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ice sheet |
Also found in: Wikipedia, Hutchinson | 0.02 sec. |
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ice sheet [′īs ‚shēt] (hydrology) A thick glacier, more than 19,300 square miles (50,000 square kilometers) in area, forming a cover of ice and snow that is continuous over a land surface and moving outward in all directions. Also known as ice mantle. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| According to glaciologists, ice from this level represents lake water that froze to the bottom of the glacial sheet. In theory, the giant glacial sheets on North America and Europe during the ice age destabilized the climate; once the ice melted, the climate calmed down. If so, it may have connected the great glacial sheets covering North America and northern Europe. |
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