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dc.contributor.authorEleftheriadis, Kostas
dc.contributor.authorNyeki, Stephan
dc.contributor.authorTørseth, Kjetil
dc.contributor.authorColbeck, Ian
dc.date.accessioned2020-07-10T08:51:56Z
dc.date.available2020-07-10T08:51:56Z
dc.date.created2020-07-09T15:36:51Z
dc.date.issued2001
dc.identifier.citationMemoirs of NIPR. 2001, (54), 91-99.en_US
dc.identifier.issn0386-0744
dc.identifier.urihttps://hdl.handle.net/11250/2663664
dc.description.abstractPrevious studies on Arctic aerosol characteristics have shown a pronounced winter-spring maximum and summer-autumn minimum in aerosol concentration. Measurements of black carbon concentration in the atmospheric aerosol were obtained by means of an aethalometer at the Zeppelinfjellet station Ny-Ålesund, Svalbard. Simultaneous 24 hour measurements of the concentration of key aerosol species like sulphate, ammonium and nitrate together with sulphur dioxide, conducted by NILU are presented and discussed in order to evaluate the transport processes governing their presence in the High Arctic. Large variations are seen to be superimposed on an overall trend that apparently exhibits higher values in winter than in late summer. Back trajectory analysis of the airmasses arriving at Zeppelin station, reveals that enhanced concentrations observed for black carbon and sulphate are associated with long range transport of polluted air from Eurasia. Black carbon, sulphur dioxide and sulphate concentrations are correlated well. Nitrate and ammonium display a rather poor association with the above species and between each other.en_US
dc.language.isoengen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleBlack carbon and ionic species in the Arctic aerosolen_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.source.pagenumber91-99en_US
dc.source.journalMemoirs of NIPRen_US
dc.source.issue54en_US
dc.identifier.cristin1819132
cristin.ispublishedtrue
cristin.fulltextoriginal


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