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22.12.2025 Version 2 of Wet troposphere correction from water vapour climate data records

Release of Version 2.0 of the Wet troposphere correction from water vapour climate data records.

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18.12.2025 Swot, already 3 years old!

Swot was launched three years ago, on December 16, 2022, as part of a collaboration between Nasa/JPL and Cnes, including contributions from UKSA and CSA.[more]

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18.12.2025 December 2025: Swot for ocean forecasting

Swot data can be assimilated to compute even better ocean forecasts.

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17.12.2025 Copernicus Sentinel-6B delivers first altimeter images and reaches final orbit

Ground tracks of the Copernicus altimeter missions Sentinel-6B and Sentinel-6 Michael Freilich (respectively S6B and S6MF represented by thick lines), showing the Gulf Stream current in the North Atlantic Ocean off the coast of the United States. Colours along the tracks show sea level relative to a long-term average: red indicates higher-than-usual sea level, blue indicates lower-than-usual. Knowledge of Gulf Stream current systems is important for both ship routing and fisheries. The background image shows a global map of sea-surface height anomalies based on satellite altimeter data produced by the Copernicus Marine Service for 26 November 2025. All altimeter tracks display data collected on that same day. Image illustrative and not for operational use. Image: Contains modified Copernicus Sentinel data (2025), processed by Eumetsat

The first altimeter images from the European-US ocean-monitoring satellite Copernicus Sentinel-6B have been released on 16 December, just weeks after its successful launch on 17 November 2025, offering an early demonstration of...[more]

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12.12.2025 New version DT2024 of El Niño Southern Oscillation product

The El Niño Southern Oscillation maps and indexes have been updated with the DT2024 version of the DUACS input data.

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03.12.2025 SWOT Level-3: version 3.0 reprocessing & shorter latency

A new SWOT Level-3 release (v3.0) is now available on AVISO : L3 basic & expert 2-km products have been upgraded.

[more]

25.11.2025 New version 3.0 of the 4DAtlantic-OHC product

The new version 3.0 of the 4DAtlantic-OHC (Ocean Heat Content) product is now available on Global Ocean.

[more]
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