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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
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GMD | Articles | Volume 13, issue 7
Geosci. Model Dev., 13, 3347–3371, 2020
https://doi.org/10.5194/gmd-13-3347-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Nucleus for European Modelling of the Ocean - NEMO

Geosci. Model Dev., 13, 3347–3371, 2020
https://doi.org/10.5194/gmd-13-3347-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Development and technical paper 30 Jul 2020

Development and technical paper | 30 Jul 2020

Representation of the Denmark Strait overflow in a z-coordinate eddying configuration of the NEMO (v3.6) ocean model: resolution and parameter impacts

Pedro Colombo et al.

Data sets

Initialization data for 1/12◦ and 1/36◦ simulation P. Colombo https://doi.org/10.5281/zenodo.3568244

Initialization data for 1/60◦ simulations, P. Colombo https://doi.org/10.5281/zenodo.3568283

Model code and software

Nemo code, namelists and postprocessing scripts Colombo https://doi.org/10.5281/zenodo.3568221

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Short summary
In the ocean circulation model NEMO, the representation of the overflow of dense Arctic waters through the Denmark Strait is investigated. In this z-coordinate context, sensitivity tests show that the mixing parameterizations preferably act along the model grid slope. Thus, the representation of the overflow is more sensitive to resolution than to parameterization and is best when the numerical grid matches the local topographic slope.
In the ocean circulation model NEMO, the representation of the overflow of dense Arctic waters...
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