The Cryosphere
The Cryosphere
TC
Articles | Volume 19, issue 10
Articles | Volume 19, issue 10
https://doi.org/10.5194/tc-19-4701-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-4701-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 10
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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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on egusphere-2024-3351', Anonymous Referee #1, 14 Jan 2025
    • AC2: 'Reply on RC1', Karl Kortum, 10 Apr 2025
  • RC2: 'Comment on egusphere-2024-3351', Anonymous Referee #2, 15 Jan 2025
    • AC1: 'Reply on RC2', Karl Kortum, 10 Apr 2025

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
ED: Reconsider after major revisions (further review by editor and referees) (23 May 2025) by Michel Tsamados
AR by Karl Kortum on behalf of the Authors (20 Jun 2025)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (12 Jul 2025) by Michel Tsamados
RR by Anonymous Referee #1 (14 Jul 2025)
RR by Anonymous Referee #2 (07 Aug 2025)
ED: Publish subject to technical corrections (09 Aug 2025) by Michel Tsamados
AR by Karl Kortum on behalf of the Authors (22 Aug 2025)  Manuscript 
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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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