September 21, 2018
Salem-News.com Global Warming articles
Salem-News.com (Jun-30-2014 06:49)
Greenland Ice Sheet Collapse Began 400,000 Years AgoSalem-News.com Staff
A period known as the Marine Isotope Stage 11 resulted in a global sea level rise of about 6-13 meters above present time.
(CORVALLIS, Ore. ) -
A new study suggests that a warming period more than 400,000 years ago pushed the Greenland ice sheet past its stability threshold, resulting in a nearly complete deglaciation of southern Greenland and raising global sea levels some 4-6 meters.