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Glacial


A glacial period (alternatively glacial or glaciation) is an interval of time (thousands of years) within an ice age that is marked by colder temperatures and glacier advances. Interglacials, on the other hand, are periods of warmer climate between glacial periods. The last glacial period ended about 15,000 years ago. The Holocene epoch is the current interglacial. A time when there are no glaciers on Earth is considered a greenhouse climate state.

Within the Quaternary glaciation (1.8 Ma to present), there have been a number of glacials and interglacials.

The last glacial period was the most recent glacial period within the current ice age, occurring in the epoch, which began about 110,000 years ago and ended about 15,000 years ago. The glaciations that occurred during this glacial period covered many areas of the Northern Hemisphere and have different names, depending on their geographic distributions: Wisconsin (in North America), Devensian (in Great Britain), Midlandian (in Ireland), Würm (in the Alps), Weichsel (in northern central Europe), Dali (in East China), Beiye (in North China), Taibai (in Shaanxi) Luojishan (in Southwest Sichuan), Zagunao (in Northwest Sichuan), Tianchi (in Tianshan Mountains) Qomolangma (in Himalaya), and Llanquihue (in Chile). The glacial advance reached its maximum extent about 18,000 BP. In Europe, the ice sheet reached northern Germany.


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Wikipedia

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