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A Lagrangian modelling approach to assess the representativeness area of an industrial air quality monitoring station

TitleA Lagrangian modelling approach to assess the representativeness area of an industrial air quality monitoring station
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2016
AuthorsVitali, Lina, Morabito A., Adani Mario, Assennato G., Ciancarella Luisella, Cremona Giuseppe, Giua R., Pastore T., Piersanti Antonio, Righini Gaia, Russo Felicita, Spagnolo S., Tanzarella A., Tinarelli G., and Zanini Gabriele
JournalAtmospheric Pollution Research

The evaluation of the spatial representativeness of air quality monitoring stations is of fundamental relevance when observed concentration levels are used in air quality assessment. Since no reference method is provided, there is a need to develop tools for its quantitative assessment. In this paper we test a recently developed methodology for spatial representativeness area assessment, based on the analysis of time series of model concentrations by means of a Concentration Similarity Frequency (CSF) function, on the Taranto-via Machiavelli industrial monitoring station, located in a mid-size city in Southern Italy. The complex territorial context, the peculiar anthropogenic emissions features, dominated by the contribution of the largest steelworks in Europe, and the critical situation of human health in the city make this application an interesting case study to assess the portability of the CSF approach, so far applied only to background stations, to industrial sites that experience high concentration variability. A comprehensive characterization of the main anthropogenic emissions of the area was carried out, with detailed treatment of dust emission by wind erosion from industrial mineral piles; a Lagrangian modelling approach was chosen to simulate PM10 dispersion patterns, to achieve a reliable and high resolution description of concentration variability around the site. The resulting representativeness area of the station is 0.067 km2, fulfilling EU prescriptions for industrial stations. The comprehensive evaluation results, through the comparison with the observed data, showed good performances pointing out the reliability of the estimated concentration fields around the site and consequently of the assessment of its representativeness area. © 2016 Turkish National Committee for Air Pollution Research and Control


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Citation KeyVitali2016990