Inventario de emisiones atmosféricas del tráfico vehicular en el Distrito Metropolitano de Quito. Año base 2012
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| Format: | Artículo científico |
| Langue: | es |
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Universidad San Francisco de Quito
2015
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| _version_ | 1876454988142608384 |
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| author | Dayana Vega |
| author_facet | Dayana Vega |
| contents | Inventario de emisiones atmosféricas del tráfico vehicular en el Distrito Metropolitano de Quito. Año base 2012 Dayana Vega Lorena Ocaña René Parra Multidisciplinaria (Ciencias Naturales y Exactas) DMQ diesel vehicles emission factors gasoline vehicles Vehicular Technical Control On-road traffic is an important source of air pollutants in the Distrito Metropolitano de Quito (DMQ). Until today the emissions from this sector in the DMQ were performed mainly using emission factors from the international literature. This paper updates the atmospheric emission inventory from the on-road traffic in the DMQ, taking 2012 as the base year. The best available information of sales statistics and properties of fuels, the composition of the vehicular park, and traffic intensity were used. The emission factors were deduced using the emission records of the Vehicular Technical Control (VTC) from the DMQ. The on-road traffic emits 102.7 kt/y of CO, 20.9 kt/y of NOx, 13.2 kt /y of NMVOC, 1.7 kt/y of PM10, 1.2 kt/y of PM2,5 and 0.5 kt/y of SO2. It was estimated that during 2012, in the DMQ circulated 519 111 vehicles, of which 94.4 % correspond to gasoline vehicles and 5.6 % to diesel vehicles. The analyses of the VTC’s database shown that 390 326 vehicles were controlled during 2012. The difference in comparison with the estimated vehicle park that actually circulated in the DMQ, indicates that 25 % of vehicles not fulfilled the VTC. The gasoline vehicles emit 86.3 % of CO, 77.0 % of NMVOC and 75.3 % of SO2. The diesel vehicles emit 82.5 % of PM2,5, 76.4 % of PM10 and 60.6 % of NOx. The information used for this emission inventory implies a reduction in the level of uncertainty in relation to previous emission inventories. Hourly emission maps obtained from this inventory can be used to perform air pollutants chemical transportation studies, using last-generation numerical models. 2015 artículo científico 1390-5384 https://www.redalyc.org/articulo.oa?id=726180880025 es http://www.redalyc.org/revista.oa?id=7261 Avances en Ciencias e Ingenierías application/pdf Universidad San Francisco de Quito Avances en Ciencias e Ingenierías (Ecuador) Num.2 Vol.7 |
| format | Artículo científico |
| id | redalyc_726180880025 |
| institution | Redalyc |
| language | es |
| publishDate | 2015 |
| publisher | Universidad San Francisco de Quito |
| spellingShingle | Inventario de emisiones atmosféricas del tráfico vehicular en el Distrito Metropolitano de Quito. Año base 2012 Dayana Vega Multidisciplinaria (Ciencias Naturales y Exactas) DMQ diesel vehicles emission factors gasoline vehicles Vehicular Technical Control Inventario de emisiones atmosféricas del tráfico vehicular en el Distrito Metropolitano de Quito. Año base 2012 Dayana Vega Lorena Ocaña René Parra Multidisciplinaria (Ciencias Naturales y Exactas) DMQ diesel vehicles emission factors gasoline vehicles Vehicular Technical Control On-road traffic is an important source of air pollutants in the Distrito Metropolitano de Quito (DMQ). Until today the emissions from this sector in the DMQ were performed mainly using emission factors from the international literature. This paper updates the atmospheric emission inventory from the on-road traffic in the DMQ, taking 2012 as the base year. The best available information of sales statistics and properties of fuels, the composition of the vehicular park, and traffic intensity were used. The emission factors were deduced using the emission records of the Vehicular Technical Control (VTC) from the DMQ. The on-road traffic emits 102.7 kt/y of CO, 20.9 kt/y of NOx, 13.2 kt /y of NMVOC, 1.7 kt/y of PM10, 1.2 kt/y of PM2,5 and 0.5 kt/y of SO2. It was estimated that during 2012, in the DMQ circulated 519 111 vehicles, of which 94.4 % correspond to gasoline vehicles and 5.6 % to diesel vehicles. The analyses of the VTC’s database shown that 390 326 vehicles were controlled during 2012. The difference in comparison with the estimated vehicle park that actually circulated in the DMQ, indicates that 25 % of vehicles not fulfilled the VTC. The gasoline vehicles emit 86.3 % of CO, 77.0 % of NMVOC and 75.3 % of SO2. The diesel vehicles emit 82.5 % of PM2,5, 76.4 % of PM10 and 60.6 % of NOx. The information used for this emission inventory implies a reduction in the level of uncertainty in relation to previous emission inventories. Hourly emission maps obtained from this inventory can be used to perform air pollutants chemical transportation studies, using last-generation numerical models. 2015 artículo científico 1390-5384 https://www.redalyc.org/articulo.oa?id=726180880025 es http://www.redalyc.org/revista.oa?id=7261 Avances en Ciencias e Ingenierías application/pdf Universidad San Francisco de Quito Avances en Ciencias e Ingenierías (Ecuador) Num.2 Vol.7 |
| title | Inventario de emisiones atmosféricas del tráfico vehicular en el Distrito Metropolitano de Quito. Año base 2012 |
| topic | Multidisciplinaria (Ciencias Naturales y Exactas) DMQ diesel vehicles emission factors gasoline vehicles Vehicular Technical Control |
| url | https://www.redalyc.org/articulo.oa?id=726180880025 |