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Seasonality of New Particle Formation in Vienna, Austria - Influence of Air Mass Origin and Aerosol Chemical Composition

SYSNO ASEP	0446562
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Seasonality of New Particle Formation in Vienna, Austria - Influence of Air Mass Origin and Aerosol Chemical Composition
Author(s)	Wonaschütz, A. (AT) Demattio, A. (AT) Wagner, R. (AT) Burkart, J. (AT) Zíková, Naděžda (UCHP-M)_{RID, ORCID, SAI} Vodička, Petr (UCHP-M)_{RID, ORCID, SAI} Ludwig, W. (AT) Steiner, G. (AT) Schwarz, Jaroslav (UCHP-M)_{RID, ORCID, SAI} Hitzenberger, R. (AT)
Source Title	Atmospheric Environment. - : Elsevier - ISSN 1352-2310 Roč. 118, OCT 2015 (2015), s. 118-126
Number of pages	9 s.
Language	eng - English
Country	GB - United Kingdom
Keywords	urban aerosol ; aerosol chemical composition ; new particle formation
Subject RIV	CF - Physical ; Theoretical Chemistry
R&D Projects	7AMB12AT021 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
	GBP503/12/G147 GA ČR - Czech Science Foundation (CSF)
Institutional support	UCHP-M - RVO:67985858
UT WOS	000361409900011
EID SCOPUS	84939141109
DOI	10.1016/j.atmosenv.2015.07.035
Annotation	The impact of air mass origin and season on aerosol chemical composition and new particle formation and growth events (NPF events) in Vienna, Austria, is investigated using impactor samples from shortterm campaigns and two long-term number size distribution datasets. The results suggest that air mass origin is most important for bulk PM concentrations, chemical composition of the coarse fraction (>1.5 mm) and the mass size distribution, and less important for chemical composition of the fine fraction (<1.5 mm). Continental air masses (crustal elements) were distinguished from air masses of marine origin (traces of sea salt). NPF events were most frequent in summer (22% of measurement days), and least frequent in winter (3% of measurement days). They were associated with above-average solar radiation and ozone concentrations, but were largely independent of PM2.5. Air mass origin was a secondary influence on NPF, largely through its association with meteorological conditions. Neither a strong dependence on the PM2.5 loading of the air masses, nor indications of a source area for NPF precursors outside the city were found.
Workplace	Institute of Chemical Process Fundamentals
Contact	Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227
Year of Publishing	2016

Number of the records: 1