Icebergs Off Florida...

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Icebergs Off Florida... Empty Icebergs Off Florida...

Post by Rockhopper on Thu Oct 16, 2014 12:32 am

In the past as the Icesheets melted after the Iceage.

Berg scours on the continental shelf.

Icebergs Off Florida... 2b_seafloor_iceberg_scour

As the massive North American ice sheet began to melt 20,000 years ago, fresh water pooled into lakes dammed by glaciers and debris. When those lakes burst, floods carried icebergs into the northern Atlantic Ocean. Modelling studies have suggested that these hulking masses drifted east, past Greenland and towards Europe. But a study published on 12 October in Nature Geoscience1 reports evidence that the icebergs took a southerly route — a finding that offers a glimpse of how the changing climate can affect ocean circulation.

Alan Condron, a climate modeller at the University of Massachusetts in Amherst, and Jenna Hill, a marine geologist at Coastal Carolina University in Conway, South Carolina, used a computer climate model to map the icebergs' path with higher spatial resolution than previous simulations.

Icebergs Off Florida... 1_iceberg_path

From Here.


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