Annual reports

Annual reports of validation activities in 2025:

• 2025 Jason-2 GDR-F reprocessing report (May 2025, pdf, 5 MB)

Annual reports of validation activities in 2024:

• 2024 SWOT Nadir Executive summary validation report (May 2025, pdf, 3 Mb)
• 2024 SWOT Nadir annual validation report (May 2025, pdf, 11 Mb)
• 2024 Jason-3 Executive summary validation report (May 2025, pdf, 258 Kb)
• 2024 Jason-3 annual validation report (May 2025, pdf, 3.9 Mb)

Annual reports of validation activities in 2023:

• 2023 Jason-3 Executive summary validation report (Aug 2024, pdf, 231 Kb)
• 2023 Jason-3 annual validation report (Aug 2024, pdf, 4.11 Mb)

Annual reports of validation activities in 2022:

• 2022 Jason-3 Executive summary validation report (Dec 2023, pdf, 1 Mo)
• 2022 Jason-3 annual validation report (Dec 2023, pdf, 14 Ko)
• 2022 Sentinel-6MF Executive summary validation report (June 2023, pdf, 1.6 Mo)
• 2022 Sentinel-6MF annual validation report (June 2023, pdf, 27 Mo) 

Annual reports of validation activities in 2021:

• 2021 Jason-3 executive summary (August 2022, pdf, 1.8 Mo)
• 2021 Jason-3 annual validation report (August 2022, pdf, 35 Mo)
• 2021 Jason-3 Reprocessing report (December 2021, pdf, 46 Mo)
• 2021 End of life Jason-2 CalVal report (18 Mo)
• 2021 Saral/Altika Executive summary validation report (June 2022, pdf, 1.2 Mo)
• 2021 Saral/Altika annual validation report  (June 2022,pdf, 24,2 Mo)
• 2021 Mean Sea Level from Altimetry and Tide-Gauges (March 2022, pdf, 7,5 Mo)

Annual reports of validation activities in 2020:

• 2020 Saral/Altika Executive summary validation report (March 2021, pdf, 2.7 Mo)
• 2020 Saral/Altika annual validation report (March 2021, pdf, 58,6 Mo)
• 2020 Jason-3 Executive summary validation report (March 2021, pdf, 1.7 Mo)
• 2020 Jason-3 annual validation report (March 2021, pdf, 30 Mo)

Annual reports of validation activities in 2019:

• 2019 End of life Jason-2 CalVal report (March 2022, pdf, 18 Mo)
• 2019 Jason-3 Executive summary validation report (March 2020, pdf, 1.6 Mo)
• 2019 Jason-3 annual validation report (March 2020, pdf, 25 Mo)
• 2019 Saral/Altika Executive summary validation report (April 2020, pdf, 2.2 Mo)
• 2019 Saral/Altika annual validation report (April 2020, pdf, 44.8 Mo)

Annual reports of validation activities in 2018:

• 2018 Jason-3 Executive summary validation report (April 2019, pdf, 1.3 Mo)
• 2018 Jason-3 annual validation report (April 2019, pdf, 26 Mo)
• 2018 Saral/Altika Executive summary validation report (April 2019, pdf, 1.9 Mo)
• 2018 Saral/AltiKa annual validation report (April 2019, pdf, 65 Mo)

Annual reports of validation activities in 2017:

• 2017 Validation of altimeter data by comparison with tide gauges measurements and with in-situ T/S ARGO profiles (January 2018, pdf, Mo)
• 2017 Assessment of Orbit Quality through the Sea Surface Height calculation - Yearly report 2017  (February 2018, pdf, 2 Mo)
• 2017 Jason-3 Executive summary validation report (March 2018, pdf, 680 Ko)
• 2017 Jason-3 annual validation report (March 2018, pdf, 26 Mo)
• 2017 Saral/Altika Executive summary validation report (March 2018, pdf, 2 Mo)
• 2017 Saral/AltiKa annual validation report (March 2018, pdf, 51 Mo)
• 2017 Jason-2 Executive summary validation report (March 2018, pdf, 680 Ko)
• 2017 Jason-2 annual validation report (March 2018, pdf, 37 Mo)

Annual reports of validation activities in 2016:

• 2016 Validation of altimeter data by comparison with tide gauges measurements: yearly report 2016 for TOPEX/Poseidon, Jason-1, Jason-2, ERS-2, Envisat and SARAL/AltiKa (March 2017, pdf, 5MB)
• 2016 Assessment of Orbit Quality through the Sea Surface Height calculation (March 2017, pdf, 3Mo)
• 2016 Jason-3 GDR 2016 validation (September 2017, pdf, 1Mo)
• 2016 Jason-3 annual validation report (March 2017, pdf, 6Mo)
• 2016 Saral/AltiKa annual validation report (March 2017, pdf, 52 MB)
• 2016 Jason-2 annual validation report (Feb. 2017, pdf, 6 Mo)
•  
• 2016 Reprocessing of Jason-1 GDRs in version E (Feb. 2017, pdf, 30 Mb)

Annual reports of validation activities in 2015:

• 2015 Annual validation report of comparison of altimetric data with tide gauge measurements (January 2016, pdf, 90 Mb)
• 2015 Annual validation report of comparison of altimetric data with in-situ T/S ARGO profiles (January 2016, pdf, 37 Mb)
• 2015 Saral/Altika annual validation report (January 2016, pdf, 46 Mb)
• 2015 Jason-2 annual validation report (January 2016, pdf, 57 Mb)
• 2015 Envisat annual validation report (January 2016, pdf, 18 Mb)

Annual reports of validation activities in 2014: 

• 2014 annual validation report of comparison of altimetric data with tide gauge measurements (April 2015, pdf, 7 Mb)
• 2014 annual validation report of comparison of altimetric data with in-situ T/S ARGO profiles (April 2015, pdf, 6 Mb)
• 2014 Saral  annual validation report (April 2015, pdf, 14 Mb)
• 2014 Jason-2 annual validation report (March 2015, pdf, 17 Mb)
• 2014 Report of Envisat validation activities (February 2015) (pdf, 8 Mb)
• 2014 Report of Saral Reprocessing (GDR-T patch 2) (May 2014, pdf, 5 Mb)

HY-2A technical note describing improvement performed to enhance S-IGDR products and analyzing the global quality of RS-IGDR products:

• 2014 HY-2A: Global statistical assessment and cross-calibration with Jason-2 over Ocean. 
  Note that the data used in this technical note are not delivered by Aviso+. Only Level-3 and Level-4 DUACS multimissions are available : HY-2A SLA or ADT (h), MSLA / MADT (h and uv).

Annual reports of validation activities in 2013: 

• 2013 annual validation report of comparison of altimetric data with tide gauge measurements (May 2014, pdf, 5 Mb)
• 2013 annual validation report of comparison of altimetric data with in-situ T/S ARGO profiles (April 2014, pdf, 9 Mb)
• 2013 Saral  annual validation report (April 2014, pdf, 16 Mb)
• 2013 Jason-1 annual validation report (April 2014, pdf, 20 Mb)
• 2013 Envisat annual validation report (February 2014, pdf, 13 Mb)

Annual reports of validation activities in 2012: 

• 2012 results for tide gauges and Argo comparisons with altimetry
• Validation of year 2012 GDRs of Jason-2, Jason-1 and Envisat
• Jason-2 2012 reprocessing (GDRs in version D)

Annual reports of validation activities in 2011: 

• 2011 Results for tide gauges and Argo comparisons with altimetry
• Validation of year 2011 GDRs of Jason-1, Jason-2 and Envisat
• Envisat 2011 reprocessing

 For previous years, you may visit the subpages of the missions where all the annual reports are available.