Two lakes beneath the ice in Greenland, gone within weeks

21 enero 2015

Researchers discovered craters left behind when two sub-glacial lakes in Greenland drained away — an indication that the natural plumbing system beneath the ice sheet is overflowing with meltwater. One lake once held billions of gallons of water and emptied to form a mile-wide crater in just a few weeks. The other lake has filled and emptied twice in the last two years.