Inderscience Publishers

Urban ozone modelling by using a prognostic Eulerian air quality system: Madrid case study

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Air quality models are essential tools in the understanding of pollutant dynamics in the urban atmosphere. In this contribution we present an air quality system (ANA), which is composed of a meteorological module that uses a three-dimensional approach with terrain-following coordinates and the non-hydrostatic approach, and a detailed emission model (250 x 250 m) that includes the anthropogenic and biogenic emissions over the area of study (the Madrid area of 80 x 100 km). The biogenic emissions and the land-use classes are obtained by using LANDSAT-5 satellite imagery. A photochemical module based on the CBM-IV scheme and the SMVGEAR numerical method for solving the atmospheric chemistry are used. The results are compared with data obtained from the Madrid Municipality ozone network. The simulated ozone values for a five-day period (5-9 June 1995) compare well with those observed on the ozone network stations.

Keywords: air quality, forecasting, mesoscale, ozone, urban models, air pollution, environmental pollution, modelling, atmospheric dispersion models, Spain

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