Please use this identifier to cite or link to this item: https://oa.tib.eu/renate/handle/123456789/305
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dc.rights.licenseCC BY 3.0 Unportedeng
dc.contributor.authorRoth, A.
dc.contributor.authorSchneider, J.
dc.contributor.authorKlimach, T.
dc.contributor.authorMertes, S.
dc.contributor.authorvan Pinxteren, D.
dc.contributor.authorHerrmann, H.
dc.contributor.authorBorrmann, S.
dc.date.accessioned2017-09-19T09:51:52Z
dc.date.available2019-06-26T17:17:09Z
dc.date.issued2016
dc.identifier.urihttps://doi.org/10.34657/750-
dc.identifier.urihttps://oa.tib.eu/renate/handle/123456789/305
dc.description.abstractCloud residues and out-of-cloud aerosol particles with diameters between 150 and 900 nm were analysed by online single particle aerosol mass spectrometry during the 6-week study Hill Cap Cloud Thuringia (HCCT)-2010 in September–October 2010. The measurement location was the mountain Schmücke (937 m a.s.l.) in central Germany. More than 160 000 bipolar mass spectra from out-of-cloud aerosol particles and more than 13 000 bipolar mass spectra from cloud residual particles were obtained and were classified using a fuzzy c-means clustering algorithm. Analysis of the uncertainty of the sorting algorithm was conducted on a subset of the data by comparing the clustering output with particle-by-particle inspection and classification by the operator. This analysis yielded a false classification probability between 13 and 48 %. Additionally, particle types were identified by specific marker ions. The results from the ambient aerosol analysis show that 63 % of the analysed particles belong to clusters having a diurnal variation, suggesting that local or regional sources dominate the aerosol, especially for particles containing soot and biomass burning particles. In the cloud residues, the relative percentage of large soot-containing particles and particles containing amines was found to be increased compared to the out-of-cloud aerosol, while, in general, organic particles were less abundant in the cloud residues. In the case of amines, this can be explained by the high solubility of the amines, while the large soot-containing particles were found to be internally mixed with inorganics, which explains their activation as cloud condensation nuclei. Furthermore, the results show that during cloud processing, both sulfate and nitrate are added to the residual particles, thereby changing the mixing state and increasing the fraction of particles with nitrate and/or sulfate. This is expected to lead to higher hygroscopicity after cloud evaporation, and therefore to an increase of the particles' ability to act as cloud condensation nuclei after their cloud passage.eng
dc.formatapplication/pdf
dc.language.isoengeng
dc.publisherMünchen : European Geopyhsical Unioneng
dc.relation.ispartofseriesAtmospheric Chemistry and Physics, Volume 16, Issue 2, Page 505-524eng
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/eng
dc.subjectaerosol compositioneng
dc.subjectbiomass burningeng
dc.subjectclassificationeng
dc.subjectcloud condensation nucleuseng
dc.subjectcloud covereng
dc.subjectmountain regioneng
dc.subjectorographic effecteng
dc.subjectparticle sizepoint sourceeng
dc.subject.ddc550eng
dc.titleAerosol properties, source identification, and cloud processing in orographic clouds measured by single particle mass spectrometry on a central European mountain site during HCCT-2010eng
dc.typearticleeng
dc.typeTexteng
dc.description.versionpublishedVersioneng
wgl.contributorTROPOSeng
wgl.subjectGeowissenschafteneng
wgl.typeZeitschriftenartikeleng
dc.relation.doihttps://doi.org/10.5194/acp-16-505-2016
dcterms.bibliographicCitation.journalTitleAtmospheric Chemistry and Physicseng
tib.accessRightsopenAccesseng
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Roth, A., J. Schneider, T. Klimach, S. Mertes, D. van Pinxteren, H. Herrmann and S. Borrmann, 2016. Aerosol properties, source identification, and cloud processing in orographic clouds measured by single particle mass spectrometry on a central European mountain site during HCCT-2010. 2016. München : European Geopyhsical Union
Roth, A., Schneider, J., Klimach, T., Mertes, S., van Pinxteren, D., Herrmann, H. and Borrmann, S. (2016) “Aerosol properties, source identification, and cloud processing in orographic clouds measured by single particle mass spectrometry on a central European mountain site during HCCT-2010.” München : European Geopyhsical Union. doi: https://doi.org/10.5194/acp-16-505-2016.
Roth A, Schneider J, Klimach T, Mertes S, van Pinxteren D, Herrmann H, Borrmann S. Aerosol properties, source identification, and cloud processing in orographic clouds measured by single particle mass spectrometry on a central European mountain site during HCCT-2010. München : European Geopyhsical Union; 2016.
Roth, A., Schneider, J., Klimach, T., Mertes, S., van Pinxteren, D., Herrmann, H., & Borrmann, S. (2016). Aerosol properties, source identification, and cloud processing in orographic clouds measured by single particle mass spectrometry on a central European mountain site during HCCT-2010 (Version publishedVersion). Version publishedVersion. München : European Geopyhsical Union. https://doi.org/https://doi.org/10.5194/acp-16-505-2016
Roth A, Schneider J, Klimach T, Mertes S, van Pinxteren D, Herrmann H, Borrmann S. Aerosol properties, source identification, and cloud processing in orographic clouds measured by single particle mass spectrometry on a central European mountain site during HCCT-2010. Published online 2016. doi:https://doi.org/10.5194/acp-16-505-2016


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