Climate of the Past
Climate of the Past
CP
Articles | Volume 21, issue 11
Articles | Volume 21, issue 11
https://doi.org/10.5194/cp-21-2465-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-21-2465-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 11
Research article
 | 
26 Nov 2025
Research article |  | 26 Nov 2025

Mid-Holocene sea-ice dynamics and climate in the northeastern Weddell Sea inferred from an Antarctic snow petrel stomach oil deposit

Mark A. Stevenson, Dominic A. Hodgson, Michael J. Bentley, Darren R. Gröcke, Neil Tunstall, Chris Longley, Alice Graham, and Erin L. McClymont

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Short summary
We present a record of sea ice and climate inferred from novel snow petrel stomach oil deposits from East Antarctica. Snow petrels feed in the sea ice on a mixture of marine organisms and regurgitate these oils close to their nesting sites in nunatak mountains. We use makers of past diet and productivity from within a deposit to show how sea ice and climate has varied over part of the Holocene. Three periods are identified ranging from low to intermediate and increased sea ice cover.
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