The Cryosphere
The Cryosphere
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Articles | Volume 15, issue 4
Articles | Volume 15, issue 4
https://doi.org/10.5194/tc-15-2041-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-2041-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 4
Research article
 | 
23 Apr 2021
Research article |  | 23 Apr 2021

Top-of-permafrost ground ice indicated by remotely sensed late-season subsidence

Simon Zwieback and Franz J. Meyer

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Short summary
Thawing of ice-rich permafrost leads to subsidence and slumping, which can compromise Arctic infrastructure. However, we lack fine-scale maps of permafrost ground ice, chiefly because it is usually invisible at the surface. We show that subsidence at the end of summer serves as a fingerprint with which near-surface permafrost ground ice can be identified. As this can be done with satellite data, this method may help improve ground ice maps and thus sustainably steward the Arctic.
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