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Revista Brasileira de Meteorologia
Print version ISSN 0102-7786
BOIAN, Cláudia and ANDRADE, Maria de Fátima. Characterization of ozone transport among metropolitan regions. Rev. bras. meteorol. [online]. 2012, vol.27, n.2, pp.229-242. ISSN 0102-7786. http://dx.doi.org/10.1590/S0102-77862012000200009.
The aim of this work is to determine the interaction in terms of ozone transport between two metropolitan regions of São Paulo State: The Metropolitan Region of Campinas (MRC) and Metropolitan Region of São Paulo (MRSP), with different characteristics and dimensions. In order to describe the interaction between both regions, 3-D Eulerian photochemical CIT model was used with a new approach for São Paulo regions since most previous studies deal with individual areas considering the contribution of other areas only as boundary conditions. The results from the photochemical simulations showed that the ozone concentration in the MRC is associated to local emissions and the transport of ozone and its precursors from the MRSP, demonstrating the significant impact of a megacity in its neighborhood and the importance of meteorological and topography conditions in the transport of air pollutants from the local source to distant regions.
Keywords : Tropospheric Ozone; Transport of Pollutants; Photochemical Model; Urban Pollution.