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Latest News

27.08.2026 New product: Sentinel-6 Delay-Doppler Altimetry Retracking 5 parameters

This dataset is based on an advanced SAR (Delay-Doppler) processing approach which explicitly accounts for ocean surface dynamics. The methodology incorporates enhanced SAR models that jointly retrieve the standard deviation of...

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26.08.2026 What’s new regarding the Polar Oceans products on AVISO?

This consists of 1/ the release of a new dataset: multimission gridded sea level heights and velocities in v2.0 obtained with the Multiscale Inversion of Ocean Surface Topography (MIOST) mapping approach and 2/ the addition of...[more]

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18.08.2026 Version 4.0 of Mesoscale Eddy Trajectory Atlas

Anticyclonic and Cyclonic eddies detected from the multimission altimetry datasets, with their location, contours, amplitude, radius speed and associated metadata. Eddy detection relies on the pyeddytracker (PET) algorithm.

[more]

04.08.2026 August 2026: classifying sea ice leads and floes in Swot data

A classification of sea ice, made by Legos, based on Swot data distinguishes between leads and floes for each 250-metre pixel

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30.07.2026 Typhoon Bavi seen by nadir altimeters, Swot and Sentinel-1

Significant wave heights over 12 m were measured every day from the 6th to the 11th of July by different nadir altimeters in the vicinity of the typhoon (instantaneous maximum over 14.5 m on the 7th ).

Sentinel-1 SAR sea...

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20.07.2026 [S6-B] Altimetry Level-2 NRT/STC Data Release

On July 16, 2026, EUMETSAT announced the release of new Poseidon-4 altimetry data from the Sentinel-6B mission.[more]

[more]

17.07.2026 Version 2024 of MIOST internal tide Atlas

MIOST-IT24 (Tchilibou et al., 2025) is a global atlas of coherent internal tide developed during the period 2024-2025.

[more]
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