectedfromtheDongyingEnvironmentalMonitoringCenter.Statisticalanalysiswasconductedtoexplorethecorrelationbetweenthesefactorsandtoidentifythekeyfactorsaffectinglowvisibilityunderhazeconditions. 3.VariationCharacteristicsofHazeinDongyingArea Theanalysisofhistoricaldatarevealedsignificantvariationsinhazeoccurrenceandintensityovertime.Thehighhazeoccurrencewasmainlyobservedinthewintermonths,whiletheintensityvariedbetweenmoderatetoseverelevels.Thissuggestsaseasonalvariationinhazeformationanditspotentialcausesintheregion. 4.FactorsContributingtoHazeFormation 4.1ParticulateMatter(PM):PM2.5andPM10werefoundtobethemainpollutantsresponsibleforhazeformation.Industrialemissions,vehicleexhaust,andcoalburningwereidentifiedastheprimarysourcesofPMinDongyingarea. 4.2MeteorologicalFactors:Meteorologicalconditions,suchastemperature,humidity,windspeed,andatmosphericstability,significantlyinfluencehazeformation.Temperatureinversions,lowwindspeeds,andhighhumiditywerefoundtoexacerbatehazeformationandreducevisibility. 4.3GeographicFactors:Dongying'sgeographicallocat