Articles | Volume 14, issue 4
Data description paper
04 Apr 2022
Data description paper |  | 04 Apr 2022

Towards improved analysis of short mesoscale sea level signals from satellite altimetry

Yves Quilfen, Jean-François Piolle, and Bertrand Chapron

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Cited articles

Ardhuin, F., Gille, S. T., Menemenlis, D., Rocha, C. B., Rascle, N., Chapron, B., Gula, J., and Molemaker, J.: Small-scale open-ocean currents have large effects on wind-wave heights, J. Geophys. Res., 122, 4500–4517,, 2017. 
Callies, J., Ferrari, R., Klymak, J., and Gula, J.: Seasonality in submesoscale turbulence, Nat. Commun., 6, 6862,, 2015. 
Chen, S. and Qiu, B.: Sea surface height variability in the 30–120 km wavelength band from altimetry along-track observations, J. Geophys. Res., 126, e2021JC017284,, 2021. 
Dibarboure, G., Boy, F., Desjonqueres, J. D., Labroue, S., Lasne, Y., Picot, N., Poisson, J. C., and Thibault, J. P.: Investigating short-wavelength correlated errors on low-resolution mode altimetry, J. Atmos. Ocean. Tech., 31, 1337–1362,, 2014. 
Dodet, G., Piolle, J.-F., Quilfen, Y., Abdalla, S., Accensi, M., Ardhuin, F., Ash, E., Bidlot, J.-R., Gommenginger, C., Marechal, G., Passaro, M., Quartly, G., Stopa, J., Timmermans, B., Young, I., Cipollini, P., and Donlon, C.: The Sea State CCI dataset v1: towards a sea state climate data record based on satellite observations, Earth Syst. Sci. Data, 12, 1929–1951,, 2020. 
Short summary
Satellite sea surface heights (SSHs) are key observations used to monitor ocean dynamics. For each satellite altimeter mission, differing noise mixes with SSH signals preclude analysis of the smallest ocean scales. Using an adaptive filter, a new data set is produced for three altimeters, showing that SSH variability in the mesoscale 30–120 km wavelength band can now be more consistently resolved. For the first time, global small-scale ocean kinetic energy distributions are precisely monitored.
Final-revised paper