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Ulevicius, V.* ; Byčenkiene, S.* ; Bozzetti, C.* ; Vlachou, A.* ; Plauškaite, K.* ; Mordas, G.* ; Dudoitis, V.* ; Abbaszade, G. ; Remeikis, V.* ; Garbaras, A.* ; Masalaite, A.* ; Blees, J.* ; Fröhlich, R.* ; Dällenbach, K.R.* ; Canonaco, F.* ; Slowik, J.G.* ; Dommen, J.* ; Zimmermann, R. ; Schnelle-Kreis, J. ; Salazar, G.A.* ; Agrios, K.* ; Szidat, S.* ; El Haddad, I.* ; Prevot, A.S.H.*

Fossil and non-fossil source contributions to atmospheric carbonaceous aerosols during extreme spring grassland fires in Eastern Europe.

Atmos. Chem. Phys. 16, 5513-5529 (2016)
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In early spring the Baltic region is frequently affected by high-pollution events due to biomass burning in that area. Here we present a comprehensive study to investigate the impact of biomass/grass burning (BB) on the evolution and composition of aerosol in Preila, Lithuania, during springtime open fires. Non-refractory submicron particulate matter (NR-PM1) was measured by an Aerodyne aerosol chemical speciation monitor (ACSM) and a source apportionment with the multilinear engine (ME-2) running the positive matrix factorization (PMF) model was applied to the organic aerosol fraction to investigate the impact of biomass/grass burning. Satellite observations over regions of biomass burning activity supported the results and identification of air mass transport to the area of investigation. Sharp increases in biomass burning tracers, such as levoglucosan up to 683 ng m-3 and black carbon (BC) up to 17μgm-3 were observed during this period. A further separation between fossil and non-fossil primary and secondary contributions was obtained by coupling ACSM PMF results and radiocarbon (14C) measurements of the elemental (EC) and organic (OC) carbon fractions. Non-fossil organic carbon (OCnf) was the dominant fraction of PM1, with the primary (POCnf) and secondary (SOCnf) fractions contributing 26-44% and 13-23% to the total carbon (TC), respectively. 5-8% of the TC had a primary fossil origin (POCf), whereas the contribution of fossil secondary organic carbon (SOCnf) was 4-13%. Non-fossil EC (ECnf) and fossil EC (ECf) ranged from 13-24 and 7-13%, respectively. Isotope ratios of stable carbon and nitrogen isotopes were used to distinguish aerosol particles associated with solid and liquid fossil fuel burning.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Fine-particle Emissions; Positive Matrix Factorization; Organic Source Apportionment; Wood Stove Combustion; Chemical-characterization; Mass-spectrometer; Particulate Matter; United-states; Fireplace Combustion; Collection Efficiencies
Sprache englisch
Veröffentlichungsjahr 2016
HGF-Berichtsjahr 2016
ISSN (print) / ISBN 1680-7316
e-ISSN 1680-7324
Zeitschrift Atmospheric Chemistry and Physics
Quellenangaben Band: 16, Heft: 9, Seiten: 5513-5529 Artikelnummer: , Supplement: ,
Verlag European Geosciences Union (EGU) ; Copernicus
Verlagsort Gottingen
Begutachtungsstatus Peer reviewed
Institut(e) Cooperation Group Comprehensive Molecular Analytics (CMA)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504500-001
DOI 10.5194/acp-16-5513-2016
WOS ID WOS:000376938100003
Scopus ID 84969899080
Erfassungsdatum 2016-06-07
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