Articles | Volume 10, issue 4
Research article
08 Jul 2016
Research article |  | 08 Jul 2016

About the consistency between Envisat and CryoSat-2 radar freeboard retrieval over Antarctic sea ice

Sandra Schwegmann, Eero Rinne, Robert Ricker, Stefan Hendricks, and Veit Helm


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Latest update: 04 Mar 2024
Short summary
Our study aimed to investigate whether CS-2 and Envisat radar freeboard can be merged without intermission biases in order to obtain a 20-year data set. The comparison revealed a reasonable regional agreement between radar freeboards derived from both sensors. Differences are mostly below 0.1 m for modal freeboard and even less for mean freeboard over winter months (May–October). The highest differences occur in regions with multi-year sea ice and along the coasts.