The Cryosphere
The Cryosphere
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Articles | Volume 15, issue 8
Articles | Volume 15, issue 8
https://doi.org/10.5194/tc-15-4099-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-4099-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 8
Research article
 | 
26 Aug 2021
Research article |  | 26 Aug 2021

Satellite altimetry detection of ice-shelf-influenced fast ice

Gemma M. Brett, Daniel Price, Wolfgang Rack, and Patricia J. Langhorne

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Short summary
Ice shelf meltwater in the surface ocean affects sea ice formation, causing it to be thicker and, in particular conditions, to have a loose mass of platelet ice crystals called a sub‐ice platelet layer beneath. This causes the sea ice freeboard to stand higher above sea level. In this study, we demonstrate for the first time that the signature of ice shelf meltwater in the surface ocean manifesting as higher sea ice freeboard in McMurdo Sound is detectable from space using satellite technology.
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