The Cryosphere
The Cryosphere
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Articles | Volume 17, issue 4
Articles | Volume 17, issue 4
https://doi.org/10.5194/tc-17-1623-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-17-1623-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 4
Research article
 | 
13 Apr 2023
Research article |  | 13 Apr 2023

Cosmogenic-nuclide data from Antarctic nunataks can constrain past ice sheet instabilities

Anna Ruth W. Halberstadt, Greg Balco, Hannah Buchband, and Perry Spector

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Short summary
This paper explores the use of multimillion-year exposure ages from Antarctic bedrock outcrops to benchmark ice sheet model predictions and thereby infer ice sheet sensitivity to warm climates. We describe a new approach for model–data comparison, highlight an example where observational data are used to distinguish end-member models, and provide guidance for targeted sampling around Antarctica that can improve understanding of ice sheet response to climate warming in the past and future.
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