天津空气环境质量airqualityintianjin-CleanAirAsia课件

TheTechnicalSupportSystemofAmbientAirQualityManagementinTianjin1.TIANJINOneoftheimportanteconomiccentersandportsinthenorthofChinaTotalarea：11919km2Built-uparea：371km2Population:10millionBinhainewareaofTianjin(BNAT)：350km22.Bohai大港区汉沽区东丽津南塘沽区开发区BNATislocatedatBohaiBayRimcitybeltwithanareaof2270km2

Theareaofplanedkeyconstruction:350km2.positionofBNAT保税区、天津港3.BackgroundObjectivesandmeaningsContentTechnologiesBasis4.BackgroundTianjinwasgrantedthetitleof“NationalModelCityofEnvironmentalProtection”in2005ThepercentageofdaysattaininggradeIIoftheambientairqualitystandardduring2002-20055.Background

Undertherapideconomicdevelopmentandincreasingenergyconsumption,theTianjinairqualityisfragile.Thecoalconsumptionduring2000-20046.ThehazehauntedtheskyofTianjinunderthedisadvantageousmeteorologicconditions.

Tianjinhadabadairqualityon2-7November2005.

1dayofheavyairpollutionwithAPIof3402daysofmoderate-heavyairpollutionwithAPIof267-2792daysoflightheavyairpollutionwithAPIof191-1551dayofslightairpollutionwithAPIof113Background

7.On3-4November2005BeijingTianjinShijiazhuangAPI:279-340，Heavyormoderate-heavyairpollutionTheregionalcharacteristicoftheheavyairpollution8.Thesmokepollutioncausedbycoalburninghasn’tresolvedyet,theurbanairpollutionhasbeguntotransformfromsmoke-typetocomplex-type,whichismarkedbytheemergenceofnewpollutantssuchasaerosols,fineparticlematters,ozoneandsoon.Background

9.TIANJINCENTRALURBANAREA10.Background北辰科技园测点二氧化氮日变化曲线图ThedailychangeofNO2concentrationstandard11.BackgroundOzonepollutionisemergingwiththerapidincreaseofvehicleownership05.9.7臭氧日变化曲线图standard12.ProjectmeaningsItisabigchallengeforTianjintokeepthegoodurbanairquality13.Meetthescientific,informative,quantitativeandlegalrequirementsofairqualitymanagement.Establishanintegratedsystemofairqualitymanagementinvolvedenvironmentmonitoring,forecastandpre-warningandenvironmentalcapacitymatch.Projectmeanings14.MaincontentEstablishTianjinGISdynamicassessmentdatabasesystemofairpollutionsources.IntegratedmeteorologicalandgeographicfactorsintothemodelEstablishairqualitydecomposesysteminordertoprovidevisualizedmodelsystemofairqualitypictureEstablishTianjinregionalambientairqualityandcapacitymatchmanagementsystemtoprovidetechnicalsupportfortheairqualitymanagementduringthe11thFive-YearPlanperiodEstablishTianjinambientairqualitypre-warningandresponsesystem15.ProjectContent16.ProjectsContent17.ProjectContent18.TheestablishmentofairqualityexplainandanalysissystemTheestablishmentofairqualitymonitoring

database

Weather-AirQualitymodelestablishment

Byanalyzingtheweathercharacteristicoftheheavyairqualityday(e.g.thehazeweather),thecountermeasurescanbeselectedundersuchweathercondition.ProjectContent19.TheregionalambientairqualitycapacityandtotalamountdistributionmanagementsystemBasedonthedynamicambientaircapacity,consideringtheallowableemissionamountofvariouspollutionsourcesunderacertainmeteorologicalconditions,areasonablepollutionemissiondistributioncanbedesignedfromtheautonomousadjustmentofpollutionsourcesofthemodel.

ProjectContent20.emission<capacityRegionalemissionofthepollutionsourcesPollutionsourcesdistributionPollutionsourcesadjustmentmeasuresEmissionofthepollutionsourcesNopollutionadjustmentmeasuresareneededemission>capacityAirqualitymimicsaftertheadjustmentofpollutionsourcesDoespollutionstillexist?YesNoDecidedpollutionsourcesadjustmentmeasuresEconomicfactorsProjectContentweatherclassificationCapacityandtotalamountmodelDifferentenvironmentalcapacityunderdifferentweather21.ProjectContent22.FastdiagnosissystemofairpollutionAirqualitymonitoringAirqualityforecastWeather–airqualitymodelIdentificationofairpollutionthresholdPre-planofpreventionandcontrolofpollutionriskFastdiagnosissystemofairpollutionFastforecastofrespondingairqualityProjectContent23.Projectbasis24.TheongoingresearchesrelatedtoambientairpollutioncontrolTianjinairpollutionriskassessment,pre-warningandforecastsystemTheresearchonTianjinozone