当大陆上的冰开始融化时，两块冰原之间形成了一条无冰走廊，这一证据主要来自放射性碳测年法。
Evidence that an ice-free corridor between two ice sheets developed when the continental ice first began to melt came primarily from radiocarbon dating.
如果高纬度地区的冰原和冻结的水得到补充，更多的光将被反射回太空，从而减缓海洋和大气的变暖。
If you replenish the ice sheets and frozen waters of the high latitudes, more light will be reflected back into space, so reducing the warming of the oceans and atmosphere.
随着时间的推移，压力的增加，再加上从上方重新冻结的融水，小冰原颗粒成为相互锁结的大晶体蓝色冰川冰。
With additional time, pressure, and refrozen meltwater from above, the small firn granules become larger, interlocked crystals of blue glacial ice.
这些声音包括冰原破碎、水下地震和动物自己发出的声音。
These sounds include the breaking of ice fields, underwater earthquakes, and sounds made by animals themselves.
例如，随着覆盖北美的大冰原在最后一个冰河时代逐渐融化，大量的水从冰原流出。
For example, as the great ice sheets that covered North America during the last ice age steadily melted away, huge volumes of water flowed from them.
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。
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.
一层新的夏季雪本可以保护冰原，但几乎没怎么下雪。
A fresh coat of summer snow would have protected the ice sheet, but little snow fell.
科学家们认为火星冰河是区域性冰原撤退后留下的残余。
Scientists think the Mars glaciers may have been left as remnants when regional ice sheets retreated.
这幅图展示了冰川融水是如何渗透冰川以及冰原的。
The image here illustrates how these pockets and streams of warm meltwater permeate glaciers and ice sheets.
气候变化引发的最严重地质灾害，可能会是冰原融化。
Perhaps the greatest geological hazards during climate change will be the result of melting ice sheets.
穿着动物皮的原始人在广袤的冰原上辛苦地搜寻食物。
Primitive humans, clad in animal skins, trekking across vast expanses of ice in a desperate search to find food.
从三月份到现在我们一直在冰原上，而北极的夏天正日益临近。
We have been out on the ice since March and the Arctic summer is nearly here.
我们需要做更多的工作，以建立更好的模型模拟现实世界冰原的活动。
We need to do a lot more work to build better models of how ice sheets behave in the real world.
一位气候学家说，大家一直以来都把格林兰冰原看得过于脆弱。
The vulnerability of Greenland's ice has been overestimated.
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。
The giant Greenland ice sheet may be more resistant to temperature rise than experts realised.
他们发现乞力马扎罗山的冰原总面积在1912年到2007间减少了近85%。
They found that the total area of Kilimanjaro's ice fields had shrunk by nearly 85% between 1912 and 2007.
再说，尽管在西南极冰原低于海平面的区域，其中也有相对安全的突起地形。
What's more, even within the areas of the WAIS that lie below sea level, there are localized spots that poke above it, and these too would be relatively safe.
甚至在约4200年前，一场长达300年的干旱都几乎没有影响到该山峰的冰原。
Even a 300-year-long drought around 4, 200 years ago made little impact on the mountain's ice fields.
SCAR研究提出，到2100年如果南极冰原开始融化，海平面可能上升1.4米。
The study by SCAR suggested that sea levels could rise by up to 1.4m by 2100 if the Antarctic ice began to melt.
科学家称，乞力马扎罗山峰峰顶的北部及南部冰原各自变薄了6.2英尺和16.7英尺。
The northern and southern ice fields on the summit of Kilimanjaro had thinned by 6.2 feet and 16.7 feet respectively, said the scientists.
地球两极的大冰原一旦开始融化就会快速地分解，而海平面每世纪升高几米也不是危言耸听。
The ice sheets at the poles can disintegrate rapidly once they start melting, and sea-level rises of a few meters per century are not unheard of.
在过去的20年间冰原已经迅消融，每年有百万加仑的水量和大面积的冰注入到威廉王子湾。
This ice field has been melting rapidly over the past 20 years, sending millions of gallons of water and miles of ice into Prince William Sound every year.
在过去几十年里，这些雪阻止了表层的水温升高得更多，增加了冰原的容积，并反射了太阳光。
And for the last few decades, that snow kept surface waters from warming even more, added bulk to sea ice, and reflected sunlight.
班巴说，过去的研究使用非常简单的模型来模拟出格陵兰冰原怎样随着气温升高而融化的情况。
Bamber said previous studies used a very simple model to mimic how the Greenland ice will melt as temperatures rise.
在火星上存在冰这并不足以令人惊讶，令人惊讶的是冰的纯度之高和埋藏冰原的范围之广。
The presence of ice on Mars is not a surprise, although the purity and extent of the buried ice sheets is.
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.
地球观测项目将获得20亿美元的资金，以用于预测气候变化和监测地球的碳循环和冰原。
The Earth-observation programme will receive around $2 billion to improve the forecasting of climate change and monitor the Earth’s carbon cycle and its ice sheets.
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.
如果格陵兰冰原完全融化，世界各地海洋水平面将会上升7米（23英尺）左右，淹没沿海城市。
Were it to melt entirely, Greenland's icesheet would drive up ocean levels by some seven metres (23 feet), drowning coastal cities around the world.
冰岛米达尔斯冰原：火山科学家收集埃亚·菲亚·德拉冰盖喷发的火山灰样品以便分析。
Myrdalssandur, Iceland: Volcano scientists collect samples of ash from the Eyjafjallajokull eruption for analysis.
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