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The Ekman Streamfunction and the Eulerian and Residual Overturning Circulations of the Southern Ocean

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dc.contributor.authorStewart, Kial
dc.contributor.authorHogg, Andy
dc.contributor.authorEngland, Matthew
dc.contributor.authorWaugh, D. W.
dc.contributor.authorKiss, Andrew
dc.date.accessioned2023-07-03T01:40:22Z
dc.date.available2023-07-03T01:40:22Z
dc.date.issued2021-08-18
dc.date.updated2022-04-10T08:18:41Z
dc.description.abstractThe Ekman streamfunction is a wind-derived metric that can be used to infer the Southern Ocean overturning circulations (SOOCs) in both latitude-depth and latitude-potential density spaces. The Ekman streamfunction integrates the Ekman pumping zonally and northwards from Antarctica, either to a given latitude or potential density. Here, we evaluate the relationship between the Ekman streamfunction and SOOCs in a global 0. (Formula presented.) ocean-sea-ice model driven by interannual forcing (1958–2018). In certain regions of the Southern Ocean, strong correlations ((Formula presented.)) exist between the Ekman streamfunction and the Eulerian and residual SOOCs on monthly and annual timescales. Regression analysis identifies regions where Ekman streamfunction variability coincides with (Formula presented.) Sv changes in the overturning; one such location is where the wind stress curl changes sign and the Ekman pumping is highly variable.en_AU
dc.description.sponsorshipThe authors acknowledge the support of this work from the Earth Systems and Climate Change Hub funded by the Australian Government's National Environmental Science Program (NESP).en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.citationStewart, K. D., Hogg, A. M., England, M. H., Waugh, D. W., & Kiss, A. E. (2021). The Ekman streamfunction and the Eulerian and residual overturning circulations of the Southern Ocean. Geophysical Research Letters, 48, e2021GL093438. https://doi.org/10.1029/2021GL093438en_AU
dc.identifier.issn0094-8276en_AU
dc.identifier.urihttp://hdl.handle.net/1885/293849
dc.language.isoen_AUen_AU
dc.provenancehttps://v2.sherpa.ac.uk/id/publication/27333..."Published version can be made open access on institutional repository after 6 month embargo" from SHERPA/RoMEO site (as at 3.7.2023).en_AU
dc.publisherAmerican Geophysical Unionen_AU
dc.rights© 2021 American Geophysical Unionen_AU
dc.sourceGeophysical Research Lettersen_AU
dc.titleThe Ekman Streamfunction and the Eulerian and Residual Overturning Circulations of the Southern Oceanen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
dcterms.dateAccepted2021-08-13
local.bibliographicCitation.issue17en_AU
local.bibliographicCitation.lastpage12en_AU
local.bibliographicCitation.startpage1en_AU
local.contributor.affiliationStewart, Kial, College of Science, ANUen_AU
local.contributor.affiliationHogg, Andy, College of Science, ANUen_AU
local.contributor.affiliationEngland, Matthew, University of New South Walesen_AU
local.contributor.affiliationWaugh, D. W., Johns Hopkins Universityen_AU
local.contributor.affiliationKiss, Andrew, College of Science, ANUen_AU
local.contributor.authoruidStewart, Kial, u3982523en_AU
local.contributor.authoruidHogg, Andy, u3586031en_AU
local.contributor.authoruidKiss, Andrew, u8808596en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor370803 - Physical oceanographyen_AU
local.identifier.absseo180402 - Antarctic and Southern Ocean oceanic processesen_AU
local.identifier.ariespublicationa383154xPUB22015en_AU
local.identifier.citationvolume48en_AU
local.identifier.doi10.1029/2021GL093438en_AU
local.identifier.scopusID2-s2.0-85114727650
local.publisher.urlhttps://agupubs.onlinelibrary.wiley.com/en_AU
local.type.statusPublished Versionen_AU

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