Title
Modelling concentrations of airborne primary and secondary <tex>$PM_{10}$</tex> and <tex>$PM_{2.5}$</tex> with the BelEUROS-model in BelgiumModelling concentrations of airborne primary and secondary <tex>$PM_{10}$</tex> and <tex>$PM_{2.5}$</tex> with the BelEUROS-model in Belgium
Author
Faculty/Department
Faculty of Sciences. Chemistry
Research group
AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Publication type
article
Publication
Amsterdam,
Source (journal)
Ecological modelling. - Amsterdam
Volume/pages
217(2008):3/4, p. 230-239
ISSN
0304-3800
ISI
000259842900004
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The Eulerian Chemistry-Transport Model BelEUROS was used to calculate the concentrations of airborne PM10 and PM2.5 over Europe. Both primary as well as secondary particulate matter in the respirable size-range was taken into account. Especially PM2.5 aerosols are often formed in the atmosphere from gaseous precursor compounds. Comprehensive computer codes for the calculation of gas phase chemical reactions and thermodynamic equilibria between compounds in the gas-phase and the particulate phase had been implemented into the BelEUROS-model. Calculated concentrations of PM10 and PM2.5 are compared to observations, including both the spatial and daily, temporal distribution of particulate matter in Belgium for certain monitoring locations and periods. The concentrations of the secondary compounds ammonium, nitrate and sulfate have also been compared to observed values. BeIEUROS was found to reproduce the observed concentrations rather well. The model was applied to assess the contribution of emissions derived from the sector agriculture in Flanders, the northern part of Belgium, to PM10- and PM2.5-concentrations. The results demonstrate the importance of ammonia emissions in the formation of secondary particulate matter. Hence, future European emission abatement policy should consider more the role of ammonia in the formation of secondary particles
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