GCSE Revision Notes, Resources      

GCSE Geography > Glaciers

1. Precipitation (snow)

2. Fresh snow and ice starts to compact at the top of the glacier. Avalanches also occur at the top of the mountain.

3. Store - of ice

4. Flow - glacier moves downhill

5. Output - in the form of evaporated water or as melt water which runs off to flow into rivers / lakes etc...

Definitions:

  • Moraine - material such as rocks and boulders that are transported by the glacier in the ice.
  • Erratics - rocks and boulders transported by the glacier and deposited in an area of different rock. They can, therefore, easily be seen to be different from the rocks around them.

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