Until February, it had been the tongue of the Mertz Glacier, sticking out from the East Antarctic ice sheet into the Southern Ocean.

到二月，它已然成为了默茨冰川的突出部分，从东南极冰盖延伸入南大洋。

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As a primary outlet for the West Antarctic Ice Sheet, the Pine Island Glacier is one of the largest sources of uncertainty in global sea level rise projections.

作为南极西部冰盖的基本出口，松岛冰川全球海平面上升预测中最大的不确定性之一。

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Pine Island glacier(PIG) is one of many at the fringes of the West Antarctic ice sheet.

派恩岛冰川（PIG）位西部南极冰原边缘力的冰山之一。

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We fly over and land on Helheim Glacier, a major outlet for the ice sheet which has sped up dramatically in the last decade.

CNN: Greenland's frozen landscape warming up