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Gridded and along-track Sea Level Heights - Arctic Ocean

Types of dataset: Experimental Ssalto/Duacs gridded and along-track monomission and multimission altimeter products dedicated to Arctic Ocean. This dataset is one of the experimental products which are available on the SSALTO/DUACS experimental products

DOI10.24400/527896/a01-2020.001   -  more metadata

Contents: multimission sea level heights computed with respect to a twenty-year mean. 

Condition of access : Users should keep in mind that these products are experimental products. Notably, they are not produced on an operational basis. 

Description: Sea level anomaly for the Arctic Ocean from radar altimeter measurements, available for 3 monomission files (along-track and gridded): SARAL/AltiKa, Cryosat-2 and Copernicus Sentinel-3A and also for a multimission gridded file combining the 3 satellites. 

Citation: When using the SSALTO/DUACS experimental products, please cite: "Those products were processed by SSALTO/DUACS (DOI 10.24400/527896/a01-2020.001 version 2.X) and distributed by AVISO+ ( with support from CNES”

Geographic coverage: Arctic Ocean.

Tools and references: 

Copyright: 2010-2022 - CNES/CLS

Video: Arctic Ocean absolute dynamic topography maps from multimission satellite altimetry.
Particules are advected into the ocean currents and the black line denotes the 30% threshold in
sea ice concentration.

Delayed-time gridded and along-track SLA dedicated to Arctic Ocean products

Satellite Area Version Type Authenticated access service Resolution Data period File weight
SARAL/AltiKa Arctic 2.0 along-track (monomission) please refer to
and select the product 
"Ssalto/Duacs Experimental
products: along-track and
gridded Sea Level Heights and velocities"
5Hz - 1km/
1 day
2013/03/14-2022/01/01 <450 Kb (1 file per day)
Cryosat-2 2010/07/16-2021/12/31 <640 Kb (1 file per day)
Sentinel-3A 2016/07/01-2021/06/30 <600 Kb (1 file per day)
SARAL/AltiKa gridded (monomission) 75 km/10 days (but 2
consecutive dates
are not independent
as a result of 30 days
2013/03/18-2022/07/09 188 Mb
Cryosat-2 2010/07/12-2021/12/31 229 Mb
Sentinel-3A 2013/03/18-2022/07/09 101 Mb
Merged gridded (multimission) 25 km/3 days, but 2
consecutive dates
are not independent
2011/01/03-2021/12/30     3.8 Mb (1 file per 3 days)
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