Big canyon entombed beneath Greenland's ice
Newly discovered chasm helps explain island's lack of subglacial lakes
By Erin Wayman, 11:31 AM August 29, 2013
Greenland has its very own Grand Canyon, but tourists won’t see it anytime soon. The recently discovered 750-kilometer-long chasm is buried beneath the island’s thick ice.
Glaciologist Jonathan Bamber of the University of Bristol in England and colleagues uncovered the canyon while mapping Greenland’s subglacial terrain with ice-penetrating radar. The gorge — up to 800 meters deep, or about half as deep as the Grand Canyon — stretches from central Greenland to the island’s northeast coast. A r...
Source URL: https://www.sciencenews.org/article/big-canyon-entombed-beneath-greenlands-ice?mode=topic&context=60