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Environ Pollut

Title:		"Spatial distribution of ground-level urban background O3 concentrations in the Metropolitan Area of Buenos Aires, Argentina"
Author(s):		Pineda Rojas AL; Venegas LE;
Address:		"National Scientific and Technological Research Council (CONICET), Argentina; Department of Chemical Engineering, Avellaneda Regional Faculty, National Technological University, Av. Ramon Franco 5050, 1874 Avellaneda, Buenos Aires, Argentina. Electronic address: apineda@conicet.gov.ar"
Journal Title:		Environ Pollut
Year:		2013
Volume:		183
Issue:
Page Number:		159 - 165
DOI:		10.1016/j.envpol.2012.11.013
ISSN/ISBN:		1873-6424 (Electronic) 0269-7491 (Linking)
Abstract:		"In this work, a recently developed urban-scale atmospheric dispersion model (DAUMOD-GRS) is applied to evaluate the ground-level ozone (O3) concentrations resulting from anthropogenic area sources of NOx and VOC in the Metropolitan Area of Buenos Aires (MABA). The statistical comparison of model results with observations (including new available data from seventeen sites) shows a good model performance. Estimated summer highest diurnal O3 1-h concentrations in the MABA vary between 15 ppb in the most urbanised area and 53 ppb in the suburbs. All values are below the air quality standard. Several runs are performed to evaluate the impact of possible future emission reductions on O3 concentrations. Under all hypothetical scenarios, the maximum diurnal O3 1-h concentration obtained for the area is slightly reduced (up to 4%). However, maximum diurnal O3 concentrations could increase at some less urbanised areas of MABA depending on the relative reductions of the emissions of NOx and VOC"
Keywords:		"Air Pollutants/*analysis/standards Argentina Cities *Environmental Monitoring *Models, Chemical Ozone/*analysis/standards Seasons Spatial Analysis Air quality modelling Metropolitan Area of Buenos Aires Nitrogen oxides Ozone Urban air quality Volatile org;"
Notes:		"MedlinePineda Rojas, Andrea L Venegas, Laura E eng Research Support, Non-U.S. Gov't England 2012/12/19 Environ Pollut. 2013 Dec; 183:159-65. doi: 10.1016/j.envpol.2012.11.013"