在冰川的底部形成了一层液体。
冰川的变形量涉及哪些因素？
What factors are involved in the amount of deformation a glacier undergoes?
冰川的上层会形成裂缝。
他想保护冰川的水不受污染。
即使在没有冰川的时期，天文周期也会对地球的气候产生影响。
Astronomical cycles have an effect on Earth's climate even during periods when there is no glaciation.
他们可以追踪大陆冰川的生长和收缩，即使是在温度变化不大的海洋区域——比如，赤道附近。
They could trace the growth and shrinkage of continental glaciers, even in parts of the ocean where there may have been no great change in temperature—around the equator, for example.
冰川的向前移动，其底部与海洋接触处的融化，还有波浪和潮汐运动，导致冰块断裂，漂浮到海上。
The forward movement, the melting at the base of the glacier where it meets the ocean, and waves and tidal action cause blocks of ice to break off and float out to sea.
间冰期通常是在冰期之间的一段时间，这时气候变暖，冰川的冰会暂时消退，直到气候再次变冷，下一个冰期开始。
Interglacial periods are, typically periods of time between Ice Ages, when the climate warms, and the glacial ice retreats for a time, before things cool off again and another Ice Age begins.
上次我们开始讨论了冰川以及这些大型冰块是如何从结晶雪中形成的，你们中的一些人对这些冰川的巨大感到惊讶。
Last time, we started to talk about glaciers and how these masses of ice form from crystallized snow, and some of you were amazed at how huge some of these glaciers are.
现在，这样的速度是很不寻常的，比冰川的正常移动速度快几百倍，但是你可以看到冰川在这些涌动中移动，虽然很少见。
Now, speeds like that are pretty unusual, hundreds of times faster than the regular movement of glaciers, but you can actually see glacier move during these surges, though it is rare.
来自格陵兰岛黑尔海姆冰川的冰山。
来自喜马拉雅山冰川的水源正在减少。
收集彼得曼冰川的数据资料。
冰川的消融威胁着下游的农业。
The retreat of the glaciers threatens agriculture downstream.
狗雪橇营安置在阿拉斯加的朱诺冰川的顶上。
如何减缓或者阻止这些冰川的流动是一个大问题。
Work out how to slow or stop those glaciers and you may have dealt with a big problem.
拉巴斯的水文学家计划测量山脉冰川的损失量。
Hydrologists from la Paz are planning to measure the glacial loss of the mountain.
很多池水填充进阿拉斯加的哥伦比亚冰川的裂缝中。
在过去30年中，北极冰川的体积已经缩小了15％到20％。
The extent of the ice has already shrunk by 15-20 percent in the past 30 years.
由于冰架的分离，海湾周围大多数冰川的流动明显变快了。
The loss of the shelf caused the flow of most of the glaciers around the bay to accelerate significantly.
明永冰川的消融，会不会是卡瓦·博格不悦的另一个征兆？
Could Mingyong's retreat be another sign of Kawagebo's displeasure?
在美国，阿拉斯加最高的冰川仍低于喜马拉雅冰川的最低线。
In the United States the highest glaciers in Alaska are still below the lowest level of Himalayan glaciers.
由于冰川消融，紧靠冰川的石崖变得不稳定，因此引发雪崩。
Rock walls resting against glaciers will become unstable as the ice disappears and so set off avalanches.
滚烫的熔岩冲上顶端，但是冰川的侵蚀又让它们退到一边去。
Hot rocks are shoved to the top, and erosion brings them back down the sides.
有证据显示说，冰川的进与退都是周期性的，受地球轨道的变化所诱导。
There is some evidence that the ice came and went in regular cycles, driven by changes in Earth's orbit.
炭黑还喜马拉雅冰川的融化，使得亿万人的饮水问题受到威胁。
Black carbon is also causing Himalayan glaciers to melt, threatening water supplies for hundreds of millions of people.
几个世纪以来，这里的人们依靠来自高山上冰川的融水灌溉农田。
For centuries, the population has depended on meltwater from the glaciers of the high mountains to irrigate their farmland.
几个世纪以来，这里的人们依靠来自高山上冰川的融水灌溉农田。
For centuries, the population has depended on meltwater from the glaciers of the high mountains to irrigate their farmland.
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