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Journal Articles Nature Climate Change Year : 2023

How accurate is accurate enough for measuring sea-level rise and variability

Benoit Meyssignac
Michael Ablain
Adrien Guérou
  • Function : Author
Pierre Prandi
  • Function : Author
Anne Barnoud
Sébastien Fourest
  • Function : Author
Victor Rousseau
Anny Cazenave
Jonathan Chenal
Gerald Dibarboure
Craig Donlon
Jérôme Benveniste
  • Function : Author
Annick Sylvestre-Baron
  • Function : Author
Nadya Vinogradova
  • Function : Author

Abstract

Sea-level measurements from radar satellite altimetry have reached a high level of accuracy and precision, which enables detection of global mean sea-level rise and attribution of most of the rate of rise to greenhouse gas emissions. This achievement is far beyond the original objectives of satellite altimetry missions. However, recent research shows that there is still room for improving the performance of satellite altimetry. Reduced uncertainties would enable regionalization of the detection and attribution of the anthropogenic signal in sea-level rise and provide new observational constraints on the water–energy cycle response to greenhouse gas emissions by improving the estimate of the ocean heat uptake and the Earth energy imbalance.
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obspm-04184048 , version 1 (21-08-2023)

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Benoit Meyssignac, Michael Ablain, Adrien Guérou, Pierre Prandi, Anne Barnoud, et al.. How accurate is accurate enough for measuring sea-level rise and variability. Nature Climate Change, 2023, 13 (8), pp.796-803. ⟨10.1038/s41558-023-01735-z⟩. ⟨obspm-04184048⟩
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