天津空气环境质量airqualityintianjin-CleanAirAsiaPPT课件.ppt

The Technical Support System of Ambient Air Quality Management in Tianjin1.TIANJINOne of the important economic centers and ports in the north of ChinaTotal area：11919 km2Built-up area：371 km2Population:10 millionBinhai new area of Tianjin(BNAT)：350km22.Bohai大港区大港区汉汉沽区沽区东丽东丽津南津南塘沽区塘沽区开开发发区区BNAT is located at Bohai Bay Rim city belt with an area of 2270 km2 The area of planed key construction:350km2.position of BNAT保税区、保税区、天津港天津港3.BackgroundObjectives and meaningsContentTechnologiesBasis4.BackgroundBackgroundTianjin was Tianjin was granted the granted the title of title of“National“National Model City of Model City of Environmental Environmental Protection”in Protection”in 20052005The percentage of days The percentage of days attaining grade II of the attaining grade II of the ambient air quality ambient air quality standard during 2002-2005standard during 2002-20055.BackgroundBackground Under the rapid Under the rapid economic economic development and development and increasing energy increasing energy consumption,the consumption,the Tianjin air quality Tianjin air quality is fragile.is fragile.The coal consumption during 2000-2004The coal consumption during 2000-20046.The haze haunted the sky of Tianjin under the The haze haunted the sky of Tianjin under the disadvantageous meteorologic conditions.disadvantageous meteorologic conditions.Tianjin had a bad air quality on 2-7 November 2005.Tianjin had a bad air quality on 2-7 November 2005.1 day of heavy air pollution with API of 340 1 day of heavy air pollution with API of 340 2 days of moderate-heavy air pollution with API of 267-279 2 days of moderate-heavy air pollution with API of 267-279 2 days of light heavy air pollution with API of 191-155 2 days of light heavy air pollution with API of 191-155 1 day of slight air pollution with API of 113 1 day of slight air pollution with API of 113BackgroundBackground 7.On 3-4 November 2005On 3-4 November 2005BeijingTianjinShijiazhuangAPI:API:279-340279-340，Heavy or moderate-heavy Heavy or moderate-heavy air pollutionair pollutionThe regional characteristic of the heavy air pollution8.The smoke pollution caused by coal The smoke pollution caused by coal burning hasnt resolved yet,the urban burning hasnt resolved yet,the urban air pollution has begun to transform air pollution has begun to transform from smoke-type to complex-type,which from smoke-type to complex-type,which is marked by the emergence of new is marked by the emergence of new pollutants such as aerosols,fine pollutants such as aerosols,fine particle matters,ozone and so on.particle matters,ozone and so on.BackgroundBackground 9.TIANJIN CENTRAL URBAN AREA10.Background北辰科技园北辰科技园测测点二氧化氮日点二氧化氮日变变化曲化曲线图线图The daily change of NO2 concentrationstandard11.BackgroundOzone pollution is emerging with the rapid increase of vehicle ownership05.9.7臭氧日臭氧日变变化曲化曲线图线图standard12.Project meaningsIt is a big challenge for Tianjin It is a big challenge for Tianjin to keep the good urban air qualityto keep the good urban air qualityMaintain the model city of environmental protectionContinuously improve the urban air qualityRealize the plan of“Blue Sky Project”Ensure the constant rate of attaining standardProvide the environmental administrative departments with scientific and accurate pre-warning pollution informationEndeavor to fulfill the goal of ecological model city13.Meet the scientific,informative,quantitative and Meet the scientific,informative,quantitative and legal requirements of air quality management.legal requirements of air quality management.Establish an integrated system of air quality Establish an integrated system of air quality management involved environment monitoring,forecast management involved environment monitoring,forecast and pre-warning and environmental capacity match.and pre-warning and environmental capacity match.Project meanings14.Main contentMain contentEstablish Tianjin GIS dynamic assessment database system of air Establish Tianjin GIS dynamic assessment database system of air pollution sources.pollution sources.Integrated meteorological and geographic factors into the modelIntegrated meteorological and geographic factors into the modelEstablish air quality decompose system in order to provide Establish air quality decompose system in order to provide visualized model system of air quality picturevisualized model system of air quality pictureEstablish Tianjin regional ambient air quality and capacity Establish Tianjin regional ambient air quality and capacity match management system to provide technical support for the match management system to provide technical support for the air quality management during the 11th Five-Year Plan periodair quality management during the 11th Five-Year Plan periodEstablish Tianjin ambient air quality pre-warning and response Establish Tianjin ambient air quality pre-warning and response systemsystem15.vThe establishment of GIS dynamic management The establishment of GIS dynamic management system of air pollution sourcessystem of air pollution sources1.1.Survey on the stationary sources and the establishment of emission Survey on the stationary sources and the establishment of emission inventory for the stationary sourcesinventory for the stationary sources2.2.Survey on the mobile sources and the establishment of emission Survey on the mobile sources and the establishment of emission inventory for the mobile sourcesinventory for the mobile sources3.3.Survey on the opening sources and the establishment of database for Survey on the opening sources and the establishment of database for blown-up dusts as one of the opening sourcesblown-up dusts as one of the opening sources Project Content16.Projects Content17.vThe establishment of integrated system of The establishment of integrated system of meteorological datameteorological dataThe collection of meteorological dataThe collection of meteorological dataThe integrated system of meteorological dataThe integrated system of meteorological data1.Integration and analysis of various meteorological data；2.Identification of the weather type affecting the urban ambient air quality；3.The systematic analysis on the air disperse capacity of Tianjin Project Content18.vThe establishment of air quality explain The establishment of air quality explain and analysis systemand analysis systema.a.The establishment of air quality monitoringThe establishment of air quality monitoring databasedatabase b.b.Weather-Air Quality model establishmentWeather-Air Quality model establishment By analyzing the weather characteristic of the heavy air quality daye.g.the haze weather),the countermeasures can be selected under such weather condition.Project Content19.The regional ambient air quality capacity and The regional ambient air quality capacity and total amount distribution management systemtotal amount distribution management systemBased on the dynamic ambient air capacity,considering the allowable emission amount of various pollution sources under a certain meteorological conditions,a reasonable pollution emission distribution can be designed from the autonomous adjustment of pollution sources of the model.Project Content20.emission capacityemission capacityemission capacityAir quality mimics after the Air quality mimics after the adjustment of pollution sourcesadjustment of pollution sourcesDoes pollution still exist?Does pollution still exist?YesYesNoNoDecided pollution sources Decided pollution sources adjustment measuresadjustment measuresEconomic factorsEconomic factorsProject Contentweather classificationweather classificationCapacity and total Capacity and total amount modelamount modelDifferent environmental capacity Different environmental capacity under different weatherunder different weather21.Tianjin air quality pre-warning system Tianjin air quality pre-warning system1.1.Identify air pollution thresholds under certain Identify air pollution thresholds under certain weather conditionsweather conditions2.2.Find out the major pollution sources by operating Find out the major pollution sources by operating the modelthe model3.3.Provide plan of prevention and control of Provide plan of prevention and control of pollution riskpollution riskProject Content22.Fast diagnosis system of air pollutionAir quality monitoringAir quality forecastWeather air quality modelIdentification of air pollution thresholdPre-plan of prevention and control of pollution riskFast diagnosis system of air pollutionFast forecast of responding air qualityProject Content23.Project basisProject basisMajor research projects related to Major research projects related to ambient air quality in recent yearsambient air quality in recent years：The research on forecast of Tianjin air pollution；The research on PM source apportionment and environmental information management system；The pilot research on assessment methods of urban vehicle emission pollution；The application research of air quality forecast methods in Binhai area；The research on assessment of the implementation effects of Tianjin“Blue Sky Project”24.The ongoing researches related to ambient air pollution controlTianjin air pollution risk assessment,pre-warning and forecast systemThe research on Tianjin ozone pollution level and measures of prevention and controlMain technical requirements:Pollution source inventory and the method for establishing sources database；The assessment methods and application of technologies25.26.