This floating ice shelf was about 260 feet (80 meters) thick from its exposed surface to its submerged base.

漂浮的冰壳露在水面以上的部分大约有260英尺(80米)厚。

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The continental sheet sent out a vast – and final – armada of floating ice, which covered much of the northern seas.

最后，一个巨大浮冰脱离了大陆，它覆盖了大部分的北部海域。

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The floating ice island could become frozen in place over winter or escape into the waters between Greenland and Canada.

到了冬天，这座浮冰岛屿可能会在某地冻结“抛锚”，也可能“擅闯”格陵兰和加拿大之间的海域。

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The Norwegians send teams out on to the floating ice to drill holes into it and extract cores to determine the ice's origin.

BBC: Arctic ice melting at 'amazing' speed, scientists find

For example, it has been shown how polar glaciers speed up when the floating ice shelves that block their way to the ocean are removed.

BBC: Under-ice flood speeds up glacier

Ice shelves are floating ice sheets attached to the coast.

CNN: Massive ice shelf on verge of breakup