Articles | Volume 19, issue 4
https://doi.org/10.5194/os-19-1277-2023
https://doi.org/10.5194/os-19-1277-2023
Research article
 | 
22 Aug 2023
Research article |  | 22 Aug 2023

Nouméa: a new multi-mission calibration and validation site for past and future altimetry missions?

Clémence Chupin, Valérie Ballu, Laurent Testut, Yann-Treden Tranchant, and Jérôme Aucan

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Short summary
Reducing uncertainties in coastal sea level trend estimates requires a better understanding of altimeter measurements and local sea level dynamics. Using long-term sea level time series from the Nouméa tide gauge (New Caledonia) and in situ data collected as part of the GEOCEAN-NC campaign, this study presents a method inspired from Cal/Val studies to re-analyse about 20 years of altimetry observations and re-address the question of sea level evolution in the lagoon.
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