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Open Access Green as soon as Postprint is submitted to ZB.
Determination of the size segregated chemical composition and on line size distribution measurement of aerosol during cloud formation.
J. Aerosol Sci. 23, 937-940 (1992)
In order to observe changes in size distribution and chemical composition of aerosol particles during the formation of orographic clouds size segregated aerosol samples were collected at two sites of different altitudes in the west of the Vosges. Number size distributions covering a size range between 0.001 and 0.8 μm were monitored by means of a CNC - diffusion-battery-(CNC-DB) setup located at a site in the condensation level. During the condensation phase a growth of the small particles is observed. After the cloud event the aerosol does not recover it's original diameter. At the same time the mass of Sulfur in the aerosol in the small size range is elevated leading to a smaller Mass median diameter (MMD) of the Sulfur size distribution measured with a Berner impactor. The reason for this enrichment is an uptake of Sulfur from the gasphase during the cloud formation.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Aerosol ; Cloud ; Condensation ; Size Distribution ; Sulfur
ISSN (print) / ISBN
0021-8502
e-ISSN
1879-1964
Journal
Journal of Aerosol Science
Quellenangaben
Volume: 23,
Issue: SUPPL. 1,
Pages: 937-940
Publisher
Elsevier
Reviewing status
Peer reviewed
Institute(s)
Institute of Radiation Protection (ISS)