Glaciation

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

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

Causes of glaciation [change]

  • 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 tilt[3]

References [change]

  1. ↑ 1.0 1.1 1.2 http://www.uwsp.edu/geo/faculty/ritter/geog101/textbook/glacial_systems/glaciation_causes.html
  2. ↑ http://www.ncdc.noaa.gov/paleo/glaciation.html
  3. ↑ 3.0 3.1 http://www.museum.state.il.us/exhibits/ice_ages/why_glaciations1.html


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