Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 18, issue 21
Articles | Volume 18, issue 21
https://doi.org/10.5194/gmd-18-8091-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/gmd-18-8091-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 21
Development and technical paper
 | 
30 Oct 2025
Development and technical paper |  | 30 Oct 2025

DINO: a diabatic model of pole-to-pole ocean dynamics to assess subgrid parameterizations across horizontal scales

David Kamm, Julie Deshayes, and Gurvan Madec

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Short summary
We propose an idealized model of pole-to-pole ocean dynamics designed as a testbed for eddy parameterizations across a range of horizontal scales. While computationally affordable, it is able to capture key metrics of the climate system. By comparing simulations at low, intermediate, and high horizontal resolution, we demonstrate its utility for evaluating eddy parameterizations, in terms of both their effect on the mean state and diagnosis of the unresolved eddy fluxes they aim to represent.
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Nucleus for European Modelling of the Ocean - NEMO