Design of an Air-Quality Surveillance System for Buenos Aires City Integrated by a NO
x
Monitoring Network and Atmospheric Dispersion Models |
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Authors: | Nicolás A Mazzeo Laura E Venegas |
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Institution: | (1) National Scientific and Technological Research Council (CONICET), Department of Atmospheric and Oceanic Sciences, Faculty of Sciences, University of Buenos Aires, Ciudad Universitaria Pab. 2, 1428 Buenos Aires, Argentina |
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Abstract: | This paper presents an air-quality surveillance system designed to detect the occurrence of air pollutant concentrations greater
than a reference level in an urban area. The system is integrated by an air-quality monitoring network and atmospheric dispersion
models simulations. An objective methodology to design an urban air-quality monitoring network is proposed. This methodology
is based on the analysis of air-quality modelling results. The procedure is applied to design an air-quality monitoring network
to control NO
x
concentration levels in Buenos Aires City. Results indicate that six monitors will detect the occurrence of concentration
greater than the air-quality guidelines with an efficiency of about 67%. Once a violation is detected, results of atmospheric
dispersion models will help in the determination of affected areas. Four possible examples are included to illustrate the
assistance that the results of atmospheric dispersion models can bring to a better estimation of possible affected areas in
the city. Combining these results with the last census data, an estimation of the inhabitants possibly exposed is obtained. |
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Keywords: | Urban air quality Air-quality management Nitrogen oxides Air-quality monitoring network Atmospheric dispersion models |
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