Articles | Volume 20, issue 7
https://doi.org/10.5194/tc-20-3847-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-3847-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
14 Jul 2026
Research article |
| 14 Jul 2026
| 14 Jul 2026
Evidence and interpretation of non-linear recession behaviour in a periglacial cliff at Port Foster, Deception Island (South Shetlands, Antarctica)
Dpt. Geological and Mining Engineering, School of Mines and Energy, Universidad Politécnica de Madrid, Rios Rosas 21, 28003 Madrid, Spain
Inés Santalices
Dpt. Geological and Mining Engineering, School of Mines and Energy, Universidad Politécnica de Madrid, Rios Rosas 21, 28003 Madrid, Spain
Celia Sanchíz
Laboratorio de Ingenieros del Ejército “General Marvá”, LABINGE, Instituto Nacional de Técnica Aeroespacial (INTA), Princesa 38, 28008 Madrid, Spain
Miguel Angel Ropero
Escuela Politécnica Superior del Ejército de Tierra (ESPOL), Ministerio de Defensa, Joaquín Costa 6, 28002 Madrid, Spain
Dpt. Geological and Mining Engineering, School of Mines and Energy, Universidad Politécnica de Madrid, Rios Rosas 21, 28003 Madrid, Spain
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Short summary
This study analyses multidecadal coastal bluff erosion at Deception Island, Antarctica, using historical aerial and satellite imagery (1956–2023). A non-linear shoreline change approach reveals heterogeneous and accelerating recession patterns. Logistic sigmoidal models outperform traditional linear methods, offering improved insights into periglacial coastal dynamics under climate change.
This study analyses multidecadal coastal bluff erosion at Deception Island, Antarctica, using...
