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dc.contributor.authorBencs, L.
dc.contributor.authorRavindra, K.
dc.contributor.authorde Hoog, J.
dc.contributor.authorRasoazanany, E.O.
dc.contributor.authorDeutsch, F.
dc.contributor.authorBleux, N.
dc.contributor.authorBerghmans, P.
dc.contributor.authorRoekens, E.
dc.contributor.authorKrata, A.
dc.contributor.authorVan Grieken, R.
dc.date.accessioned2009-08-27T07:53:10Z
dc.date.available2009-08-27T07:53:10Z
dc.date.issued2008
dc.identifier.citationBencs , L , Ravindra , K , de Hoog , J , Rasoazanany , E O , Deutsch , F , Bleux , N , Berghmans , P , Roekens , E , Krata , A & Van Grieken , R 2008 , ' Mass and ionic composition of atmospheric fine particles over Belgium and their relation with gaseous air pollutants ' , Journal of Environmental Monitoring , vol. 1157 , pp. 1148-1157 . https://doi.org/10.1039/b805157g
dc.identifier.issn1464-0325
dc.identifier.otherPURE: 143825
dc.identifier.otherPURE UUID: 38f67465-d1d3-44b4-8722-3c75bd0f3d9b
dc.identifier.otherdspace: 2299/3820
dc.identifier.otherScopus: 53649092776
dc.identifier.urihttp://hdl.handle.net/2299/3820
dc.descriptionOriginal article can be found at: http://www.rsc.org/publishing/journals/EM/Index.asp Copyright Royal Society of Chemistry. DOI: 10.1039/b805157g
dc.description.abstractMass, major ionic components (MICs) of PM2.5, and related gaseous pollutants (SO2, NOx, NH3, HNO2, and HNO3) were monitored over six locations of different anthropogenic influence (industrial, urban, suburban, and rural) in Belgium. SO42-, NO3- NH4+, and Na+ were the primary ions of PM2.5 with averages diurnal concentrations ranging from 0.4-4.5, 0.3-7.6, 0.9-4.9, and 0.4-1.2 g/m3, respectively. MICs formed 39% of PM2.5 on an average, but it could reach up to 80-98 %. The SO2, NO, NO2, HNO2, and HNO3 levels showed high seasonal and site-specific fluctuations. The NH3 levels were similar over all the sites (2-6 g/m3), indicating its relation to the evenly distributed animal husbandry activities. The sulfur and nitrogen oxidation ratios for PM2.5 point towards a low-to-moderate formation of secondary sulfate and nitrate aerosols over five cities/towns, but their fairly intensive formation at the rural Wingene. Cluster analysis revealed the association of three groups of compounds in PM2.5; (i) NH4NO3, KNO3; (ii) Na2SO4; and (iii) MgCl2, CaCl2, MgF2, CaF2, corresponding to anthropogenic, sea-salt, and mixed (sea-salt + anthropogenic) aerosols, respectively. The neutralization and cation-to-anion ratios indicate that MICs of PM2.5 appeared mostly as (NH4)2SO4 and NH4NO3 salts. Sea-salt input was maximal during winter reaching up to 12 % of PM2.5. The overall average Cl-loss for sea-salt particles of PM2.5 at the six sites varied between 69 and 96 % with an average of 87 %. Principal component analysis revealed vehicular emission, coal/wood burning and animal farming as the dominating sources for the ionic components of PM2.5.en
dc.language.isoeng
dc.relation.ispartofJournal of Environmental Monitoring
dc.rightsOpen
dc.subjectaerosols
dc.subjectseasonal variations
dc.subjectemission source
dc.subjectsecondary aerosol formation
dc.titleMass and ionic composition of atmospheric fine particles over Belgium and their relation with gaseous air pollutantsen
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.description.statusPeer reviewed
dc.relation.schoolSchool of Physics, Astronomy and Mathematics
dcterms.dateAccepted2008
rioxxterms.versionofrecordhttps://doi.org/10.1039/b805157g
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue
herts.rights.accesstypeOpen


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