The Cryosphere
The Cryosphere
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Articles | Volume 19, issue 10
Articles | Volume 19, issue 10
https://doi.org/10.5194/tc-19-5003-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-5003-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 10
Research article
 | 
24 Oct 2025
Research article |  | 24 Oct 2025

Rapid regional assessment of rock glacier activity based on DInSAR wrapped-phase signal

Federico Agliardi, Chiara Crippa, Daniele Codara, and Federico Franzosi

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Short summary
We present a semi-automatic method integrating geomorphological data, permafrost extent, and Sentinel-1 differential interferometric synthetic-aperture radar (DInSAR) wrapped-phase signals to assess the activity of 514 periglacial landforms across 1000 km² in Upper Valtellina (Italian Alps). Four activity classes are identified and validated with geomorphological evidence and multivariate statistics. Results highlight the potential of wrapped DInSAR products, free from unwrapping errors, for regional-scale screening and site-specific study selection.
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