Arctic sea icecap disappears, leaving polar bears homeless and changing the Earth's energy balance dramatically as reflective ice is replaced during summer months by darker sea surface.

北极冰帽会消融，令北极熊无家可归，更令地球能量平衡急剧改变。因为在夏季时，可反射光和热的冰层被颜色更深的海面所代替。

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Large flat sheets of the icecap called ice shelves float in water near Antarctica.

大而扁平状的冰冠称作冰架，它们漂浮在南极洲周边的水域中。

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Some 95 percent of Antarctica is covered by an icecap averaging 1.6 km (1 mi) in thickness.

约百分之九十五的地方被平均厚度为1.6公里（1英里）的冰层覆盖。

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Measuring the thickness of the ice will help scientists discover how quickly the icecap is melting.

BBC: Polar explorers

Mr. THOMAS DEUTSCH (Deputy Executive Director, American Securitization Forum): The securitization markets are as frozen as a polar icecap.

NPR: Treasury Secretary Redefines Bailout

The ship is here on a scientific research mission, and to document the effects of climate warming on the world's largest island and second largest icecap.

CNN: Polar blog: 'There's something afoot in the Arctic'