Change search
ReferencesLink to record
Permanent link

Direct link
Indirect evidence of the composition of nucleation mode atmospheric particles in the high Arctic
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM).
Show others and affiliations
Number of Authors: 6
2016 (English)In: Journal of Geophysical Research - Atmospheres, ISSN 2169-897X, E-ISSN 2169-8996, Vol. 121, no 2, 965-975 p.Article in journal (Refereed) Published
Abstract [en]

Previous long-term observations have shown that nanoparticle formation events are common in the summer-time high Arctic and linked to local photochemical activity. However, current knowledge is limited with respect to the chemical precursors of resulting nanoparticles and the compounds involved in their subsequent growth. Here we report case-study measurements during new particle formation (NPF) events of the particle size distribution (diameter>7nm) and for the first time the volatility of monodisperse particles having diameter 40nm, providing indirect information about their composition. Volatility measurements provide indirect evidence that a predominant fraction of the 12nm particle population is ammoniated sulfates in the summertime high Arctic. Our observations further suggest that the majority of the sub-40nm particle population during NPF events does not exist in the form of sulfuric acid but rather as partly or fully neutralized ammoniated sulfates.

Place, publisher, year, edition, pages
2016. Vol. 121, no 2, 965-975 p.
Keyword [en]
nucleation, high Arctic, ammonium sulfate
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:su:diva-127879DOI: 10.1002/2015JD023646ISI: 000370471800024OAI: diva2:940444
Available from: 2016-06-21 Created: 2016-03-14 Last updated: 2016-06-21Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text

Search in DiVA

By author/editor
Tunved, Peter
By organisation
Department of Applied Environmental Science (ITM)
In the same journal
Journal of Geophysical Research - Atmospheres
Earth and Related Environmental Sciences

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 3 hits
ReferencesLink to record
Permanent link

Direct link