Updates and reprocessing

Averaged Maps of Sea Level Anomalies (in cm) for the periods [1993-2012] used in the Ssalto/Duacs 2014 Delayed-Time reprocessing to re-reference Sea Level Anomalies. (Credits CNES/CLS, 2014).

Aviso have been distributing altimetry data worldwide since 1992. Since that date, satellite altimetry has evolved: new missions, upgrades, reprocessing, new standards, new processing methods, etc, allowing significant impact on the product quality.

For each upgrade or change for a given product, Aviso communicate with users by these dedicated pages (or by email if you’ve registered to this product on the registration form)

Monomission data updates
Updates on GDRs (OGDR, Igdr, GDR), CorSSH products (ie not intercalibrated products) : Example: List of releases for a new version on GDR, news for change in orbit, news for new standards, …
CFOSAT evolutions on products
List of the evolutions of SWIM and SCAT processing chains
Auxiliary data
Update of the Mean Dynamic Topography MDT-CNES-CLS13 to the Mean Dynamic Topography MDT-CNES-CLS18
Ssalto/Duacs product changes and updates
Chronological list of Ssalto/Duacs product changes and updates: for examples, regular temporal extensions for Delayed-Time products, integration of new missions in Near-Real Time products, etc
Ssalto/Duacs Delayed-Time reprocessing
The historical altimetry database is updated every 3-4 years to the most recent reprocessed GDR, homogeneous standards and processing, etc, allowing significant impact on the product quality. See some precise examples highlighting these real improvements for the reprocessing performed in 2010, 2014, and 2018.
Eddy Trajectory Atlas
List of updates and software upgrades.
PISTACH Coastal & Hydrology products: updates and reprocessing
List of updates and software upgrades.
X-TRACK Coastal products updates and reprocessing
CTOH X-TRACK processor (coastal products) updates and reprocessing.

Data