The Cryosphere
The Cryosphere
TC
Articles | Volume 20, issue 7
Articles | Volume 20, issue 7
https://doi.org/10.5194/tc-20-3933-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-3933-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 7
Research article
 | 
17 Jul 2026
Research article |  | 17 Jul 2026

Long-term InSAR and streamflow recession analysis reveal accelerated permafrost degradation in the mining area of the Qilian Mountains

Tian Chang, Yonghong Yi, Masato Furuya, Huiru Jiang, Tao Che, Youhua Ran, Lin Liu, and Rongxing Li

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Short summary
We combined a long-term surface deformation dataset derived from multi-frequency Interferometric Synthetic Aperture Radar with streamflow recession analysis to assess potential destruction effects of historic mining on permafrost in the Qilian Mountains. Results show that post-mining surface deformation intensifies alongside marked recession slowdown, signaling permafrost thaw. These findings highlight long-lasting effects of human disturbance on permafrost degradation under regional warming.
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