RSS Feed
BBC: One of the biggest canyons in the world has been found beneath the ice sheet that smothers most of Greenland.
The canyon - which is 800km long and up to 800m deep - was carved out by a great river more than four million years ago, before the ice arrived.
It was discovered by accident as scientists researching climate change mapped Greenland's bedrock by radar.
The British Antarctic Survey said it was remarkable to find so huge a geographical feature previously unseen.
The hidden valley......
Read Complete Article at Water Conserve: Water Conservation RSS News Feed
Huge canyon under Greenland ice
Posted by Washington Post: Juliet Eilperin on August 29th, 2013
Posted in Water Conservation