Quote:
Originally Posted by deneb78
I wonder if this new land bridge would cause the reemergence of huge ice sheets over North America...
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Well I don't think that North America would get huge ice sheets, but an ice sheet would probably replace most of the present day boreal forest. The continent would become a lot colder, especially in winter. Kansas would probably have North Dakota-style winters, and Dallas would get Kansas winters. I see lots of ocean-effect snow on the Gulf Coast as well.
There was a scenario on here that had a 33,000 foot plateau instead of the Arctic Ocean... I think the Laurentide Ice Sheet would become gigantic. Very cold winters would extend as far south as the Mexican border, and South Florida would be more like NYC in terms of climate. But that was a different scenario.