The Cryosphere
The Cryosphere
TC
Articles | Volume 20, issue 1
Articles | Volume 20, issue 1
https://doi.org/10.5194/tc-20-265-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-265-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 1
Research article
 | 
16 Jan 2026
Research article |  | 16 Jan 2026

Characterizing near-surface permafrost in Utqiaġvik, Alaska, using Electrical Resistivity Tomography and Ground Penetrating Radar

Valentina Ekimova, MacKenzie A. Nelson, Taylor Sullivan, Thomas A. Douglas, Howard E. Epstein, and Matthew G. Jull

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Short summary
Permafrost beneath Arctic communities is highly sensitive to surface heat and moisture. Geophysics at four Utqiaġvik (Alaska) sites shows that infrastructure – buildings, roads, snow fences – reshapes snow and drainage, redirecting heat and water. Thaw deepens near disturbed ground, while undisturbed, vegetated terrain stays shallower or heaves. Local land use and surface conditions can outweigh regional climate signals, guiding design, maintenance, and risk planning for Arctic infrastructure.
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