Articles | Volume 18, issue 5
https://doi.org/10.5194/os-18-1263-2022
https://doi.org/10.5194/os-18-1263-2022
Research article
 | 
01 Sep 2022
Research article |  | 01 Sep 2022

On the uncertainty associated with detecting global and local mean sea level drifts on Sentinel-3A and Sentinel-3B altimetry missions

Rémi Jugier, Michaël Ablain, Robin Fraudeau, Adrien Guerou, and Pierre Féménias

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Latest update: 17 Apr 2024
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Short summary
To ensure that the sea level is measured as accurately as possible by satellite altimeters, we must monitor possible sea level drifts caused by those instruments through comparison with other satellite altimeters or tide gauges. In this paper, we describe a method and estimate the associated uncertainties for detecting altimeter drifts over short time periods (from 2 to 10 years) through cross-comparison with other satellite altimeters and apply it to the recent Sentinel-3 A/B altimeters.