Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 18, issue 6
Articles | Volume 18, issue 6
https://doi.org/10.5194/essd-18-4179-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-4179-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 6
Data description article
 | 
18 Jun 2026
Data description article |  | 18 Jun 2026

Global thermocline vertical velocities: a novel observation based estimate

Diego Cortés-Morales, Alban Lazar, Diana Ruiz Pino, and Juliette Mignot

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Short summary
OLIV3 (Observation-based LInear Vorticity Vertical Velocities) is a new global dataset of large-scale oceanic vertical velocities. It is derived from the geostrophic linear vorticity balance, combining in situ and satellite, meridional velocities and wind stress. Comparisons with reanalysis and observation-based products show that OLIV3 captures the large-scale vertical flow, its climatology, and temporal variability, providing a better description of the ocean interior than Ekman pumping.
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