Data from GRIP seem to indicate that the Eemian climate swung at least as wildly as the climate of ice age periods.
GRIP的数据似乎表明，Eemian的气候变化至少和冰河时代的气候一样剧烈。
Still others argue that volcanic dust injected into the atmosphere shields Earth from the Sun's rays and initiates an ice age.
还有人认为，注入大气的火山灰保护地球免受太阳辐射，并开启了一段冰河时代。
Part of the warming is natural; we have experienced a 20,000-year-long warming as the last ice age ended and the ice melted away.
有一些变暖是自然发生的。随着上一个冰河时代的结束和冰的融化，我们已经经历了长达20，000年的变暖过程。
Soft parts, including skin, hair, and viscera of ice age mammoths, have been preserved in frozen soil or in the oozing tar of oil seeps.
冰河时代猛犸象的柔软部位，包括皮肤、毛发和内脏，被保存在冻土或石油渗出的焦油中。
Findings from the upper sections of the cores have confirmed what scientists already knew—climate during the last ice age fluctuated rapidly.
来自岩心上部的发现证实了科学家们已经知道的情况：最后一个冰河时代的气候变化非常快。
They readily admit, however, that little is understood yet as to the reasons why ice age artists created their interesting and detailed paintings.
然而，他们欣然承认，对于冰河时代艺术家创作他们这些有趣而精细的画作的原因，人们知之甚少。
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.
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。
Radiocarbon dating of fossils taken from caves on islands along southeastern Alaska's coast suggest that at least a portion of the area was remaining ice-free during the last ice age.
从阿拉斯加东南海岸岛屿的洞穴中提取的化石的放射性碳年代测定法表明，在最后一个冰河时代，该地区至少有一部分保持无冰状态。
The dated isotope record shows that the fluctuations in global ice volume over the past several hundred thousand years have a pattern: an ice age occurs roughly once every 100,000 years.
同位素年代记录显示，过去几十万年全球冰量的波动有一个模式：冰河期大约每10万年发生一次。
The fact that lake levels in the semiarid southwestern United States appear to have been higher during the last ice age than they are now was at one time attributed to increased precipitation.
美国西南部半干旱地区的湖泊水位在上一个冰河时代似乎比现在更高，这一事实曾一度归因于降水增加。
This factor must precede an ice age and have the effect of slightly lowering Earth's temperature.
这一因素一定出现在冰川期之前，并有稍微降低地球温度的效果。
That's the image that comes to mind when most of us think about an ice age.
当说起冰河时代时，我们大多数人脑中都会浮现出这个场景。
As a result CO2 levels fell and the greenhouse effect weakened, triggering an ice age.
其后果就是CO 2含量下降，温室效应减弱并引发了冰河时代的到来。
Every 100,000 years or so, the Earth swings into an ice age - but it wasn't always this way.
每10万年或更久，地球将进入一个冰河期-但并不总是这样。
At the end of the last ice age, atmospheric carbon dioxide levels shot up by nearly 50 per cent.
在上个冰期末，二氧化碳含量增长了近50%。
The traits are thought to have evolved among northern European tribes at the end of the last ice age.
这些性状的演化发生于冰河时代末期的北欧部落。
If true, this would mean that the Karoo ice age operated in much the same way as the current one.
如果那是事实，这就意味着Karoo冰河时期与现在冰川的运作方式基本相同。
However, recent studies have brought down the relative importance of this solar effect on the little ice age.
不过，最近的研究结果下调了太阳辐射因素对小冰河期的相对重要性。
Historical evidence shows that sea levels have risen this fast before - notably during the dying days of the last ice age.
历史证据显示，海平面曾经这么快地上升过——尤其是在最后的冰河时代的最后日子里。
The extinction of the woolly mammoth and other large ice age animals can't be blamed on a 'human blitzkrieg', say researchers.
研究者表明：“长毛象以及其他一些大型的冰期动物的灭绝不应归咎于‘人类的袭击’。”
Since the era of industrialization, Fenner said, humans have had an effect on the planet rivaling any ice age or comet impact.
Fenner说，自从工业化时代以来，人类活动对地球产生作用，其影响堪比冰河时代或彗星的破坏作用。
The Ordovician ice age happened 444 million years ago, and records have suggested that CO2 levels were relatively high then.
奥陶纪冰河时期发生在4.44亿年前，有记录表明其CO2含量较高。
Since the end of the last ice age, we humans have spent 400 generations taking advantage of this stability to build our civilisation.
自从上次冰河时代末期以来，我们人类已有四百代人利用这种稳定性的优势建设我们的文明。
It boasts a fearsome array of volcanoes, 33 of which have erupted once or more since the end of the last ice age, around 12, 000 years ago.
那里的火山多得吓人，而且自从上一次冰河时代(约12000年前)以后，其中有33座都爆发过至少一次。
It boasts a fearsome array of volcanoes, 33 of which have erupted once or more since the end of the last ice age, around 12, 000 years ago.
那里的火山多得吓人，而且自从上一次冰河时代(约12000年前)以后，其中有33座都爆发过至少一次。
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