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dc.contributor.authorBhattachan, Abinashen_US
dc.contributor.authorD'Odorico, Paoloen_US
dc.contributor.authorBaddock, Matthewen_US
dc.contributor.authorM. Zobeck, Teden_US
dc.contributor.authorOkin, Gregoryen_US
dc.contributor.authorCassar, Nicolasen_US
dc.date.accessioned2017-05-03T15:22:20Z
dc.date.available2017-05-03T15:22:20Z
dc.date.issued2012en_US
dc.date.modified2014-02-16T23:37:15Z
dc.identifier.issn1748-9326en_US
dc.identifier.doi10.1088/1748-9326/7/2/024001en_US
dc.identifier.urihttp://hdl.handle.net/10072/47150
dc.description.abstractMost sources of atmospheric dust on Earth are located in the Northern Hemisphere. The lower dust emissions in the Southern Hemisphere in part limit the supply of micronutrients (primarily soluble iron) to the Southern Ocean, thereby constraining its productivity. Climate and land use change can alter the current distribution of dust source regions on Earth. Can new dust sources be activated in the Southern Hemisphere? Here we show that vegetation loss and dune remobilization in the Southern Kalahari can promote dust emissions comparable to those observed from major contemporary dust sources in the Southern African region. Dust generation experiments support the hypothesis that, in the Southern Kalahari, aeolian deposits that are currently mostly stabilized by savanna vegetation are capable of emitting substantial amounts of dust from interdune areas. We show that dust from these areas is relatively rich in soluble iron, an important micronutrient for ocean productivity. Trajectory analyses show that dust from the Kalahari commonly reaches the Southern Ocean and could therefore enhance its productivity.en_US
dc.description.peerreviewedYesen_US
dc.description.publicationstatusYesen_US
dc.format.extent865671 bytes
dc.format.mimetypeapplication/pdf
dc.languageEnglishen_US
dc.language.isoen_US
dc.publisherInstitute of Physics Publishingen_US
dc.publisher.placeUnited Kingdomen_US
dc.relation.ispartofstudentpublicationNen_US
dc.relation.ispartofpagefrom024001-1en_US
dc.relation.ispartofpageto024001-7en_US
dc.relation.ispartofjournalEnvironmental Research Lettersen_US
dc.relation.ispartofvolume7en_US
dc.rights.retentionYen_US
dc.subject.fieldofresearchAtmospheric Sciences not elsewhere classifieden_US
dc.subject.fieldofresearchEnvironmental Sciences not elsewhere classifieden_US
dc.subject.fieldofresearchcode040199en_US
dc.subject.fieldofresearchcode059999en_US
dc.titleThe Southern Kalahari: A potential new dust source in the southern hemisphere?en_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Peer Reviewed (HERDC)en_US
dc.type.codeC - Journal Articlesen_US
gro.rights.copyrightCopyright remains with the authors 2012.Content from this work may be used under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.en_US
gro.date.issued2012
gro.hasfulltextFull Text


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