DUACS NRT system impacting version changes
| Date | DUACS version | Description of the change |
| Apr-2017 | 17.0 | Sentinel-3A introduced in DUACS processing |
| Oct-2017 | 17.1 | OSTM/Jason-2 Long Repeat Orbit introduced in DUACS processing |
| Mar-2018 | 18.0 | New Mean Profile for Jason-3 and updated mapping parameters |
| Sep-2018 | 18.1 | New Orbit Standards for Jason-3 |
| Sep-2018 | 18.2 | New upstream products for Cryosat-2 |
| Apr-2019 | 18.4 | Sentinel-3B introduced in DUACS processing
Use of new Sentinel-3A Hybrid Mean Profile New Europe L4 product |
| Dec-2019 | 18.4.2 | New MDT used for Global and regional Processing |
| Jan-2020 | SARAL/AltiKa new GDR-F standard | |
| Jul-2020 | 18.4.5 | HY-2B introduced in DUACS processing
Use up-to-date standards for Ocean and Pole tide correction |
| Oct-2020 | 18.7.0 | Jason-3 GDR-F standards changes
Use a new MDT for regional Europe production |
| May-2021 | 18.7.1 | Use a new MDT for regional Europe production |
| Dec-2021 | 19.0.0 | DT-2021 standards uniformization:
– Use new Internal-tide correction – New MSS and Mean profiles – New MDT – Use improved mapping parameters – Improved LWE correction – Netcdf format change |
| Apr 2022 | 19.1.0 | Sentinel-6A introduced & Jason-3 deactivated in DUACS processing |
DUACS MY system impacting version changes
| Date of change | System version | Product version | Description of the change |
| April 2018 | 6.0 | DT-2018 | Full Reprocessing for REP products (1993-2017) for CMEMS v4.0:
DUACS DT-2018 version |
| June 2018 | 6.1 | DT-2018 | Production of the [mid-May 2017, January 2018] period.
Introduction of Jason-2 Long Repeat Orbit Phase. Six satellites are used during this update in the DT processing chain (ALG, C2, H2G, J2G, J3, S3A). |
| October 2018 | 6.1 | DT-2018 | Production of the [January 18,2018 – June 10, 2018] period.
Five satellites are used during this update in the DT processing chain (ALG, C2, H2G, J3, S3A). |
| April 2019 | 6.2 | DT-2018 | Production of the [June 11,2018 – September 23, 2018] period.
– Introduction of the Europe L3 products – Remove Med. and Black Sea L3 products. – L3 products vfex and vxxc are included in new phy_l3 product. – E1G is introduced as a new dataset. Before it was integrated in the E1 mission. – AL and ALG begin and end dates of the temporal period processed by REP/DT systemhas been modified. – Use of new Sentinel-3A Hybrid Mean Profile for global and regional product. Global data have been reprocessed. – All NetCDF produced are in NetCDF-4 format. |
| July 2019 | 6.3 | DT-2018 | Production of the [September 24, 2018 – December, 2018] period.
Introduction of Sentinel-3B |
| December 2019 | 6.3 | DT-2018 | Redelivery of the [September 24, 2018 – January 12, 2019] production for correction of an anomaly of data availability near the coast.
Production of the [January 12, 2019 – May 13, 2019] period. |
| July 2020 | 6.3 | DT-2018 | Production of the [May 14, 2019 – October 15, 2019] period
Add monthly mean dataset |
| Decembre 2020 | 6.3 | DT-2018 | Production of the [October 16, 2019 – March 07, 2020] period
Extension of the monthly mean dataset [October 2019 to February 2020] |
| May 2021 | 6.4 | DT-2018 | H2AG mission is deactivated from DUACS.
Production of the [March 08, 2020 – June 03, 2020] period Extension of the monthly mean dataset [March 2020 to May 2020] |
| Dec 2021 | 7.0 | DT-2021 | Full reprocessing taking into account
– New altimeter standards and geophysical corrections – New MSS and MP – New mapping parameters – Improved LWE correction – NetCDF format change / product/dataset nomenclature change – DT-2018 version is no longer available |