今天的北极冰层比近代地质史上任何时期都少。
Less ice covers the Arctic today than at any time in recent geologic history.
因此，亚洲，欧洲和北美的煤烟排放量会促使北极冰层变薄。
Thus, sooty emissions from Asia, Europe and North America are helping to thin the Arctic ice.
它能够测量南北极冰层的厚度，并精确到厘米——一个至今为止首次达到的精确度。
The satellite will be able to measure the thickness of Arctic and Antarctic ice to within a centimetre - an accuracy unmatched until now.
报告显示，今年夏天所测量的北极冰层水平的数据仅仅略高于四百三十三万平方公里。
It said ice levels this past summer measured a little more than four and one third million square kilometers.
融化的北极冰层使得进入该地区越来越容易，这也使得此北极圈五国之间的矛盾日益升级。
The rivalry between the five Arctic neighbors has heated up as melting polar ice makes the region more accessible.
科学家们说，去年冬天北极冰层的最大面积比过去几年要大一些，但是长期趋势还是显示它在衰减。
Arctic ice reached a larger maximum area this winter than in the last few years, scientists say, but the long-term trend still shows it declining.
科学家们说正是因为额外的暴饮暴食导致了全球气候的变暖，现在南北极冰层正在消融，水平面正在升高，热带雨林正在消失。
The scientists say providing extra grub for them to guzzle adds to carbon emissions that heat up the world, melting polar ice caps, raising sea levels and killing rain forests.
9/17 这一年，大量的科学论文阐述了北极冰层和格陵兰冰雪融化的速度比以往任何时候的快，创造了北极融化英尺数新高。
9/17The year saw a flood of scientific papers showing Arctic ice and the Greenland ice sheet is melting faster than ever, leading to a race for the new riches of the Arctic.
Kwok称：“通过冰层的总量，我们可以计算出每年冰的产生量，并列出一份北极冰盖中所含有的淡水和冰总量的清单。”
Kwok said: "ice volume allows us to calculate annual ice production and gives us an inventory of the fresh water and total ice mass stored in Arctic sea ice."
北极冰帽会消融，令北极熊无家可归，更令地球能量平衡急剧改变。因为在夏季时，可反射光和热的冰层被颜色更深的海面所代替。
Arctic sea icecap disappears, leaving polar bears homeless and changing the Earth's energy balance dramatically as reflective ice is replaced during summer months by darker sea surface.
在过去的几十年间，北极圈的低温把具有挥发性的Pops冻结封存在冰层和北极冰冷的海水中。
Over past decades, the low temperatures in the Arctic trapped volatile Pops in ice and cold water.
在过去的几十年间，北极圈的低温把具有挥发性的Pops冻结封存在冰层和北极冰冷的海水中。
Over past decades, the low temperatures in the Arctic trapped volatile Pops in ice and cold water.
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