Show simple item record

dc.contributor.authorSipilä, M.
dc.contributor.authorLehtipalo, K.
dc.contributor.authorKulmala, M.
dc.contributor.authorPetäjä, T.
dc.contributor.authorJunninen, H.
dc.contributor.authorAalto, P. P.
dc.contributor.authorManninen, H. E.
dc.contributor.authorKyrö, E.-M.
dc.contributor.authorAsmi, E.
dc.contributor.authorRiipinen, I.
dc.contributor.authorCurtius, J.
dc.contributor.authorKürten, A.
dc.contributor.authorBorrmann, S.
dc.contributor.authorO'Dowd, C. D.
dc.date.accessioned2018-09-20T16:24:53Z
dc.date.available2018-09-20T16:24:53Z
dc.date.issued2008-07-25
dc.identifier.citationSipilä, M. Lehtipalo, K.; Kulmala, M.; Petäjä, T.; Junninen, H.; Aalto, P. P.; Manninen, H. E.; Kyrö, E.-M.; Asmi, E.; Riipinen, I.; Curtius, J.; Kürten, A.; Borrmann, S.; O'Dowd, C. D. (2008). Applicability of condensation particle counters to measure atmospheric clusters. Atmospheric Chemistry and Physics 8 (14), 4049-4060
dc.identifier.issn1680-7324
dc.identifier.urihttp://hdl.handle.net/10379/13934
dc.description.abstractThis study presents an evaluation of a pulse height condensation particle counter (PH-CPC) and an expansion condensation particle counter (E-CPC) in terms of measuring ambient and laboratory-generated molecular and ion clusters. Ambient molecular cluster concentrations were measured with both instruments as they were deployed in conjunction with an ion spectrometer and other aerosol instruments in Hyytiala, Finland at the SMEAR II station between 1 March and 30 June 2007. The observed cluster concentrations varied and ranged from some thousands to 100 000 cm(-3). Both instruments showed similar (within a factor of similar to 5) concentrations. An average size of the detected clusters was approximately 1.8 nm. As the atmospheric measurement of sub 2-nm particles and molecular clusters is a challenging task, we conclude that most likely we were unable to detect the smallest clusters. Nevertheless, the reported concentrations are the best estimates to date for minimum cluster concentrations in a boreal forest environment.
dc.publisherCopernicus GmbH
dc.relation.ispartofAtmospheric Chemistry and Physics
dc.subjectpulse-height analysis
dc.subjectnucleus counter
dc.subjectsulfuric-acid
dc.subjectaerosol-particles
dc.subjectnucleation events
dc.subjectgrowth-rates
dc.subjection
dc.subjectnanoparticles
dc.subjectmobility
dc.subjecttool
dc.titleApplicability of condensation particle counters to measure atmospheric clusters
dc.typeArticle
dc.identifier.doi10.5194/acp-8-4049-2008
dc.local.publishedsourcehttps://www.atmos-chem-phys.net/8/4049/2008/acp-8-4049-2008.pdf
nui.item.downloads0


Files in this item

This item appears in the following Collection(s)

Show simple item record