Show simple item record

dc.contributor.authorUlanowski, Z.
dc.contributor.authorBailey, J. A.
dc.contributor.authorLucas, P.W.
dc.contributor.authorHough, J.
dc.contributor.authorHirst, E.
dc.date.accessioned2008-02-28T10:10:21Z
dc.date.available2008-02-28T10:10:21Z
dc.date.issued2007
dc.identifier.citationUlanowski , Z , Bailey , J A , Lucas , P W , Hough , J & Hirst , E 2007 , ' Alignment of atmospheric mineral dust due to electric field ' , Atmospheric Chemistry and Physics , vol. 7 , no. 24 , pp. 6161-6173 . https://doi.org/10.5194/acp-7-6161-2007
dc.identifier.issn1680-7324
dc.identifier.otherPURE: 161544
dc.identifier.otherPURE UUID: e60b20e0-1f52-4091-ac05-4baedf88b4f3
dc.identifier.otherdspace: 2299/1723
dc.identifier.otherScopus: 37249090792
dc.identifier.otherORCID: /0000-0003-4761-6980/work/32374657
dc.identifier.otherORCID: /0000-0002-8872-4462/work/62748917
dc.identifier.urihttp://hdl.handle.net/2299/1723
dc.description© Author(s) 2007. This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License
dc.description.abstractOptical polarimetry observations on La Palma, Canary Islands, during a Saharan dust episode show dichroic extinction indicating the presence of vertically aligned particles in the atmosphere. Modelling of the extinction together with particle orientation indicates that the alignment could have been due to an electric field of the order of 2 kV/m. Two alternative mechanisms for the origin of the field are examined: the effect of reduced atmospheric conductivity and charging of the dust layer, the latter effect being a more likely candidate. It is concluded that partial alignment may be a common feature of Saharan dust layers. The modelling indicates that the alignment can significantly alter dust optical depth. This “Venetian blind effect” may have decreased optical thickness in the vertical direction by as much as 10% for the case reported here. It is also possible that the alignment and the electric field modify dust transport.en
dc.language.isoeng
dc.relation.ispartofAtmospheric Chemistry and Physics
dc.rightsOpen
dc.titleAlignment of atmospheric mineral dust due to electric fielden
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.contributor.institutionScience & Technology Research Institute
dc.contributor.institutionLight Scattering & Radiactive Properties
dc.contributor.institutionCentre for Astrophysics Research
dc.contributor.institutionCentre for Atmospheric and Climate Physics Research
dc.contributor.institutionParticle Instrumentation
dc.description.statusPeer reviewed
dc.relation.schoolSchool of Physics, Astronomy and Mathematics
dc.description.versiontypeFinal Published version
dcterms.dateAccepted2007
rioxxterms.versionVoR
rioxxterms.versionofrecordhttps://doi.org/10.5194/acp-7-6161-2007
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue
herts.rights.accesstypeOpen


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record