Articles | Volume 19, issue 2
https://doi.org/10.5194/os-19-321-2023
https://doi.org/10.5194/os-19-321-2023
Research article
 | 
23 Mar 2023
Research article |  | 23 Mar 2023

Revisiting the global mean ocean mass budget over 2005–2020

Anne Barnoud, Julia Pfeffer, Anny Cazenave, Robin Fraudeau, Victor Rousseau, and Michaël Ablain

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Cited articles

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. a
Argo: Argo float data and metadata from Global Data Assembly Centre (Argo GDAC), [data set], https://doi.org/10.17882/42182, 2021. a, b
AVISO+: Altimeter along-track Level-2+ products, Ssalto ground processing segment, Dataset available at https://www.aviso.altimetry.fr/ (last access: 22 February 2023), 2021. a
Bandikova, T., McCullough, C., Kruizinga, G. L., Save, H., and Christophe, B.: GRACE accelerometer data transplant, Adv. Space Res., 64, 623–644, https://doi.org/10.1016/j.asr.2019.05.021, 2019. a
Barnoud, A., Pfeffer, J., Guérou, A., Frery, M.-L., Siméon, 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, Geophys. Res. Lett., 48, e2021GL092824, https://doi.org/10.1029/2021gl092824, 2021. a, b
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Short summary
The increase in ocean mass due to land ice melting is responsible for about two-thirds of the global mean sea level rise. The ocean mass variations are monitored by GRACE and GRACE Follow-On gravimetry satellites that faced instrumental issues over the last few years. In this work, we assess the robustness of these data by comparing the ocean mass gravimetry estimates to independent observations (other satellite observations, oceanographic measurements and land ice and water models).