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

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

Ecological Modelling, 2018, vol. 385, issue C, 173-181

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.

Keywords: Particulate matter; Data assimilation and regularization; Atmospheric matter flow; Population exposure (search for similar items in EconPapers)
Date: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:385:y:2018:i:c:p:173-181

DOI: 10.1016/j.ecolmodel.2018.07.019

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