Measurements taken over the south pole reflect changes in the mass of the Antarctic ice sheets.
南极地区的数据反映了南极冰盖质量的变化。
Recent estimates suggest the Greenland and Antarctic ice sheets add another 1.3 millimeters per year to sea level.
最近的估算显示格陵兰及南极冰盖的消融每年则使海平面上升约1.3毫米。
Arctic sea ice, for example, is shrinking by around 4% a decade, and the Greenland and Antarctic ice sheets are losing mass.
例如北冰洋的冰块十年来已减少了4%,格陵兰岛和南极洲的冰盖也在大量减少。
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