Wikipedia

Glaciation

interval of time within an ice age that is marked by colder temperatures and glacier advances

Glaciation is the forming of ice (glaciers) on land.[1] It is related to the Milankovich theory.[2]

A map showing the glaciation of Japan about 20,000 years ago

Causes of glaciation

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  • A temperature decrease about 4-5o C around the world[1]
  • Higher amounts of snow near the Arctic[1]
  • The difference of the Earth's orbit from a perfect circle[3]
  • Changes in Earth's axial tilt[3]

References

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  1. ↑ 1.0 1.1 1.2 "Glaciation". Archived from the original on 2010-08-21. Retrieved 2010-08-11.
  2. ↑ "Paleoclimatology | National Centers for Environmental Information (NCEI)".
  3. ↑ 3.0 3.1 "Why do glaciations occur?". Archived from the original on 2001-04-16. Retrieved 2010-08-11.


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