Articles | Volume 16, issue 5
The Cryosphere, 16, 1821–1844, 2022
https://doi.org/10.5194/tc-16-1821-2022
The Cryosphere, 16, 1821–1844, 2022
https://doi.org/10.5194/tc-16-1821-2022
Research article
13 May 2022
Research article | 13 May 2022

Kara and Barents sea ice thickness estimation based on CryoSat-2 radar altimeter and Sentinel-1 dual-polarized synthetic aperture radar

Juha Karvonen et al.

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Short summary
We propose a method to provide sea ice thickness (SIT) estimates over a test area in the Arctic utilizing radar altimeter (RA) measurement lines and C-band SAR imagery. The RA data are from CryoSat-2, and SAR imagery is from Sentinel-1. By combining them we get a SIT grid covering the whole test area instead of only narrow measurement lines from RA. This kind of SIT estimation can be extended to cover the whole Arctic (and Antarctic) for operational SIT monitoring.