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dc.contributor.authorKezoudi, Maria
dc.contributor.authorTesche, Matthias
dc.contributor.authorSmith, Helen
dc.contributor.authorUlanowski, Zbigniew
dc.contributor.authorAmiridis, Vassilis
dc.contributor.authorMueller, Detlef
dc.contributor.authorWeinzierl, Bernadett
dc.contributor.authorTsekeri, Alexandra
dc.contributor.authorBaars, Holger
dc.contributor.authorDollner, Maximilian
dc.contributor.authorEstellés, Víctor
dc.contributor.authorBühl, Johannes
dc.date.accessioned2021-07-21T09:43:02Z
dc.date.available2021-07-21T09:43:02Z
dc.date.issued2021-05-05
dc.identifier.citationKezoudi , M , Tesche , M , Smith , H , Ulanowski , Z , Amiridis , V , Mueller , D , Weinzierl , B , Tsekeri , A , Baars , H , Dollner , M , Estellés , V & Bühl , J 2021 , ' Measurement report: Balloon-borne in-situ profiling of Saharan dust over Cyprus with the UCASS optical particle counter ' , Atmospheric Chemistry and Physics , vol. 21 , no. 9 , pp. 6781–6797 . https://doi.org/10.5194/acp-21-6781-2021
dc.identifier.issn1680-7316
dc.identifier.otherPURE: 22957973
dc.identifier.otherPURE UUID: 9d729d95-f3e1-4732-98be-2983fe6ec495
dc.identifier.otherORCID: /0000-0002-0203-7654/work/96452081
dc.identifier.otherScopus: 85105532812
dc.identifier.urihttp://hdl.handle.net/2299/24869
dc.description© Author(s) 2021. This work is distributed under the Creative Commons Attribution 4.0 License.
dc.description.abstractThis paper presents measurements of mineral dust concentration in the diameter range from 0.4 to 14.0 μm with a novel balloon-borne optical particle counter, the Universal Cloud and Aerosol Sounding System (UCASS). The balloon launches were coordinated with ground-based active and passive remote-sensing observations and airborne in-situ measurements with a research aircraft during a Saharan dust outbreak over Cyprus from 20 to 23 April 2017. The aerosol optical depth at 500 nm reached values up to 0.5 during that event over Cyprus and particle number concentrations were as high as 50 cm−3 for the diameter range between 0.8 and 13.9 μm. Comparisons of the total particle number concentration and the particle size distribution from two cases of balloon-borne measurements with aircraft observations show reasonable agreement in magnitude and shape despite slight mismatches in time and space. While column-integrated size distributions from balloon-borne measurements and ground-based remote sensing show similar coarse-mode peak concentrations and diameters, they illustrate the ambiguity related to the missing vertical information in passive sun photometer observations. Extinction coefficient inferred from the balloon-borne measurements agrees with those derived from coinciding Raman lidar observations at height levels with particle number concentrations smaller than 10 cm−3 for the diameter range from 0.8 to 13.9 μm. An overestimation of the extinction coefficient of a factor of two was found for layers with particle number concentrations that exceed 25 cm−3. This is likely the result of a variation in the refractive index, the shape- and size-dependency of the extinction efficiency of dust particles along the UCASS measurements.en
dc.format.extent17
dc.language.isoeng
dc.relation.ispartofAtmospheric Chemistry and Physics
dc.titleMeasurement report: Balloon-borne in-situ profiling of Saharan dust over Cyprus with the UCASS optical particle counteren
dc.contributor.institutionCentre for Atmospheric and Climate Physics Research
dc.contributor.institutionSchool of Physics, Engineering & Computer Science
dc.contributor.institutionDepartment of Physics, Astronomy and Mathematics
dc.description.statusPeer reviewed
rioxxterms.versionVoR
rioxxterms.versionofrecordhttps://doi.org/10.5194/acp-21-6781-2021
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue


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