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Local influences of geothermal anomalies on permafrost distribution in an active volcanic island (Deception Island, Antarctica)

Goyanes, G. ; Vieira, G. ; Caselli, A. ; Cardoso, M. ; Marmy, Antoine ; Santos, F. ; Bernardo, I. ; Hauck, Christian

In: Geomorphology, 2014, vol. 225, p. 57–68

This study aims at understanding the spatial distribution and characteristics of the frozen and unfrozen terrain in an alluvial fan on Deception Island, which is an active strato-volcano located in the Bransfield Strait (South Shetland Islands) with recent eruptions in 1967, 1969 and 1970. The alluvial fan is dominated by debris-flow, run-off and rock fall processes and permafrost occurs in...