Ocean Science
Ocean Science
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Articles | Volume 21, issue 5
Articles | Volume 21, issue 5
https://doi.org/10.5194/os-21-2019-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-21-2019-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 5
Research article
 | 
18 Sep 2025
Research article |  | 18 Sep 2025

The global ocean mixed layer depth derived from an energy approach based on buoyancy work

Efraín Moreles, Emmanuel Romero, Karina Ramos-Musalem, and Leonardo Tenorio-Fernandez

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Short summary
The mixed layer, where ocean properties are uniform, is key to ocean dynamics and ocean-atmosphere interactions. We propose an alternative definition of the mixed layer as the layer in which water parcels can move with little or no work. This approach provides realistic estimates of mixed-layer depth across space and time under diverse ocean conditions. It has potential implications for improving our understanding of various ocean-atmosphere phenomena, including dynamic and thermodynamic ones.
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