南极洲半岛靠往南美洲的南极洲的地块，是近年地球快速升温的地方之一，并出现大冰原(ice sheets)的冰层崩裂。不过一直由厚冰层复盖的南极洲的整体气温看似没有变化。
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例如，随着覆盖北美的大冰原在最后一个冰河时代逐渐融化，大量的水从冰原流出。
For example, as the great ice sheets that covered North America during the last ice age steadily melted away, huge volumes of water flowed from them.
地球两极的大冰原一旦开始融化就会快速地分解，而海平面每世纪升高几米也不是危言耸听。
The ice sheets at the poles can disintegrate rapidly once they start melting, and sea-level rises of a few meters per century are not unheard of.
格陵兰大冰原上有一个融水湖泊，容量达440亿升，覆盖面积达5.7平方公里，在2006年，仅仅用了24小时就流光了。
A meltwater lake on the Greenland ice sheet that contained 44 billion litres and covered 5.7 sq km gurgled away within 24 hours in 2006.
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