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Spatiotemporally resolved ambient particulate matter concentration by fusing observational data and ensemble chemical transport model simulations

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  • Chianese, E.
  • Galletti, A.
  • Giunta, G.
  • Landi, T.C.
  • Marcellino, L.
  • Montella, R.
  • Riccio, A.

Abstract

In this work, we describe and implement a data assimilation approach for PM10 pollution data in Northern Italy. This was done by combining the best available information from observations and chemical transport models. Specifically, by (1) incorporating PM10 surface daily concentrations and model results from the CAMS (Copernicus Atmosphere Monitoring Service) ensemble; and (2) spreading the forecast corrections from the observation locations to the entire gridded domain covered by model forecasts by means of a data regularization approach. Results were verified against independent PM10 observations measured at 169 stations by local Environmental Protection Agencies. Twelve months of observations were matched in time and space, from January to December 2017, with air pollution model results. The studied domain encompassed the Po Valley, one of the most polluted areas in Europe, and that still does not meet the air quality criteria for the annual average concentration and the maximum number of exceedances allowed for the particulate matter.

Suggested Citation

  • Chianese, E. & Galletti, A. & Giunta, G. & Landi, T.C. & Marcellino, L. & Montella, R. & Riccio, A., 2018. "Spatiotemporally resolved ambient particulate matter concentration by fusing observational data and ensemble chemical transport model simulations," Ecological Modelling, Elsevier, vol. 385(C), pages 173-181.
    • Handle: RePEc:eee:ecomod:v:385:y:2018:i:c:p:173-181
    DOI: 10.1016/j.ecolmodel.2018.07.019
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    References listed on IDEAS

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    1. Michael E. Tipping & Christopher M. Bishop, 1999. "Probabilistic Principal Component Analysis," Journal of the Royal Statistical Society Series B, Royal Statistical Society, vol. 61(3), pages 611-622.
    2. מחקר - ביטוח לאומי, 2006. "Summary for 2005," Working Papers 29, National Insurance Institute of Israel.
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    1. Maurizio Migliaccio & Andrea Buono & Ila Maltese & Margherita Migliaccio, 2021. "The 2020 Italian Spring Lockdown: A Multidisciplinary Analysis over the Milan Urban Area," World, MDPI, vol. 2(3), pages 1-24, August.
    2. Sebastiani, A. & Buonocore, E. & Franzese, P.P. & Riccio, A. & Chianese, E. & Nardella, L. & Manes, F., 2021. "Modeling air quality regulation by green infrastructure in a Mediterranean coastal urban area: The removal of PM10 in the Metropolitan City of Naples (Italy)," Ecological Modelling, Elsevier, vol. 440(C).

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