Articles | Volume 15, issue 4
https://doi.org/10.5194/os-15-1091-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-15-1091-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
On the resolutions of ocean altimetry maps
Maxime Ballarotta
CORRESPONDING AUTHOR
Collecte Localisation Satellites, 31520 Ramonville-Saint-Agne, France
Clément Ubelmann
Collecte Localisation Satellites, 31520 Ramonville-Saint-Agne, France
Marie-Isabelle Pujol
Collecte Localisation Satellites, 31520 Ramonville-Saint-Agne, France
Guillaume Taburet
Collecte Localisation Satellites, 31520 Ramonville-Saint-Agne, France
Florent Fournier
Collecte Localisation Satellites, 31520 Ramonville-Saint-Agne, France
Jean-François Legeais
Collecte Localisation Satellites, 31520 Ramonville-Saint-Agne, France
Yannice Faugère
Collecte Localisation Satellites, 31520 Ramonville-Saint-Agne, France
Antoine Delepoulle
Collecte Localisation Satellites, 31520 Ramonville-Saint-Agne, France
Dudley Chelton
College of Earth, Ocean and Atmospheric Sciences, Oregon State
University, Corvallis, OR, USA
Gérald Dibarboure
Centre National d'Études Spatiales, 31400 Toulouse, France
Nicolas Picot
Centre National d'Études Spatiales, 31400 Toulouse, France
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Latest update: 14 Dec 2024
Short summary
This study investigates the resolving capabilities of the DUACS gridded products delivered through the CMEMS catalogue. Our method is based on the noise-to-signal ratio approach. While altimeter along-track data resolve scales on the order of a few tens of kilometers, we found that the merging of these along-track data into continuous maps in time and space leads to effective resolution ranging from ~ 800 km wavelength at the Equator to 100 km wavelength at high latitude.
This study investigates the resolving capabilities of the DUACS gridded products delivered...