Icebergs were the original Florida snowbirds

A new study shows that between 20,000 and 10,000 years ago, icebergs drifted southward off the coasts of South Carolina and Florida.

Using multibeam bathymetry data, Jenna Hill at Coastal Carolina University in Conway, S.C., and Alan Condron of the University of Massachusetts mapped a number of long scars on the seafloor that they attribute to scour marks left by icebergs journeying south.

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Mary Caperton Morton

Mary Caperton Morton

Morton (https://theblondecoyote.com/) is a freelance science and travel writer based in Big Sky, Mont., and an EARTH roving correspondent.  

Friday, January 23, 2015 - 06:00