The study of traffic hotspot air quality and street scale modelling in the Street Emission Ceilings (SEC) Project
by Evangelia-Anna Kalognomou, Giorgos Mellios, Nicolas Moussiopoulos, Steinar Larssen, Zissis Samaras, Dick Van Den Hout, Frank De Leeuw, Jaakko Kukkonen, Jaroslav Fiala
International Journal of Environment and Waste Management (IJEWM), Vol. 4, No. 1/2, 2009

Abstract: The introduction of local scale analysis in Integrated Assessment Modelling (IAM) requires an evaluation of road transport emission factors and local scale air quality models. The comparison of PM₁₀ and PM_2.5 over NO_x delta (street level minus background) concentration ratios against emission ratio estimates, confirms the appropriateness of the COPERT methodology. The comparison also reveals the non-exhaust coarse fraction source in Stockholm to be three times the fine fraction in summer, but seven times that in winter. In London it is twice the fine fraction. The model intercomparison study shows that simple street canyon models can be sufficient for use in IAM.

Online publication date: Sun, 28-Jun-2009

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