Articles | Volume 16, issue 4
https://doi.org/10.5194/gmd-16-1191-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-16-1191-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Development and technical paper
| 
20 Feb 2023
Development and technical paper |
| 20 Feb 2023
| 20 Feb 2023
Using the two-way nesting technique AGRIF with MARS3D V11.2 to improve hydrodynamics and estimate environmental indicators
Sébastien Petton
CORRESPONDING AUTHOR
Ifremer, Université Brest, CNRS, IRD, LEMAR, 11 Presqu'île du Vivier, 29840 Argenton, France
Valérie Garnier
Ifremer, Université Brest, CNRS, IRD, LOPS, 1625 Route de Sainte-Anne,
29280 Plouzané, France
Matthieu Caillaud
Ifremer, DYNECO, 1625 Route de Sainte-Anne, 29280 Plouzané, France
Laurent Debreu
INRIA, Université Grenoble Alpes, CNRS, LJK, 38000 Grenoble, France
Franck Dumas
SHOM/STM/REC, 13 Rue de Châtellier CS 92803, 29228 Brest CEDEX
2, France
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Short summary
The nesting AGRIF library is implemented in the MARS3D hydrodynamic model, a semi-implicit, free-surface numerical model which uses a time scheme as an alternating-direction implicit (ADI) algorithm. Two applications at the regional and coastal scale are introduced. We compare the two-nesting approach to the classic offline one-way approach, based on an in situ dataset. This method is an efficient means to significantly improve the physical hydrodynamics and unravel ecological challenges.
The nesting AGRIF library is implemented in the MARS3D hydrodynamic model, a semi-implicit,...
