Sea Ice Versus Storms: What Controls Sea Salt in Arctic Ice Cores?

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cam.issuedOnline2018-06-09
cam.orpheus.successThu Jan 30 10:54:32 GMT 2020 - The item has an open VoR version.
dc.contributor.authorRhodes, RH
dc.contributor.authorYang, X
dc.contributor.authorWolff, EW
dc.contributor.orcidRhodes, RH [0000-0001-7511-1969]
dc.contributor.orcidYang, X [0000-0002-3838-9758]
dc.contributor.orcidWolff, EW [0000-0002-5914-8531]
dc.date.accessioned2018-09-20T12:03:02Z
dc.date.available2018-09-20T12:03:02Z
dc.date.issued2018
dc.description.abstract<jats:title>Abstract</jats:title><jats:p>The sea ice surface is thought to be a major source of sea salt aerosol, suggesting that sodium records of polar ice cores may trace past sea ice extent. Here we test this possibility for the Arctic, using a chemical transport model to simulate aerosol emission, transport, and deposition in the satellite era. Our simulations suggest that sodium records from inland Greenland ice cores are strongly influenced by the impact of meteorology on aerosol transport and deposition. In contrast, sodium in coastal Arctic cores is predominantly sourced from the sea ice surface and the strength of these aerosol emissions controls the ice core sodium variability. Such ice cores may therefore record decadal to centennial scale Holocene sea ice changes. However, any relationship between ice core sodium and sea ice change may depend on how sea ice seasonality impacts sea salt emissions. Field‐based observations are urgently required to constrain this.</jats:p>
dc.description.sponsorshipEuropean Union Horizon 2020 Marie Sklodowska-Curie Individual Fellowship (658120, SEADOG) awarded to RHR. EWW acknowledges support from the Royal Society (RP 120096) XY acknowledges funding from NERC (NE/J023051/1).
dc.identifier.doi10.17863/CAM.27802
dc.identifier.eissn1944-8007
dc.identifier.issn0094-8276
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/280431
dc.publisherAmerican Geophysical Union (AGU)
dc.publisher.urlhttp://dx.doi.org/10.1029/2018gl077403
dc.subjectsea salt aerosol
dc.subjectsea ice proxy
dc.subjectchemical transport model
dc.subjectArctic
dc.subjectice core
dc.titleSea Ice Versus Storms: What Controls Sea Salt in Arctic Ice Cores?
dc.typeArticle
dcterms.dateAccepted2018-05-23
prism.endingPage5580
prism.issueIdentifier11
prism.publicationDate2018
prism.publicationNameGeophysical Research Letters
prism.startingPage5572
prism.volume45
pubs.funder-project-idNatural Environment Research Council (NE/J023051/1)
pubs.funder-project-idEuropean Commission Horizon 2020 (H2020) Marie Sk?odowska-Curie actions (658120)
pubs.funder-project-idRoyal Society (RP120096)
pubs.funder-project-idRoyal Society (NF171273)
rioxxterms.licenseref.startdate2018-06-16
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.typeJournal Article/Review
rioxxterms.versionofrecord10.1029/2018GL077403
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