Latest News
10.11.2023 Rapid-changing ocean circulation seen thanks to the Swot 1-day orbit
![](/fileadmin/_processed_/c/5/csm_1day_slow_1stframe_c57df6503e.gif)
During the first six months of the mission, Swot was placed in a 1-day orbit that passed over the same point every day, with the added benefit of observing rapidly changing features of the oceans.
10.11.2023 November 2023: Altimetry helps in coastal flood risk warnings
![](/fileadmin/_processed_/5/f/csm_202311_warning-map_7f846dcb62.png)
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.
18.10.2023 Swot's detailed view of the ocean
![Left panel Swot Sea Surface Height Anomalies (2 km) over the North-West Atlantic region on February 4, 2023. Sea Surface Temperature (middle panel) and Chlorophyll-A (right panel) maps over the same region. Left panel Swot Sea Surface Height Anomalies (2 km) over the North-West Atlantic region on February 4, 2023. Sea Surface Temperature (middle panel) and Chlorophyll-A (right panel) maps over the same region (Credits Cnes/CLS/JPL for Swot data (L3 product), Copernicus Marine Service for SST data, CLS for Chlorophyll-A data)](/fileadmin/_processed_/4/b/csm_submeso_48391c5c4f.png)
One of the Swot mission (Nasa/Cnes) goals is to detect fine scale ocean features (15-150 km), unprecedently observed by nadir-looking altimeters.[more]
16.10.2023 New DAC dedicated to SWOT Calval Phase
![](/fileadmin/_processed_/4/0/csm_DAC2J_plot_globe_5689573a14.png)
The Dynamic Atmospheric Correction dedicated to the SWOT Calval phase is now available on AVISO+. During the SWOT Calval phase, to fulfill the primary DAC objective and focus on the aliased ocean signals, a specific DAC has been...
03.10.2023 Release of MSS CNES CLS 2022
![](/fileadmin/_processed_/6/c/csm_aviso_mss_cnes_cls2022_sm_d0f1f467c0.png)
The Mean Sea Surface MSS CNES CLS 2022 is now available on AVISO+. It has been computed using a 29-year [1993-2021] period of altimetric data.
01.10.2023 October 2023: Swot scans the Southern Ocean
![© Cnes / Nasa-JPL / Science team Swot / CLS © Cnes / Nasa-JPL / Science team Swot / CLS](/fileadmin/_processed_/2/c/csm_202310_Swot_SO_03da5d381e.png)
Up to now in its calval phase, Swot is starting to deliver its first scientific data, the accuracy of which is already exceeding expectations.
28.09.2023 September 2023: Sea Ice variations around Antarctica
![](/fileadmin/_processed_/e/6/csm_remotesensing-14-04741-g003_0090cc14a5.png)
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.