The Cryosphere
The Cryosphere
TC
Articles | Volume 20, issue 7
Articles | Volume 20, issue 7
https://doi.org/10.5194/tc-20-4037-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-4037-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 7
Research article
 | 
22 Jul 2026
Research article |  | 22 Jul 2026

Freshly calved icebergs from Sermeq Kujalleq in Kangia, Greenland: is their blue ice temperate?

Antoine Zaninetti, Martin P. Lüthi, Adrien Wehrlé, Janneke van Ginkel, and Ana Nap

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Short summary
We investigate the spectral and thermal properties of the strikingly blue ice present on freshly calved icebergs from polar ice streams using satellite multispectral imaging and on-site thermal imaging. Blue ice exhibits unique properties. Several hypotheses have been proposed, but none can fully explain the phenomenon which might be crucial for the understanding of the fast, complex flow dynamics of ice streams.
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