Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 19
Articles | Volume 19, issue 19
https://doi.org/10.5194/gmd-19-9441-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-9441-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 19
Model description paper
 | 
07 Oct 2026
Model description paper |  | 07 Oct 2026

The one-Layer Antarctic model for Dynamical Downscaling of Ice–ocean Exchanges (LADDIE) version 2.0

Erwin Lambert, Franka Jesse, and Constantijn J. Berends

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Short summary
The future contribution of Antarctica to sea-level rise is strongly dependent on the melting of floating ice shelves by the underlying ocean. Here, we present version 2 of the two-dimensional ocean model LADDIE. We evaluate the model by comparing it to three-dimensional ocean models and satellite observations, showing good performance at low computational cost. With this open-source model, we hope to contribute to the evolution toward more realistic melting in ice sheet model simulations.
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