Ensemble operational air quality assessments in Europe - Improving modeling platforms with statistical analysis

Abstract : MACC-II - Monitoring Atmospheric Composition and Climate - is the current COPERNICUS (previously known as GMES Global Monitoring for Environment and Security) - Atmosphere Service throughout Europe. For regional air quality, seven regional modeling teams combine state-of-the-art atmospheric modeling with Earth observation data assimilation. All models use the same anthropogenic emissions dataset, the same meteorological forcing and the same lateral boundary conditions provided by the global model forecasts. They differ by their physical process modeling, data assimilation or statistical analysis system. All models have also very significant and specific skill, and this is used in the ensemble approach. The ensemble is currently based upon a median value approach. In this communication, we give an overview of the current status of the ensemble approach and its performance. The performance is based upon ground-based measurements which are not used in the data assimilation or statistical analysis process. MACC-II products are considered as the 'best available or most realistic' representations of air pollution patterns over Europe: more relevant than interpolation of observations and more accurate than raw simulations issued from the ensemble or a unique model.
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Communication dans un congrès
59. World statistics congress (WSC 2013), Aug 2013, Hong Kong, China. pp.NC, 2013
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  • HAL Id : ineris-00973713, version 1
  • INERIS : EN-2013-300

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Anthony Ung, Laure Malherbe, Frédérik Meleux, Bertrand Bessagnet, Laurence Rouil. Ensemble operational air quality assessments in Europe - Improving modeling platforms with statistical analysis. 59. World statistics congress (WSC 2013), Aug 2013, Hong Kong, China. pp.NC, 2013. 〈ineris-00973713〉

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