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Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Ekologija ir aplinkotyra / Ecology and environmental sciences (N012)
Author(s): Eeftens, Marloes;Tsai, Ming-Yi;Ampe, Christophe;Anwander, Bernhard;Beelen, Rob;Bellander, Tom;Cesaroni, Giulia;Cirach, Marta;Cyrys, Josef;Hoogh, Kees de;Nazelle, Audrey de;Vocht, Frank de;Declercq, Christophe;Dėdelė, Audrius;Eriksen, Kirsten;Galassi, Claudia;Gražulevičienė, Regina;Grivas, Georgios;Heinrich, Joachim;Hoffmann, Barbara;Iakovides, Minas;Ineichen, Alex;Katsouyanni, Klea;Korek, Michal;Krämer, Ursula;Kuhlbusch, Thomas;Lanki, Timo;Madsen, Christian;Meliefste, Kees;Mölter, Anna;Mosler, Gioia;Nieuwenhuijsen, Mark;Oldenwening, Marieke;Pennanen, Arto;Probst-Hensch, Nicole;Quass, Ulrich;Raaschou-Nielsen, Ole;Ranzi, Andrea;Stephanou, Euripides G;Sugiri, Dorothee;Udvardy, Orsolya;Vaskövi, Éva;Weinmayr, Gudrun;Brunekreef, Bert;Hoek, Gerard
Title: Spatial variation of PM2.5, PM10, PM2.5 absorbance and PMcoarse concentrations between and within 20 European study areas and the relationship with NO2 – results of the ESCAPE project
Is part of: Atmospheric environment. Amsterdam, Netherlands : Elsevier B.V., 2012, vol. 62
Extent: p. 303-317
Date: 2012
Keywords: Traffic;PM2.5;PM10;Coarse particle;Soot;Spatialvariation
Abstract: The ESCAPE study (European Study of Cohorts for Air Pollution Effects) investigates relationships between long-term exposure to outdoor air pollution and health using cohort studies across Europe. This paper analyses the spatialvariation of PM2.5, PM2.5absorbance, PM10 and PMcoarseconcentrations between and within 20 study areas across Europe. We measured NO2, NOx, PM2.5, PM2.5absorbance and PM10 between October 2008 and April 2011 using standardized methods. PMcoarse was determined as the difference between PM10 and PM2.5. In each of the twenty study areas, we selected twenty PM monitoring sites to represent the variability in important air quality predictors, including population density, traffic intensity and altitude. Each site was monitored over three 14-day periods spread over a year, using Harvard impactors. Results for each site were averaged after correcting for temporal variation using data obtained from a reference site, which was operated year-round. Substantial concentration differences were observed between and within study areas. Concentrations for all components were higher in Southern Europe than in Western and Northern Europe, but the pattern differed per component with the highest average PM2.5concentrations found in Turin and the highest PMcoarse in Heraklion. Street/urban background concentration ratios for PMcoarse (mean ratio 1.42) were as large as for PM2.5absorbance (mean ratio 1.38) and higher than those for PM2.5 (1.14) and PM10 (1.23), documenting the importance of non-tailpipe emissions. Correlations between components varied between areas, but were generally high between NO2 and PM2.5absorbance (average R2 = 0.80). Correlations between PM2.5 and PMcoarse were lower (average R2 = 0.39). Despite high correlations, concentration ratios between components varied, e.g. the NO2/PM2.5 ratio varied between 0.67 and 3.06. [...]
Affiliation(s): Aplinkotyros katedra
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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