Articles | Volume 19, issue 10
https://doi.org/10.5194/tc-19-4701-2025
https://doi.org/10.5194/tc-19-4701-2025
Research article
 | 
21 Oct 2025
Research article |  | 21 Oct 2025

Sea ice freeboard extrapolation from ICESat-2 to Sentinel-1

Karl Kortum, Suman Singha, and Gunnar Spreen

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Short summary
Improved sea ice observations are essential to understanding the processes that lead to the strong warming effect currently being observed in the Arctic. In this work, we combine complementary satellite measurement techniques and find remarkable correlations between the two observations. This allows us to expand the coverage of ice topography measurements to a scope and resolution that could not previously be observed.
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