Posts Tagged 'British Antarctic Survey'

Huge Canyon Discovered Under Greenland’s Ice

greenland_moulin-sAccording to BBC –

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 is longer than the Grand Canyon in Arizona. It snakes its way from the centre of Greenland up to the northern coastline and before the ice sheet was formed it would have contained a river gushing into the Arctic Ocean. Now it is packed with ice.

Continue reading HERE

 


Archives

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 710 other followers

%d bloggers like this: