Greenland’s Hidden Valleys: What Lies Beneath the Ice Sheet
Greenland’s bedrock, hidden beneath 1.7 million square kilometers of ice reaching over 3 kilometers thick, has been mapped in unprecedented detail by researchers using Ice Flow Perturbation Analysis. Led by NASA scientists and published in Geophysical Research Letters, the work reveals 1,943 subglacial valleys, offering new clues to the island’s geological past and the future … Read more