Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 17, issue 18
Articles | Volume 17, issue 18
https://doi.org/10.5194/gmd-17-6967-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-17-6967-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 18
Development and technical paper
 | 
19 Sep 2024
Development and technical paper |  | 19 Sep 2024

Spurious numerical mixing under strong tidal forcing: a case study in the south-east Asian seas using the Symphonie model (v3.1.2)

Adrien Garinet, Marine Herrmann, Patrick Marsaleix, and Juliette Pénicaud

Data sets

Spurious numerical mixing in a regional configuration of the Symphonie ocean model over the South-East asian Seas (3.1.2 of the Symphonie ocean model.) Adrien Garinet https://doi.org/10.5281/zenodo.10715502

Global Ocean Physics Reanalysis (GLORYS12V1) E.U. Copernicus Marine Service Information (CMEMS) https://doi.org/10.48670/moi-00021

Global Ocean OSTIA Sea Surface Temperature and Sea Ice Reprocessed E.U. Copernicus Marine Service Information (CMEMS) https://doi.org/10.48670/moi-00168

Argo float data and metadata from Global Data Assembly Centre (Argo GDAC) Argo https://doi.org/10.17882/42182

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Short summary
Mixing is a crucial aspect of the ocean, but its accurate representation in computer simulations is made challenging by errors that result in unwanted mixing, compromising simulation realism. Here we illustrate the spurious effect that tides can have on simulations of south-east Asia. Although they play an important role in determining the state of the ocean, they can increase numerical errors and make simulation outputs less realistic. We also provide insights into how to reduce these errors.
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