How Do Glaciers Form?

How Do Glaciers Form?

• Glaciers Form In Areas Where Winter Snowfall Exceeds Summer Melting - Zone Of Accumulation

1)      Does Not Require Year-Round Snowfall, Only Cold Enough To Have Snow Exist Through The           Summer

2)    The Weight Of Accumulating Snow Compress Lower Layers Into Glacial Ice

• Snow
• Granular Ice
• Firn
• Glacial Ice

3)  As The Ice Accumulates, It Begins To Flow

• the glacier also loses ice - zone of ablation

1)  Melting

2)calving
3)sublimation

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