He hopes to drill cores that date back thousands of years at the Chukchi Sea margin, providing a detailed history of interaction between oceanic currents and ice.

他希望，在楚科奇海域能钻探出几千年前的岩心，为了解海洋水流和冰之间相互作用提供详实的历史资料。

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We went ice-skatingu on our first date.

我们第一次约会是去滑冰。

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Enthusiasts hint that flood stories date back much further, to the end of the last Ice Age.

狂热分子甚至认为洪水的故事可以追溯到更早的年代，直到最后一个冰河时代的末期。

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What they found was that the annual ice loss by this date would be running at about 145 billion tonnes, with the north of the archipelago, on and around the likes of Ellesmere Island, experiencing the greatest retreat.

BBC: Canadian glaciers face 'big losses'

The area is now more likely to become open water each summer, bringing forward the potential date when the summer sea ice will be completely gone.

CNN: Arctic ice to vanish in summer, report says

With 102 holes drilled so far, hundreds of measurements have been made of ice thickness and snow cover over the 243km covered to date.

BBC: Arctic team: 'London, we have a problem'