The Cryosphere
The Cryosphere
TC
Articles | Volume 20, issue 6
Articles | Volume 20, issue 6
https://doi.org/10.5194/tc-20-3369-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-3369-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 6
Research article
 | 
11 Jun 2026
Research article |  | 11 Jun 2026

A multisensor C-band synthetic aperture radar (SAR) approach to retrieve freeze/thaw cycles: a case study for a low Arctic environment

Charlotte Crevier, Alexandre Langlois, Chris Derksen, and Alexandre Roy

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Short summary
A multisensor C-Band Synthetic Aperture Radar (SAR) near-daily time series in an Arctic environment was developed to create a high-resolution freeze/thaw (FT) algorithm with an accuracy of 96 %. The FT detection was highly correlated to near-surface state as measured by soil temperature. Small but significant FT date differences were identified for different Arctic ecotypes, showing the spatial variability of freeze/thaw process in Arctic environment.
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