NDLI: Avaliação Da Influência De Condições Meteorológicas Na Ocorrência E Manutenção De Um Episódio Prolongado Com Altas Concentrações De Ozônio Sobre a Região Metropolitana De São Paulo

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Avaliação Da Influência De Condições Meteorológicas Na Ocorrência E Manutenção De Um Episódio Prolongado Com Altas Concentrações De Ozônio Sobre a Região Metropolitana De São Paulo

Content Provider	Semantic Scholar
Author	Carvalho, Vanessa Silveira Barreto Freitas, Edmilson Dias De Mazzoli, Caroline Rosario Andrade, Maria De Fátima
Copyright Year	2012
Abstract	In the Metropolitan Area of Sao Paulo, air quality monitoring network often register ozone concentration values higher than those established by Brazilian legislation. In some occasions, weather conditions favorable to ozone formation allow the occurrence of high concentration values for several consecutive days in the area. The influence of meteorological conditions on the air pollution episode registered between February 24 and March 05, 2003 was assessed through numerical simulations with the SPM-BRAMS model. Observational studies show that the occurrence of calm winds, especially during the night and morning, favor the formation of high ozone concentration values over the region. The penetration time and the influence of the sea breeze are essential for the transport of ozone and its precursors. These conditions were well simulated by the model. For the most critical days, when several monitoring stations recorded the occurrence of violations to the ozone National Air Quality Standard, the model simulated properly the atmospheric conditions needed for the maintenance of high ozone concentration values, without any artificial procedure during the integrations.
Starting Page	463
Ending Page	474
Page Count	12
File Format	PDF HTM / HTML
DOI	10.1590/S0102-77862012000400009
Alternate Webpage(s)	http://submission.scielo.br/index.php/rbmet/article/download/32729/7850
Alternate Webpage(s)	https://doi.org/10.1590/S0102-77862012000400009
Volume Number	27
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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