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01.10.2025 Temporal extension of Experimental Multimission Gridded Sea Level Heights and Velocities with SWOT

The product "Experimental Multimission Gridded Level 4 Sea Level Heights and Velocities with SWOT using MIOST mapping method" has been extended until 2025/06/30.[more]

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19.09.2025 Transition of OSI SAF Sea-Ice Products from SSMIS to AMSR-2 Data

Following a planned discontinuation of SSMIS data provision in September 2026, and aligned with EUMETSAT recommendations, the CNES/CLS production teams have transitioned to using AMSR-2 data for OSI SAF sea-ice products,...

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01.09.2025 September 2025: (Sub)mesoscale helps in understanding oxygen concentration in the waters

Observation of small-scale processes and filamentation is important to better understand the distribution of biogeochemical properties and the stirring.

[more]

11.08.2025 A third tsunami observed by Swot, due to Kamchatka earthquake

Map of simulation of Tsunami 1 h 10 min after earthquake, with Swot swath (left), model, Swot KaRIn and Swot nadir data over the satellite ground track (right). (Credits: A. Deniau & F. Nencioli for the Swot data processing & the plot, A. Ruiz-Angulo & C. de Marez for the wave propagation model)

Just over an 1 hour after the recent Kamchatka earthquake and subsequent tsunami, the Swot satellite overflew the area, measuring the tsunami wave front, an important addition to tsunami propagation models.

[more]

06.08.2025 New Slope correction for Sentinel-6A SAR altimetry

This product provides slope correction maps for Sentinel-6A SAR mode. These maps are derived from the approach originally developed for LRM mode by Sandwell and Smith (2014), adapted to reflect the geometry and orientation of SAR...

[more]

05.08.2025 August 2025: Filaments help in understanding a harmful algal bloom

Finite-size Lyapunov exponents (FSLEs) and Lagrangian advection of virtual particles from altimetry data, can be used to understand the physical mechanisms of the toxic algae concentration.

[more]

28.07.2025 Sentinel-6B traveling from Europe to its launch base in California

The next reference altimetry satellite, Copernicus Sentinel-6B, has begun its journey to the Vandenberg Space Force Base in California (USA), where it is scheduled to launch on November 17th. [more]

[more]
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