Abstract
This article deals with the scavenging processes modeling of the particulate sulfate and the gas sulfur dioxide in the Metropolitan Area of São Paulo [MASP). Three sampling sites were chosen from MASP center to surroundings. The results show that the in-cloud processes were dominant (80%) for sulfate/sulfur dioxide scavenging processes, with below-cloud process indicating around 20% of the total. Clearly con vective events (higher than 20mm), are better modeled than the strati form events, with r of 0.92. Additionally, the suburb sampling site as expected due to the pollution source distance, presents in general smaller amount of rainwater sulfate [modeled and observed) than the center sampling site, Mackenzie, where the characterization event explains partially the rainfall concentration differences. Cloud height seems also to clarify some results.
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Gonçalves, F.L.T., Junior, L.C.M., Fornaro, A., Pedrotti, J.J. (2012). Sulfur dioxide and sulfate in particulate matter scavenging processes modeling in different localities of metropolitan region of São Paulo with different cloud heights. In: Rauch, S., Morrison, G. (eds) Urban Environment. Alliance for Global Sustainability Bookseries, vol 19. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2540-9_14
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DOI: https://doi.org/10.1007/978-94-007-2540-9_14
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