A map of the ice islands from the 2008 Petermann Glacier calving event. On July 13, 2008, a 36.7 km2 of ice calved from the Petermann Glaicer, northwest Greenland. By July, 2009 all the ice islands produced had broken into fragments too small to detect. 332 polygons were digitized from 177 images to document this event. Note that satellite imagery was less frequent in September and October 2008.
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