2023 Images of the Month
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Dec. 2023: Mega-icebergs seen by Swot
Icebergs are visible in Swot data, including such mega-icebergs as the one just going off the Weddell Sea these days.
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Nov. 2023: Altimetry helps in coastal flood risk warnings
Storms can lead to coastal submersion. Useful information for their assessment can be extracted from altimetry datasets, although models are used to forecast them everywhere.
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Oct. 2023: Swot scans the Southern Ocean
Up to now in its calval phase, Swot is starting to deliver its first scientific data, the accuracy of which is already exceeding expectations.
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Sep. 2023: Sea Ice variations around Antarctica
Sea ice thickness can be retrieved by altimeters through the determination of sea ice freeboard and snow depth. It enables to monitor sea ice around Antarctica for the past 20 years or so.
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Aug. 2023: Assessing coastal vulnerability in Ghana
Sea level rise is already adding to extreme events for low-lying coasts. Altimetry helps in assessing the risks.
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Jul. 2023: Detecting eddies around Antarctica
Sea level anomalies gridded datasets encompassing seasonnally-ice covered regions have been computed and released for Arctic and Antarctic. From those, Eddy Kinetic Energy (EKE) and mesoscale eddies detection can be processed.
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Jun. 2023: Doris validates GNSS-based ionospheric models
Doris RT data from Jason-3 can be used to evaluate the quality of ionosphere models from GNSS data
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May 2023: Swot in an Estuary-River system
Swot should bring a whole new perspective on coastal and estuarine studies. The Swot-UK project is focused on such an area, with especially strong tides.
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Apr. 2023: Calibrating Swot over the oceans
A series of oceanographic campaigns is starting this month to compare in situ measurements with those of Swot, to calibrate them.
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Mar. 2023: A new Mean Dynamic Topography released
Twenty years have gone since the first Mean Dynamic Topography dataset disseminated through Aviso. The new CNES-CLS22 MDT is now available for use.
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Feb. 2023: Eddies from altimetry help understand northern elephant seals' behavior
With eddy-detection from altimetry and tracking data, the role of eddies for predators can be better studied
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Jan. 2023: 30 years of El Niño by altimetry
Thirty full years of uninterrupted altimetry data are now available, since January 1993