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A numerical comparison of different methods for determining the particle formation rate
Stockholm University, Faculty of Science, Department of Applied Environmental Science (ITM). University of Helsinki, Finland.ORCID iD: 0000-0003-3464-7825
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Number of Authors: 52012 (English)In: Atmospheric Chemistry And Physics, ISSN 1680-7316, E-ISSN 1680-7324, Vol. 12, no 5, p. 2289-2295Article in journal (Refereed) Published
Abstract [en]

Different methods of determining formation rates of 3 nm particles are compared, basing on analysis of simulated data, but the results are valid for analyses of experimental particle size distribution data as well, at least within the accuracy of the applied model. The study shows that the method of determining formation rates indirectly from measured number concentration data of 3-6 nm particles is generally in good agreement with the theoretical calculation with a systematic error of 0-20%. While this accuracy is often enough, a simple modification to the approximative equation for the formation rate is recommended. A brief study on real atmospheric data implied that in some cases the accuracy gain may be significant.

Place, publisher, year, edition, pages
2012. Vol. 12, no 5, p. 2289-2295
National Category
Earth and Related Environmental Sciences
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URN: urn:nbn:se:su:diva-162444DOI: 10.5194/acp-12-2289-2012ISI: 000301547500003OAI: oai:DiVA.org:su-162444DiVA, id: diva2:1267595
Available from: 2018-12-03 Created: 2018-12-03 Last updated: 2018-12-03Bibliographically approved

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