Abstract

GARCIA-REYNOSO, José Agustín; MAR-MORALES, Bertha Eugenia  and  RUIZ-SUAREZ, Luis Gerardo. SPATIAL, TEMPORAL AND SPECIATION MODEL OF THE MEXICO NATIONAL EMISSIONS INVENTORY (BASE YEAR 2008) FOR ITS USE IN AIR QUALITY MODELING (DiETE). Rev. Int. Contam. Ambient [online]. 2018, vol.34, n.4, pp.635-649. ISSN 0188-4999.  https://doi.org/10.20937/rica.2018.34.04.07.

This paper presents the spatial, temporal and speciation distribution model (DiETE) of the 2008 Mexico National Emissions Inventory (MNEI). The methodology and information used to estimate the spatial, temporal and chemical distribution of the emissions is described. The results and validation procedure are shown using the 2008 MNEI, which considers seven pollutants: volatile organic compounds (VOC), ammonia (NH3), nitrogen oxide (NOx), sulfur dioxide (SO2), carbon monoxide (CO), PM10 and PM2.5. Three source types are also considered: fixed, area and mobile. They are further subdivided into 258, 64 and 17 categories, respectively. Each category was related to a source classification code (SCC). Temporal and chemical profiles were obtained from each SCC category. It was identified that the total mass of VOC in the aggregation procedure compared to the emission inventory produces a difference up to 17 %. The DiETE model can generate files for RADM2, RACM, CBM5 and SAPRC99, used by WRF-chem. Although emissions models have been used in other studies, this is the first to include validation in the conversion procedure, which is useful for the whole year and can be used for environmental management.

Keywords : atmospheric pollution; emissions; hourly distribution; geographical distribution; chemical species distribution.