Articles | Volume 17, issue 3
Ocean Sci., 17, 789–808, 2021
https://doi.org/10.5194/os-17-789-2021
Ocean Sci., 17, 789–808, 2021
https://doi.org/10.5194/os-17-789-2021

Research article 17 Jun 2021

Research article | 17 Jun 2021

The new CNES-CLS18 global mean dynamic topography

Sandrine Mulet et al.

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Latest update: 04 Dec 2021
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Short summary
Satellite altimetry has revolutionized ocean observation by allowing the sea level to be monitored with very good spatiotemporal coverage. However, only the sea level anomalies are retrieved; to monitor the whole oceanic signal a temporal mean (called mean dynamic topography, MDT) must be added to these anomalies. In this study we present the newly updated CNES-CLS18 MDT. An evaluation of this new solution shows significant improvements in both strong currents and coastal areas.