Virtual Posters
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Virtual Posters
GLACIAL AND PERIGLACIAL GEOMORPHOLOGY OF LOW HEAD PROMONTORY, KING GEORGE ISLAND, ANTARCTICA.
Terrestrial
Brazilian Antartic Simposium 2011
2011
The King George Island is located in the South Shetlands archipelago, northern portion of the Antarctic Peninsula. Between the Oligocene and Miocene, large ice sheets developed in the islands and continent, although the most powerful glaciation developed on the end of Miocene (Birkenmajer, 2001; Martini et al, 2001). The oceanic influence in the Shetlands is responsible for the higher humidity found in these islands compared to mainland during the summer. This condition creates a own landscape with climatic characteristics similar to those found in the tundra of the northern hemisphere. The positive temperatures in summer are responsible for the melting and retreat of glaciers and permafrost. This work presents a brief description of the geomorphological features observed in the Low Head region during the Brazilian polar expedition in the summer of 2011.
King George Island, Antarctica, glaciation, geomorphology, climate
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