Geomorphological Observations of Permafrost and Ground-Ice Degradation on Deception and Livingston Islands, Maritime Antarctica

• Main Authors: Gonçalo Vieira, Enrique Serrano, Miguel Ramos, Stephan Gruber, Christian Hauck, Juan José Blanco
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: active layer; Antarctic; debris flow; permafrost; thermokarst; Antarctic Peninsula; Deception Island; Hurd; Hurd peninsula; Livingston Island; The Antarctic; Antarc*; Antarctica; Ice; Thermokarst
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.527.6378; http://www.geo.unizh.ch/~stgruber/pubs/vieira_2008-nicop.pdf

The Antarctic Peninsula is experiencing one of the fastest increases in mean annual air temperatures (ca. 2.5ºC in the last 50 years) on Earth. If the observed warming trend continues as indicated by climate models, the region could suffer widespread permafrost degradation. This paper presents field...