Articles | Volume 18, issue 5
https://doi.org/10.5194/os-18-1339-2022
https://doi.org/10.5194/os-18-1339-2022
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14 Sep 2022
Research article | Highlight paper |  | 14 Sep 2022

Hydrography, circulation, and response to atmospheric forcing in the vicinity of the central Getz Ice Shelf, Amundsen Sea, Antarctica

Vår Dundas, Elin Darelius, Kjersti Daae, Nadine Steiger, Yoshihiro Nakayama, and Tae-Wan Kim

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Latest update: 25 Jun 2024
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The Antarctic is by far the largest body of water (mostly ice in this case) that is not in the sea and therefore potentially important for changing sea level. The large size of the Getz ice shelf and its as yet uncertain potential for melting by oceanic waters below make this an important study for understanding and predicting impacts of a warmer climate.
Short summary
Ice shelves in the Amundsen Sea are thinning rapidly as ocean currents bring warm water into cavities beneath the floating ice. We use 2-year-long mooring records and 16-year-long model simulations to describe the hydrography and circulation near the ice front between Siple and Carney Islands. We find that temperatures here are lower than at neighboring ice fronts and that the transport of heat toward the cavity is governed by wind stress over the Amundsen Sea continental shelf.