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| File name: |
GlacierIceV2.swf |
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| Title: | Glacial Advance and Retreat. |
| Caption: | This animation has two main parts. The first part presents the conditions necessary for glacial advance. The second presents the conditions necessary for glacial retreat. |
| Keywords: | glaciation, ice, valley glaciers, zone of accumulation, zone of ablation, wastage, equilibrium lines, snow lines |