Glaciation
A map showing the glaciation of Japan about 20,000 years ago
Glaciation is the forming of ice (glaciers) on land. It is related to the Milankovich theory.
Causes of glaciation
- A temperature decrease about 4-5o C around the world
- Higher amounts of snow near the Arctic
- The difference of the Earth's orbit from a perfect circle
- Changes in Earth's axial tilt