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Gu, J. ; Schnelle-Kreis, J. ; Pitz, M. ; Diemer, J.* ; Reller, A.* ; Zimmermann, R. ; Soentgen, J.* ; Peters, A. ; Cyrys, J.

Spatial and temporal variability of PM10 sources in Augsburg, Germany.

Atmos. Environ. 71, 131-139 (2013)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Source apportionment of ambient particulate matter (PM10) was carried out using daily chemical composition data collected in winter 2006/07 and winter 2007/08 in Augsburg, Germany. Six factors have been identified and were associated with secondary nitrate, secondary sulfate, residential and commercial combustion, NaCl, re-suspended dust and traffic emissions. Comparing the source profiles between winter 2006/07 and winter 2007/08 showed that they were similar for both winters, except the combustion and traffic emissions factors. The spatial variation of particulate sources was evaluated by analysis of data collected at eight sampling sites during a one-month intensive campaign in winter 2007/08. Secondary nitrate, secondary sulfate as well as residential and commercial combustion factors showed strong correlations and low coefficient of divergence (COD) values among eight sites, indicating that they are uniformly distributed in urban area. By contrast, traffic emissions factor and NaCl were highly heterogeneously distributed. These two factors were enhanced greatly at the traffic site and are the cause of elevated PM10 mass concentration at traffic site. It means that for some specific sources of particles showing pronounced spatial variability a central monitoring site could not assess the absolute concentrations across an urban area. Thus, cautions should be taken when approximating average human exposure to these particle sources in long-term epidemiological studies.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter source apportionment; particulate matter; PMF; spatial variability; Augsburg; Myocardial-infarction Survivors ; Positive Matrix Factorization ; Ambient Particulate Matter ; Air-pollution ; Source Apportionment ; Daily Mortality ; Urban Areas ; Pm2.5 ; Exposure ; Health
Sprache englisch
Veröffentlichungsjahr 2013
HGF-Berichtsjahr 2013
ISSN (print) / ISBN 1352-2310
e-ISSN 1873-2844
Zeitschrift Atmospheric Environment
Quellenangaben Band: 71, Heft: , Seiten: 131-139 Artikelnummer: , Supplement: ,
Verlag Elsevier
Begutachtungsstatus Peer reviewed
Institut(e) Cooperation Group Comprehensive Molecular Analytics (CMA)
Institute of Epidemiology (EPI)
POF Topic(s) 30202 - Environmental Health
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Forschungsfeld(er) Environmental Sciences
Genetics and Epidemiology
PSP-Element(e) G-504500-001
G-504000-005
G-504000-004
DOI 10.1016/j.atmosenv.2013.01.043
WOS ID WOS:000318384900016
Scopus ID 84874515035
Erfassungsdatum 2013-03-11
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