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Multi-year assessment of photochemical air quality simulation over spain

Abstract : Ground-level ozone concentrations in the atmospheric boundary layer over Spain are still exceeding thresholds established in EU legislation to protect human health and prevent damage to ecosystems. The increasing role that air quality models play in air quality management requires comparison between model results and previous observations in order to determine the capacity of the model to reproduce past events. The CHIMERE chemistry-transport model has been used by several research groups to estimate air pollutant concentrations in different European countries. An evaluation of the model performance of the CHIMERE air quality model was carried out for the spring and summer periods of 2003-2005 in Spain, using EMEP emissions. This evaluation has demonstrated a fair agreement between observed and modelled ozone values for background stations, with a mean normalized absolute error below 15% for rural background air quality sites. This value lays inside the range proposed in EPA's guideline for an acceptable level of model performance. In spite of this acceptable model performance, further studies need to be carried out to explain some underestimation found over Madrid surroundings
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Marta G. Vivanco, Inmaculada Palomino, Robert Vautard, Bertrand Bessagnet, Fernando Martin, et al.. Multi-year assessment of photochemical air quality simulation over spain. Environmental Modelling and Software, Elsevier, 2009, 4 (1), pp.63-73. ⟨10.1016/j.envsoft.2008.05.004⟩. ⟨ineris-00963155⟩



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