Dynamic Response to Ice Shelf Basal Meltwater Relevant to Explain Observed Sea Ice Trends Near the Antarctic Continental Shelf

dc.contributor.authorHuneke, Wilma
dc.contributor.authorHobbs, William
dc.contributor.authorKlocker, Andreas
dc.contributor.authorNaughten, Kaitlin
dc.date.accessioned2024-08-28T04:12:39Z
dc.date.available2024-08-28T04:12:39Z
dc.date.issued2023
dc.date.updated2024-04-28T08:15:45Z
dc.description.abstractObserved Antarctic sea ice trends up to 2015 have a distinct regional and seasonal pattern, with a loss during austral summer and autumn in the Bellingshausen and Amundsen Seas, and a year-round increase in the Ross Sea. Global climate models generally failed to reproduce the magnitude of sea ice trends implying that the models miss relevant mechanisms. One possible mechanism is basal meltwater, which is generally not included in the current generation of climate models. Previous work on the effects of meltwater on sea ice has focused on thermodynamic processes. However, local freshening also leads to dynamic changes, affecting ocean currents through geostrophic balance. Using a coupled ocean/sea-ice/ice-shelf model, we demonstrate that basal melting can intensify coastal currents in West Antarctica and the westward transport of sea ice. This change in transport results in sea ice anomalies consistent with observations, and may explain the disparity between climate models and observations.
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn0094-8276
dc.identifier.urihttps://hdl.handle.net/1885/733716024
dc.language.isoen_AUen_AU
dc.provenanceThis is an open access article underthe terms of the Creative CommonsAttribution-NonCommercial License,which permits use, distribution andreproduction in any medium, provided theoriginal work is properly cited and is notused for commercial purposes
dc.publisherAmerican Geophysical Union
dc.rights© 2023 The authors
dc.rights.licenseCreative Commons Attribution licence
dc.rights.urihttp://creativecommons.org/licenses/ by-nc/4.0/
dc.sourceGeophysical Research Letters
dc.titleDynamic Response to Ice Shelf Basal Meltwater Relevant to Explain Observed Sea Ice Trends Near the Antarctic Continental Shelf
dc.typeJournal article
dcterms.accessRightsOpen Access
local.bibliographicCitation.issue24
local.contributor.affiliationHuneke, Wilma, College of Science, ANU
local.contributor.affiliationHobbs, William, University of Tasmania
local.contributor.affiliationKlocker, Andreas, NORCE Norwegian Research Centre
local.contributor.affiliationNaughten, Kaitlin, British Antarctic Survey
local.contributor.authoremailu1102045@anu.edu.au
local.contributor.authoruidHuneke, Wilma, u1102045
local.description.notesImported from ARIES
local.identifier.absfor370803 - Physical oceanography
local.identifier.absseo280107 - Expanding knowledge in the earth sciences
local.identifier.ariespublicationa383154xPUB45924
local.identifier.citationvolume50
local.identifier.doi10.1029/2023GL105435
local.identifier.scopusID2-s2.0-85179694972
local.identifier.uidSubmittedBya383154
local.publisher.urlhttps://agupubs.onlinelibrary.wiley.com/
local.type.statusPublished Version
publicationvolume.volumeNumber50

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