Scientists agree that the key player in this scenario is the West Antarctic ice sheet, a Brazil-size mass of frozen water that is as much as 7000 feet thick.
科学家们一致认为，这一情境中的关键推手是南极西部的冰层，这是一块跟巴西（面积）差不多大小的冰原，厚达7000英尺。
Now, new evidence reveals that all or most of the Antarctic ice sheet collapsed at least once during the past 1.3 million years.
现在，新的证据显示，在过去130万年中，全部的南极冰盖或其中大部分至少都崩塌过一次。
A fresh coat of summer snow would have protected the ice sheet, but little snow fell.
一层新的夏季雪本可以保护冰原，但几乎没怎么下雪。
The ice sheet margin appears to be grey, which may be a sign it is saturated with water...
冰盖边缘是灰色的，这可能是冰川融化的一个信号......
According to Straneo, the rapid changes to the ice sheet have taken glaciologists by surprise.
据斯特拉内奥说，冰盖的迅速变化令冰川学家措手不及。
The giant Greenland ice sheet may be more resistant to temperature rise than experts realised.
也许广袤的格林兰冰原对温度升高的抵御能力比专家们估计的要强得多。
Our theory links an external climate-driven process, the melting of the ice sheet, and earthquakes.
我们的理论将外部气候驱动过程，冰盖融化与地震联系起来。
But it did not destabilise the ice sheet or provide a new reason to worry about rising sea levels.
但这并没有导致大冰盖发生不稳定现象，也无法为海平面上升的担忧提供新的依据。
By 2100 they may surge by five times that, or even more if Greenland's ice sheet starts to collapse.
到2100年，如果格陵兰冰原开始融化，海平面会急剧上升，达到上世纪上升幅度的五倍甚至更多。
There is 10 feet of sea level rise stored up in the unstable part of the West Antarctic ice sheet.
西南极冰架的不稳定部分一旦融化，会让海平面上升10英尺。
Konrad Steffen of the University of Colorado, Boulder, leads one study of the Greenland ice sheet.
位于博尔德的科罗拉多州大学的KonradSteffen先生负责一项格陵兰冰原项目研究。
The melting of Greenland's ice sheet is accelerating, threatening an increasing rise in sea levels.
格陵兰岛冰层的融化速度正在加快，可能导致海平面加速上升。
Melt along the southern edge of Greenland's ice sheet is now moving up its northwest coast, a new study shows.
一项新的研究表明，格陵兰冰盖南部沿线的冰融如今正蔓延到它的西北海岸线。
A 2009 study found that the Greenland ice sheet shed roughly 385 cubic miles of ice over the previous seven years.
2009年的一项研究发现，此前七年间格陵兰冰盖差不多融掉了385立方英里。
Westerners may shrug at the decline of traditional hunting but, in a sense, we all live on the Greenland ice sheet now.
西方人也许对传统捕猎的减少不以为然，但是，从某种意义上来说，我们现在也依靠格陵兰冰盖而活。
The strait’s status in turn affected ocean currents, which affected the rate of ice sheet melting during the last glacial period.
在上次冰河时代，白令海峡这种周期性的开闭，影响了洋流，进而影响冰盖融化的速度。
Now imagine that the ice sheet is vertical rather than horizontal. This should give you some sense of the challenge of ice-climbing.
现在想象一下把水平的冰面立起来，这就会让你有攀冰的感觉。
The three glaciers that Hamilton and Stearns measured account for about a fifth of the discharge from the entire Greenland ice sheet.
汉密尔顿和斯蒂尔恩斯测量的三大冰川约占整个格陵兰冰盖流量的五分之一。
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。
The ice, much of it tens of thousands of years old, originates in the 660, 000-square-mile ice sheet covering 80 percent of Greenland.
我们所见的冰，大部分有着上万年的历史，都发源于覆盖格陵兰岛80%面积的66万平方英里冰原。
A meltwater lake on the Greenland ice sheet that contained 44 billion litres and covered 5.7 sq km gurgled away within 24 hours in 2006.
格陵兰大冰原上有一个融水湖泊，容量达440亿升，覆盖面积达5.7平方公里，在2006年，仅仅用了24小时就流光了。
The instrument's nervous system comprises 86 strands of light detectors, stretching down into the ice sheet like oversize strings of pearls.
站中那个由86根光探测器组成的神经系统像一串巨大的珍珠项链深入冰层。
Such an outcome would have severe consequences, such as the collapse of the Greenland ice sheet and disruption of the Gulf Stream ocean current.
这样的结果会造成严重后果，例如格陵兰冰层崩塌以及墨西哥湾流受阻。
The unusual bacterium was found deep within a Greenland ice sheet and scientists believe it holds clues to how life might survive on other planets.
这不同寻常的细菌是在格陵兰冰原深处找到的，科学家们相信其中蕴含着生命如何在其它星球上生存的线索。
Uncertainties in the model gave the scientists only a broad estimate of ice loss in the East Antarctic ice sheet of between 5bn and 109bn tonnes a year.
该模型的不确定性导致其结果只能给科学家一个大致的估计：南极东部冰盖的消融速度介于每年50亿吨和1090亿吨之间。
The southern tributary actually drains a larger portion of Greenland's central ice sheet, so a retreat there could lead to a more substantial ice discharge.
实际上南部支流外流了更多格陵兰岛中心冰原的水源，所以那边的冰川消退会导致更大规模的冰流量。
If the Greenland ice sheet disappeared sea levels around the world would rise by seven metres, as 10% of the world's fresh water is currently frozen here.
如果格陵兰冰盖消失，世界各地的海平面将升高七米——因为现在世界10%的淡水都被冻结在这里。
If the Greenland ice sheet disappeared sea levels around the world would rise by seven metres, as 10% of the world's fresh water is currently frozen here.
如果格陵兰冰盖消失，世界各地的海平面将升高七米——因为现在世界10%的淡水都被冻结在这里。
应用推荐