当我们开始使用化石燃料时，地球已经处于温暖的间冰期之一。
Earth was already in one of its warm interglacial periods when we started burning fossil fuels.
在过去的200万年里，寒冷的冰期与较暖和的间冰期交替出现。
Over the past two million years, colder glacial periods have alternated with warmer interglacial periods.
在以往的间冰期中，当冰川消退时，它们在尾迹中留下了开阔的土地。
During previous interglacial periods, when glaciers retreated, they left behind open land in their wakes.
高二氧化碳含量与温暖的间冰期有关，低二氧化碳含量与寒冷的冰期有关。
High carbon dioxide levels are associated with warm interglacial periods, and low levels with cold glacial periods.
它的峰值，就是在间冰期刚开始，大气中有最多的二氧化碳和甲烷气体，温室气体。
Its peak, that is, there is the most carbon dioxide and methane gas, greenhouse gases in the atmosphere just after the beginning of the interglacial period.
例如，在倒数第二个冰期的高峰和接下来的间冰期之间，甲烷浓度几乎增加了一倍。
The methane concentration nearly doubled, for example, between the peak of the penultimate glacial period and the following interglacial period.
最近的研究确实表明，高二氧化碳水平与温暖的间冰期有关，而低二氧化碳水平与寒冷的冰期有关。
Recent studies do in fact show that high carbon dioxide levels are associated with warm interglacial periods, and low levels with cold glacial periods.
现在，我们已经研究过几个间冰期的典型模式，其中一种是大气中二氧化碳和甲烷含量达到峰值的情况。
Now, the typical pattern for an interglacial period—and we've studied several—is that the concentration of carbon dioxide and methane gas actually reaches its peak.
很快我们了解到，在更新世存在多个冰川期，其间还包括多个温暖的间冰期。
It soon became clear that there were multiple glacial ages during the Pleistocene, with warmer interglacial intervals between them.
最后一次间冰期的抓地力所显示的剧烈气候波动在 GISP2 地核中没有出现。
The wild climate swings shown by GRIP in the last interglacial are not seen in the GISP2 core.
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.
研究人员对间冰期气候的线索来自保存在GRIP 冰芯中的两种略微不同类型的氧——即同位素氧-16和氧-18的比率。
Researchers' clues to the Eemian climate come from measurements of the ratios of two slightly different types of oxygen, isotopes oxygen-16 and oxygen-18, preserved in the GRIP core.
间冰期时，气温则有点暖和，冰层就慢慢融化。
During "interglacials", the temperature was somewhat warmer and the ice retreated.
其顶部覆盖了末次间冰期古土壤与末次冰期黄土。
The last interglacial paleosol and last glacial loess units overlie the top of this section.
我们不知道自己是生活在后冰川期还是生活于间冰期。
We do not know whether we live in a postglacial period or an interglacial period.
这项新的调查显示在过去的340,000年气温都“被钉在”间冰期内。
This new investigation shows temperature 'spikes' within some of the interglacial periods over the last 340,000 years.
这些冰期也叫冰河期，在各冰期间的相对温暖时期就叫间冰期。
These ice ages are also called glaciations and the periods of relative warmth between them are called interglacials .
还无法确证不同冰川期与间冰期之间的相对长度、复杂性及温度。
There is no conclusive evidence about the relative length, complexity, and temperatures of the various glacial and interglacial periods.
科普的研究小组重构了约12.5万年以前，最后一次间冰期时期的海平面。
Kopp's team reconstructed the sea levels in the last interglacial period, around 125, 000 years ago.
早先的冰芯分析显示气候的有冰龄和温暖的间冰期大致为100,000年为一个周期。
Previous analysis of ice cores has shown that the climate consists of ice ages and warmer interglacial periods roughly every 100,000 years.
有证据显示，在上个间冰期（13万至17万年前），撒哈拉的南部地区降雨量增加。
There is evidence that during the last interglacial (130000-17 million years ago), in the southern region of the Sahara increased rainfall.
夏季风在冰期与间冰期尺度上受全球冰量的影响，但在更短时间尺度上有其它驱动因子。
The summer monsoon was driven by global ice volume in the glacial-interglacial scale, and also driven by other factors in more little scale.
每次冰期及间冰期沉积物中的砾石及其岩性，砾态，沉积厚度，风化程度等都有明显区别。
The gravels in deposits of different glacial epochs and interglacial stages show obviously different rock characteristics, gravel forms, deposit thicknesses and weathering degrees.
中国黄土—古土壤堆积是全球冰期—间冰期气候变化与东亚古季风气候变化共同作用的结果。
Chinese Loess Paleosol sediments were just controlled by both the factors of glacial interglacial and paleomonsoon climate.
我们现在所作所为的轨迹，导致的全球暖化，足够把我们带到最后一次间冰期的海平面上升水平。
The warming we're on track to do now is more than enough to commit us to last-interglacial levels of sea-level rise.
现今有关北半球气候变化的最完整且分辨率最高的记录，只能追溯到上个间冰期，历史不及12.5万年。
Until now, the best high-resolution records of climate variability from the Northern Hemisphere go back only to the last interglacial period, less than 125,000 years ago.
虽然二氧化碳的变化受到三种轨道周期的复杂组合所控制，但先前各个间冰期的趋势都非常相似。
Although a complex combination of all three orbital cycles controls co2variations the trends during previous interglacial intervals were all surprisingly similar to one another.
在倒数第二次冰期向末次间冰期转换时，北半球太阳辐射可能触发了全球末次间冰期全盛期的开始。
During the transition from the Penultimate Glaciation to the Last Interglaciation, the North Hemisphere insolation possible triggers the inception of full interglacial conditions worldwide.
1万2千年前，在最近一次间冰期——弗兰德间冰期开始时，巨大的冰层退去，人们得以返回北半球。
Twelve thousand years ago, the great ice sheets retreated at the beginning of the latest interglacial – the Flandrian – allowing humans to return to northern latitudes.
1万2千年前，在最近一次间冰期——弗兰德间冰期开始时，巨大的冰层退去，人们得以返回北半球。
Twelve thousand years ago, the great ice sheets retreated at the beginning of the latest interglacial – the Flandrian – allowing humans to return to northern latitudes.
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