Please use this identifier to cite or link to this item: https://oa.tib.eu/renate/jspui/handle/123456789/388
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dc.rights.licenseCC BY 4.0 Unporteden
dc.contributor.authorHeintzenberg, Jost
dc.contributor.authorBirmili, Wolfram
dc.contributor.authorWiedensohler, Alfred
dc.contributor.authorNowak, Andreas
dc.contributor.authorTuch, Thomas
dc.date.accessioned2018-02-08T16:39:16Z
dc.date.available2019-06-26T17:17:25Z
dc.date.issued2017
dc.identifier.urihttps://oar.tib.eu/jspui/handle/123456789/388
dc.identifier.urihttp://dx.doi.org/10.34657/1292-
dc.description.abstractSubmicrometre dry number size distributions from four marine and one continental aerosol experiment were evaluatedjointly in the present study. In the marine experiments only data with back trajectories of at least 120 h without landcontact were used to minimize continental contamination. Log-normal functions were fitted to the size distributions.Basic statistics of the marine aerosol indicate a closed character of the size distribution at the lower size limit as opposedto an open character for corresponding continental data. Together with the infrequent occurrences of marine particlesbelow20 nmthis finding supports hypotheses and model results suggesting lowprobabilities of homogeneous nucleationin the marine boundary layer. The variability of submicrometre marine number concentrations was parametrized witha bimodal log-normal function that quantifies the probability of finding different number concentrations about a givenmedian value. Together with a four-modal log-normal approximation of the submicrometre marine size distributionitself, this model allows a statistical representation of the marine aerosol that facilitates comparison of experiments andvalidation of aerosol models. Autocorrelation at the one fixed marine site with a minimum of interruptions in timesseriesrevealed a strong size dependency of persistence in particle number concentration with the shortest persistenceat the smallest sizes. Interestingly, in the marine aerosol (at Cape Grim) persistence exhibits a size dependency thatlargely matches the modes in dg0, i.e. near the most frequent geometric mean diameters number concentrations aremost persistent. Over the continent, persistence of particle numbers is strongly constrained by diurnal meteorologicalprocesses and aerosol dynamics. Thus, no strong modal structure appears in the size-dependent persistence at Melpitz.As with the aerosol variability, marine aerosol processes in models of aerosol dynamics can be tested with these findings.
dc.formatapplication/pdf
dc.language.isoengen
dc.publisherMilton Park : Taylor & Francis
dc.relation.ispartofseriesTellus B: Chemical and Physical Meteorology, Volume 56, Issue 4, Page 357-367en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectaerosol
dc.subjectmarine atmosphere
dc.subjectsize distribution
dc.subject.ddc550
dc.titleStructure, variability and persistence of the submicrometre marine aerosol
dc.typearticle-
dc.typeText-
dc.description.versionpublishedVersioneng
local.accessRightsopenAccess-
wgl.contributorTROPOSger
wgl.subjectGeowissenschaftenger
wgl.typeZeitschriftenartikelger
dc.relation.doihttps://doi.org/10.3402/tellusb.v56i4.16450
dcterms.bibliographicCitation.journalTitleTellus B: Chemical and Physical Meteorologyen
local.identifier.doihttp://dx.doi.org/10.34657/1292-
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Heintzenberg, Jost, Wolfram Birmili, Alfred Wiedensohler, Andreas Nowak and Thomas Tuch, 2017. Structure, variability and persistence of the submicrometre marine aerosol. 2017. Milton Park : Taylor & Francis
Heintzenberg J, Birmili W, Wiedensohler A, et al. Structure, variability and persistence of the submicrometre marine aerosol. 2017. doi:https://doi.org/10.3402/tellusb.v56i4.16450
Heintzenberg J, Birmili W, Wiedensohler A, Nowak A, Tuch T (2017) Structure, variability and persistence of the submicrometre marine aerosol
Heintzenberg, J., Birmili, W., Wiedensohler, A., Nowak, A. & Tuch, T. Structure, variability and persistence of the submicrometre marine aerosol. (2017) doi:https://doi.org/10.3402/tellusb.v56i4.16450.
J. Heintzenberg, W. Birmili, A. Wiedensohler, A. Nowak, T. Tuch, Structure, variability and persistence of the submicrometre marine aerosol (2017), doi:https://doi.org/10.3402/tellusb.v56i4.16450.
J. Heintzenberg, W. Birmili, A. Wiedensohler, A. Nowak and T. Tuch, 2017.
J. Heintzenberg, W. Birmili, A. Wiedensohler, A. Nowak, and T. Tuch, “Structure, variability and persistence of the submicrometre marine aerosol.” Milton Park : Taylor & Francis, 2017, doi: https://doi.org/10.3402/tellusb.v56i4.16450.


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