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sea ice |
Also found in: Wikipedia | 0.09 sec. |
sea iceIce formed from frozen seawater in polar regions. Most sea ice occurs as pack ice, which drifts across the ocean surface; other types of sea ice include fast ice, which is attached to coasts and sometimes the seafloor or between grounded icebergs, and marine ice, which forms at the bottom of ice shelves in Antarctica. The sea ice of the Northern Hemisphere covers about 3 million sq mi (8 million sq km) in September and about 6 million sq mi (15 million sq km) in March. Sea ice in the Southern Hemisphere ranges from about 1.5 million sq mi (4 million sq km) in February to about 8 million sq mi (20 million sq km) in September. 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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Melting sea ice will raise ocean levels, which could prove disastrous for island nations and anyone living near coastlines. They concluded that mothers left their calves on sea ice in order to get food. 12), you read that sea ice has been declining due to global warming. |
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