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The implementation of regional air quality plans: nitrogen oxides and PM assessment through RAINS-Italy and local models TFIAM/COST729/NinE Workshop on integrated modelling of nitrogen - 28-30 November 2007, Laxenburg, Austria G. Calori*, T. Pignatelli +, G. Vialetto +, I. D’Elia +, M. Contaldi°, C. Contardi x, F. Sordi x, P. Radice*, G. Truffo x, G. Arduino x, T. Pittini* *ARIANET, Milano + ENEA, Roma °APAT, Roma x Regione Piemonte, Torino Ente per le Nuove Tecnologie, l’Energia e l’Ambiente
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Atmospheric transfer matrices Emission scenarios AMS-Italy RAINS-Italy The MINNI project
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EU “Framework” Directive on ambient air quality assessment and management and Daughter Directives Air quality standards – LV and MOT Current status + policy scenarios Regional air quality assessment: context Italy: regional plans Develop coherent evaluations, taking into account: local features (sources, topography & land-use, meteorology…) broader context … LV will be respected? … role of local measures? Regional decision maker:
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DRIVING FORCES RAINS-Italy & Regional Air Quality Systems Regional AQ system Boundary conditions Meteo model Emission manager Dispersion & chemistry Impacts Reference Inventory Regional plan Emission scenario Atmospheric simulation system CostsEmissions Atmospheric dispersion Health & env. impacts Enargy / ind. / agric. Projections Emission control RAINS-Italy RAIL RAIL : RAINS – Atmospheric Inventory Link
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1. Inventories harmonization: REI (Regional Emission Inventory) vs. RAINS-Italy, for baseline year 2.Projected emission scenario: RAINS-Italy CLE, downscaled at municipality level using REI 3.Regional Plan emission scenarios: translation (at municipality level) of local measures 4.Impacts on concentrations: simulation through regional 3D atmospheric modelling system Methodology Ongoing process, promoted by the Ministry of the Environment, with the progressive involvement of regional governments
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Piemonte case
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Major issues: NO 2, PM 10, O 3 Regional Air Quality System Emission inventory AMS 4 km res.1200 munic. Routinely used: yearly air quality evaluation (since 2004) regional & urban air quality forecast (4 & 1 km, since 2005)
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Piemonte AQ Plan: measures at 2010 Heating energy efficiency (new & renovated) boilers: efficiency & emission limits ban of dirtier fuels (coal and distillate oil) incentives for solar heating for sanitary water district heating expansion Transport whole region: progressive ban of the most polluting vehicles “Plan Zones”: restricted traffic zones in municipalities > 10000 inh. adoption of DPF (diesel particles filters) Regional Plan scenarios 2010 R O “Realistic” “Optimistic”
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Piemonte case Effects on emissions Base 2005 Reference 2010 Plan 2010 (R & O) “ context ” local measures global effects
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Variations for “Plan 2010” scenarios respect to “Base 2005” (all categories) Effects on emissions Regional level (CLE + local measures) Reference 2010 Plan – “R” Plan – “O”
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Effects on emissions Detail on individual measures - Heating “Plan 2010” vs. “Reference 2010” variations, by measure (local measures) solar heating boilers: NOx limits boilers: efficiency buildings efficiency ban of dirtier fuels
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“Plan 2010” vs. “Reference 2010” variations, by type Effects on emissions Detail on individual measures - Mobility (examples) Measures on whole region: absolute contributions by vehicles categories (local measures) measures on Plan Zones measures on whole region Heavvy duty v. & buses Light duty vehicles Motorcycles Cars
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Effects on emissions Details on municipalities (examples) Variations “Base 2005” “Reference 2010” NOx Diffuse sources NO x – Yearly emissions (ton) Primary PM 10 Diffuse sources PM 10 – Yearly emissions (ton)
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Piemonte case Effects on concentrations Base 2005 Reference 2010 Plan 2010 (R & O) “ context ” local measures global effects
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Relative variationAbsolute variation (CLE + local measures) “Plan-R 2010” vs. “Baseline 2005” NO 2 concentrations, yearly averages Effects on concentrations
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“Reference 2010” vs. “Baseline 2005” (CLE) NO 2 concentrations, yearly averages “Plan-R 2010” vs. “Reference 2010” (local measures only) Effects on concentrations
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(CLE + local measures) “Plan-R 2010” vs. “Baseline 2005” PM 10 concentrations, yearly averages Effects on concentrations
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“Reference 2010” vs. “Baseline 2005” (CLE) “Plan-R 2010” vs. “Reference 2010” (local measures only) PM 10 concentrations, yearly averages Effects on concentrations
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Room for improvement? (RAINS – technical measures)
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Campania case
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Emission inventory Downscaled AMS-Italy 4 km res. 1 km res. Regional Modelling System Major issues: NO 2, PM 10, O 3
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Campania AQ Plan renovation of public buses fleet enhancement of regional railway system “sea metro” traffic bans on selected days (Naples & surroundings) restricted traffic zone in Salerno Measures at 2010 Effects on emissions: “Plan 2010” vs. “Reference 2010” variations Transport Total
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NO 2 PM 10 Yearly averages (absolute variations) Effects on concentrations “Plan 2010” vs. “Baseline 2002”
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“… implementing integrated N policies: difficulties & suggestions” … supported by regional- and urban-scale analyses (spatial details, hotspots) Lessons learned … linked to broader context … multiple models: need of consistent tools & data - harmonization Lack of multidisciplinary connections (e.g. mobility, agriculture) especially on “quantitative approaches” Long-term perspective (4/5 years…) There is room for local, coordinated policies … Italian peculiarity?
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Direzione Tutela Ambientale Settore Risanamento Acustico e Atmosferico Contributions G. Calori, P. Radice, T. Pittini, G. Brusasca T. Pignatelli, G. Vialetto, I. D’Elia M. Contaldi C. Contardi, F. Sordi, G. Truffo, G. Arduino, A. Benedetti Sponsorship
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