Protocolo corporativo interno de simulación de dispersión de contaminantes para la implementación del modelo AERMOD
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Air pollutant modelling is the main tool for assessing the impact of emissions from different sources on air quality. AERMOD, a steady-state Gaussian regulatory model, is implemented to perform concentration analysis of criteria pollutants and toxic pollutants from a source to a receptor and up to a maximum distance of 50km. The AERMOD model incorporates a more up-to-date characterisation of the PBL (planetary boundary layer), since it does not make use of the Pasquill-Gifford-Turner stability category typing scheme, but uses the Monin Obukhov length as the atmospheric stability parameter. The PBL is the lower part of the atmosphere where the airflow is strongly influenced by the interaction of the land surface. It is essential to know the structure and dynamics of the PBL in a model of atmospheric pollution, since it is here where the mixing, transport and dispersion of pollutants resulting from anthropogenic activities takes place.