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Impact of meteorological conditions on airborne fine particle composition and secondary pollutant characteristics in urban area during winter-time

Schäfer, Klaus; Elsasser, Michael; Arteaga-Salas, Jose M.; Gu, Jianwei; Pitz, Mike; Schnelle-Kreis, Jürgen; Cyrys, Josef; Emeis, Stefan; Prevot, Andre S.H.; Zimmermann, Ralf

The assessment of airborne fine particle composition and secondary pollutant characteristics in the case of Augsburg, Germany, during winter (31 January–12 March 2010) is studied on the basis of aerosol mass spectrometry (3 non-refractory components and organic matter, 3 positive matrix factorizations (PMF) factors), particle size distributions (PSD, 5 size modes, 5 PMF factors), further air pollutant mass concentrations (7 gases and VOC, black carbon, PM10, PM2.5) and meteorological measurements, including mixing layer height (MLH), with one-hourly temporal resolution. Data were subjectively assigned to 10 temporal phases which are characterised by different meteorological influences and air pollutant concentrations. In each phase hierarchical clustering analysis with the Ward method was applied to the correlations of air pollutants, PM components, PM source contributions and PSD modes and correlations of these data with all meteorological parameters. This analysis resulted in different degrees of sensitivities of these air pollutant data to single meteorological parameters. It is generally found that wind speed (negatively), MLH (negatively), relative humidity (positively) and wind direction influence primary pollutant and accumulation mode particle (size range 100–500 nm) concentrations. ... mehr

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DOI: 10.5445/IR/1000053959
DOI: 10.1127/metz/2016/0684
Zitationen: 12
Web of Science
Zitationen: 12
Cover der Publikation
Zugehörige Institution(en) am KIT Fakultät für Physik (PHYSIK)
Institut für Meteorologie und Klimaforschung - Atmosphärische Umweltforschung (IMK-IFU)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2016
Sprache Englisch
Identifikator ISSN: 0941-2948, 1610-1227
KITopen-ID: 1000053959
HGF-Programm 12.02.04 (POF III, LK 01) Urban-Rural Interactions
Erschienen in Meteorologische Zeitschrift
Verlag Borntraeger Science Publishers
Band 25
Heft 3
Seiten 267-279
Bemerkung zur Veröffentlichung Gefördert durch den KIT-Publikationsfonds
Schlagwörter airborne particle composition, airborne particle size distribution, aerosol mass spectrometry, air pollutants, meteorological parameter, mixing layer height, hierarchical clustering
Nachgewiesen in Web of Science
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