Articles | Volume 21, issue 4
https://doi.org/10.5194/os-21-1425-2025
https://doi.org/10.5194/os-21-1425-2025
Research article
 | 
22 Jul 2025
Research article |  | 22 Jul 2025

Regional sea level trend budget over 2004–2022

Marie Bouih, Anne Barnoud, Chunxue Yang, Andrea Storto, Alejandro Blazquez, William Llovel, Robin Fraudeau, and Anny Cazenave

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Cited articles

Ablain, M., Jugier, R., Zawadki, L., and Taburet, N.: The TOPEX-A Drift and Impacts on GMSL Time Series. AVISO Website, October 2017, https://meetings.aviso.altimetry.fr/fileadmin/user_upload/tx_ausyclsseminar/files/Poster_OSTST17_GMSL_Drift_TOPEX-A.pdf (last access: July 2024), 2017. 
Ablain, M., Meyssignac, B., Zawadzki, L., Jugier, R., Ribes, A., Spada, G., Benveniste, J., Cazenave, A., and Picot, N.: Uncertainty in satellite estimates of global mean sea-level changes, trend and acceleration, Earth Syst. Sci. Data, 11, 1189–1202, https://doi.org/10.5194/essd-11-1189-2019, 2019. 
Adhikari, S., Ivins, E. R., Frederikse, T., Landerer, F. W., and Caron, L.: Sea-level fingerprints emergent from GRACE mission data, Earth Syst. Sci. Data, 11, 629–646, https://doi.org/10.5194/essd-11-629-2019, 2019. 
Barnoud, A., Pfeffer, J., Guérou, A., Frery, M. L., Simeon, M., Cazenave, A., Chen, J., Llovel, W., Thierry, V., Legeais, J. F., and Ablain, M.: Contributions of altimetry and Argo to non-closure of the global mean sea level budget since 2016, published online 26 June 2021, Geophys. Res. Lett., 48, e2021GL092824, https://doi.org/10.1029/2021GL092824, 2021. 
Barnoud, A., Pfeffer, J., Cazenave, A., Fraudeau, R., Rousseau, V., and Ablain, M.: Revisiting the global mean ocean mass budget over 2005–2020, Ocean Sci., 19, 321–334, https://doi.org/10.5194/os-19-321-2023, 2023. 
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Short summary
Present-day sea level rise is not uniform regionally. For better understanding of regional sea level variations, a classical approach is to compare the observed sea level trend patterns with those of the sum of the contributions. If the regional sea level trend budget is not closed, this allows the detection of errors in the observing systems. Our study shows that the trend budget is not closed in the North Atlantic Ocean and identifies errors in Argo-based salinity data as the main suspect.
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