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Mean Sea Level products

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Global and Regional MSL products

The following products are available:

          - GMSL timeseries for reference missions (TopEx-Poseidon, Jason-1,-2,-3, Sentinel-6MF) and auxiliary missions (Saral/Altika, ERS-1,-2, Envisat, GFO)
          - Mono-mission regional maps of sea level trends (1x3 degrees)
          - Ssalto/DUACS regional map of sea level trends (0.25x0.25 degrees)

The product can be downloaded in open acces on the HTTPS server or via the non authenticated FTP download (if the FTP protocol is not supported by your browsers, see this note).
The product is available free of charge for any project or study, and delivered as stated in the licence agreement.


          - GMSL timeseries products are based on reprocessed AVISO L2P along-track V03_00
          - Regional map of sea level trends are based on reprocessed L4 C3S SSALTO/DUACS data


          - Through the interactive vizualisation interface
          - AVISO+ product data portal


          January 2023
               - Introduction of Sentinel-6MF

          September 2021
               - Data reprocessing and updates of the geophysical standards
               - Regional maps for Jason-3 and Saral/Alti-Ka

          March 2017
               - Integration of Jason-3

          October 2016
               - Data reprocessing and updates of the geophysical standards

          July 2014
               - Integration of Saral/Alti-Ka mission

          January 2014
                - Data reprocessing and updates of the geophysical standards

          April 2012
               - Use of ENVISAT V2.1 GDR reprocessed data - Ollivier et al, 2012


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