USGS海洋学家和这份研究报告共同作者多兰（Kara Doran）解释：「因为格陵兰冰原（Greenland Ice Sheet）融化后的淡水流入海洋，干扰循环导致洋流速 度减缓。
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现在，随着格陵兰冰原的消失，海平面上升几米已是不可避免。
Several metres of sea level rise is now inevitable as the Greenland ice sheet disappears.
他说，以往的气候进一步证实，格陵兰冰原应该能够承受上升幅度超过3度的气温变化。
He said evidence from past climates confirmed that Greenland should be able to survive temperature rises higher than 3c.
最新的研究发现，只有全球平均气温上升6度，才会促使格陵兰冰原发生不可逆转的融化。
It would take an average global temperature rise of 6c to push Greenland into irreversible melting, the new study found.
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