ALTICAP: a new global satellite altimetry  product for coastal applications

Cancet, Mathilde; Birol, Florence; Vergara, Oscar; Dagneaux, Quentin; Léger, Fabien; Bignalet-Cazalet, François; Daguze, Jean-Alexis; Fouchet, Ergane; Homerin, Alexandre; Maraldi, Claire; Niño, Fernando; Pujol, Marie-Isabelle; Tran, Ngan

doi:10.5194/essd-18-2319-2026

Articles | Volume 18, issue 3

https://doi.org/10.5194/essd-18-2319-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/essd-18-2319-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 3

Data description article

|

30 Mar 2026

Data description article |

| 30 Mar 2026

ALTICAP: a new global satellite altimetry product for coastal applications

Mathilde Cancet, Florence Birol, Oscar Vergara, Quentin Dagneaux, Fabien Léger, François Bignalet-Cazalet, Jean-Alexis Daguze, Ergane Fouchet, Alexandre Homerin, Claire Maraldi, Fernando Niño, Marie-Isabelle Pujol, and Ngan Tran

Data sets

ALTimetry Innovative Coastal Approach Product (ALTICAP) LEGOS, CLS, and Noveltis https://doi.org/10.24400/527896/a01-2023.020

Global Ocean - Delayed Mode Sea level product EU Copernicus Marine Service Information (CMEMS) https://doi.org/10.17882/93670

Jason-2 Geophysical Data Record (GDR), distributed by AVISO+ CNES https://www.aviso.altimetry.fr/en/data/products/

X-TRACK-L2P Coastal along-track sea level anomalies (Version v2.2) CTOH https://doi.org/10.24400/527896/A01-2022.020

EOT20 - A global Empirical Ocean Tide model from multi-mission satellite altimetry M. Hart-Davis et al. https://doi.org/10.17882/79489

FES2022 (Finite Element Solution) Ocean Tide (Version 2022) LEGOS et al. https://doi.org/10.24400/527896/A01-2024.004

CNES_CLS 2022 Mean Sea Surface (Version 2022) CLS https://doi.org/10.24400/527896/A01-2022.017

Short summary

Observing sea level variations at high resolution is paramount for coastal scientific, societal and economic issues. ALTICAP (ALTimetry Innovative Coastal Approach Product) is a new product of Sea Level Anomaly derived from Jason-3 20 Hz along track satellite altimetry and benefiting from the most recent corrections. It covers all coastal ocean up to 500 km from land, from February 2016 to July 2021. It also provides collocated altimetric significant wave height and wind speed.