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Articles | Volume 19, issue 10
Articles | Volume 19, issue 10
https://doi.org/10.5194/tc-19-5135-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-5135-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 10
Research article
 | 
28 Oct 2025
Research article |  | 28 Oct 2025

Sub-grid parameterization of iceberg drag in a coupled iceberg–ocean model

Paul T. Summers, Rebecca H. Jackson, and Alexander A. Robel

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Short summary
We develop a method that allows numerical ocean models to include drag from icebergs, even for icebergs smaller than the model grid scale. This builds upon previous models that have either neglected iceberg drag or required higher resolution to model individual icebergs. We test our model against higher-resolution models, as well as models without iceberg drag, and show that including drag from icebergs is important for capturing realistic ocean circulation, temperature, and ice melt rates.
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