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"The medium term climate changes includes the
semi-regular advances and retreats of the glaciers during an individual Ice Age. The last 2.8 Ma have been
marked by large global climate oscillations that have been recurring at approximately a 100,000 yr. periodicity
at least for the past 800,000 years. The warm periods, called interglacial periods, appear to last approximately
15,000 to 20,000 years before regressing back to a cold ice age climate."
(verändert nach:
© Paleontology Science
Center Paleoclimatology - The Study
of Ancient Climates)
[date of access: 11.08.06]
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