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The Drygalski Glacier – time-lapse video

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The animation shows a time-lapse recording of the Drygalski Glacier on the Antarctic Peninsula. The glacier is pushed out into the area formerly occupied by the Larsen A Ice Sheet at a speed of up to two kilometres per year. Thirty images recorded by the German TerraSAR-X radar satellite between October 2007 and October 2008 were combined to create this video sequence. The fluctuations in brightness are caused by seasonal, temperature-related changes in the snow and ice surfaces.

Animation: DLR.