Questions tagged [glaciation]

Questions about glaciations, glacial periods or ice ages. Including the evidence of their existence, the conditions during such periods and the causes.

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Glacial extent variability during last glacial period?

Does anyone know an online source to illustrate glacial extent variability during last ice age, ca 120ky pb to 10ky pb? Most sources seem to concentrate only on the maximum, but apparently, there was ...
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Can the shape and orientation of a large glacial rock deposit indicate glacial flow direction

If a rock is tapered, does the tapered point indicate the glacier direction?
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Milankovitch cycles and what?

Observe the vertical green lines in this diagram: Those events shows when temperature starts to sink when radiance is at top or even before that. If there was a simple connection between radiance and ...
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Can extratropical cyclones force global cooling?

We are living in a historical period of global warming since about 20,000 years ago. This global warming period is one of about ten in human history. Those periods may very well be forced to start by ...