Articles | Volume 19, issue 3
https://doi.org/10.5194/os-19-811-2023
https://doi.org/10.5194/os-19-811-2023
Research article
 | 
12 Jun 2023
Research article |  | 12 Jun 2023

Validating the spatial variability in the semidiurnal internal tide in a realistic global ocean simulation with Argo and mooring data

Gaspard Geoffroy, Jonas Nycander, Maarten C. Buijsman, Jay F. Shriver, and Brian K. Arbic

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Short summary
The ocean state is sensitive to the mixing originating from internal tides (ITs). To date, our knowledge of the magnitude and spatial distribution of this mixing mostly relies on uncertain modeling. Here, we use novel observations from autonomous floats to validate the spatial variability in the semidiurnal IT in a realistic ocean simulation. The numerical simulation is found to correctly reproduce the main spatial patterns of the observed tidal energy but to be biased low at the global scale.