“ice age”的概念、定义、翻译、参考文献-科学参考

ice age

Biology

A period in the earth’s history during which ice advanced towards the equator and a general lowering of temperatures occurred. The last major ice age, that of the Pleistocene epoch (sometimes known as the Ice Age), ended about 11 500 years ago. At least four major ice advances (glacials) occurred during the Pleistocene; these were separated by interglacials during which the ice retreated and temperatures rose. Since the end of the Pleistocene the earth has been in an interglacial phase, the Holocene epoch. It has been established that ice ages also occurred during the Precambrian over 600 million years ago (see cryogenian) and during the Permo-Carboniferous (about 250 million years ago).
http://www.pbs.org/wgbh/nova/ice/ Sponsored by the US Public Broadcasting Service, this site explains why the earth warms up and cools down

Geography

A time when there are ice sheets on the continents, within which there may be interglacial periods of milder climate. Ice ages last for some tens of millions of years, separated by intervals of c.150 million years. See Raymo and Huybers (2008) Nature 451, 284–5, DOI:10.1038/nature06589, on glaciation and Earth’s orbit; Easterbrook (1963) GSA Bull. 75, 12 on Pleistocene glacial events and sea-level change; Gore et al. (2001) Geol. 29 on East Antarctica (ice free at the last glacial maximum); Bond et al. (1997) Science 278 on the Little Ice Age; and Barry (2006) PPG 30, 3 on glacier retreat since then. A. Goudie (2000) is strong on the stratigraphic information from ocean and ice cores, and the causes of climate change.

单词	ice age
释义	ice age Biology A period in the earth’s history during which ice advanced towards the equator and a general lowering of temperatures occurred. The last major ice age, that of the Pleistocene epoch (sometimes known as the Ice Age), ended about 11 500 years ago. At least four major ice advances (glacials) occurred during the Pleistocene; these were separated by interglacials during which the ice retreated and temperatures rose. Since the end of the Pleistocene the earth has been in an interglacial phase, the Holocene epoch. It has been established that ice ages also occurred during the Precambrian over 600 million years ago (see cryogenian) and during the Permo-Carboniferous (about 250 million years ago). http://www.pbs.org/wgbh/nova/ice/ Sponsored by the US Public Broadcasting Service, this site explains why the earth warms up and cools down Geography A time when there are ice sheets on the continents, within which there may be interglacial periods of milder climate. Ice ages last for some tens of millions of years, separated by intervals of c.150 million years. See Raymo and Huybers (2008) Nature 451, 284–5, DOI:10.1038/nature06589, on glaciation and Earth’s orbit; Easterbrook (1963) GSA Bull. 75, 12 on Pleistocene glacial events and sea-level change; Gore et al. (2001) Geol. 29 on East Antarctica (ice free at the last glacial maximum); Bond et al. (1997) Science 278 on the Little Ice Age; and Barry (2006) PPG 30, 3 on glacier retreat since then. A. Goudie (2000) is strong on the stratigraphic information from ocean and ice cores, and the causes of climate change.
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