A surplus allows snow to accumulate and for the pressure of snow accumulated over the years to transform buried snow into glacial ice with a depth great enough for the ice to flow.

剩余的积雪能够让雪集成堆，且由于多年的积雪形成的压力，剩余的积雪能够让掩埋的雪变成冰川冰，这些冰川冰的厚度足以使冰块流动。

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The polar bear on the melting ice flow has become an iconic picture of the decade, business has painted itself green, we've changed our lightbulbs and wind power has taken off.

融化冰流上的北极熊已经成为这十年的标志图像；企业标榜自己是环保的；我们换了灯泡；风力发电开始启动。

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Glaciologists are racing to understand better how the great ice streams will flow in a warmer world, and the future rate of sea level rise is still uncertain.

地质学家正在努力研究为什么更强的冰流会在更温暖的环境中出现。海平面未来的上升速度依然是个未知数。

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Unfortunately, the idea is better than the movie: the adventures on and off the ice, and the endless flow of innuendo (lots of crotch jokes and winking allusions to homosexuality), signify humor without actually being funny.

NEWYORKER: Blades of Glory

Recent studies indicate that when the lakes drain suddenly into the ice, the acceleration of flow is not sustained.

FORBES: Global Warming: Hotheads, Flatliners and Lukewarmers, Part One

One theory is that the summer sun melts ice on the surface of the glacier which creates pools of water which then flow into moulins -- narrow tubular shafts in the glacier.

CNN: Rubber ducks aid NASA study