Glacial paradox

New research led by Prof. Andrew Shepherd from the University of Leeds, UK, suggests warmer summers may paradoxically slow down the speed of glaciers flowing towards the sea. The internal drainage system of the ice sheet adapts to accommodate more meltwater, without speeding up the flow of the glacier. As part of the research, Prof. Shepherd and team drew a 2D ice-velocity map of the study area which includes six glaciers in southwest Greenland. The data used is from the radar on ERS-1 from 1992 to 1998. With 1998 being one of the warmest on record, this period included particularly warm summers in Greenland.

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Sachiye Day, VERTICES intern


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