Lake Agassiz - Prehistoric Glacial Lake Offers Insight On Climate Change
Saturday, October 8, 2011 - 13:40
in Earth & Climate
8,000 years ago, which is basically yesterday in geological time, a now-vanished glacial lake covered a huge expanse of today's Canadian prairie and the rich farmland in the Red River Valley. As big as Hudson Bay, the lake was fed by melting glaciers as they receded at the end of the last ice age. At its largest, Glacial Lake Agassiz, as it is known, covered most of the Canadian province of Manitoba, plus a good part of western Ontario and the Minnesota-North Dakota border. read more