The Cryosphere
The Cryosphere
TC
Articles | Volume 19, issue 10
Articles | Volume 19, issue 10
https://doi.org/10.5194/tc-19-4259-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-4259-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 10
Research article
 | 
06 Oct 2025
Research article |  | 06 Oct 2025

Ground ice estimation in permafrost samples using industrial computed tomography and multi-sensor core logging and comparison to destructive measurements

Mahya Roustaei, Joel Pumple, Jordan Harvey, and Duane Froese

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Short summary
This study investigated the application of CT (computed tomography) scanning to tackle the limitations of traditional destructive methods in characterizing permafrost cores. Five different permafrost cores were scanned at resolutions of 65 and 25 μm with new calibration method. The identification of different materials from CT images showed air (gas), ice (excess and pore), and sediments using an Otsu segmentation method. The results were validated by a destructive (cuboid) and a non-destructive method.
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