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This layer is brittle, smooth and slippery, and does not bond with snow layers above it, allowing the overlying slab of snow to move down the mountain under
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when disturbed or if the accumulated snowfall exceeds a critical mass. The initial slab may be as large as 10,000m² and 10 metres thick.
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A temperature high enough to allow surface snow to melt, creating a layer of melt water which may later re-freeze.
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Rain falling and freezing on the surface of existing snow, also creating a frozen layer.
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35:The layer can be created in two ways:
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24:is a discontinuity between
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28:layers which can lead to
18:Melt-Freeze Crust
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70:. Archived from
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74:on 2013-01-23
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76:. Retrieved
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68:"Rain Crust"
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78:2012-09-20
54:References
30:avalanches
22:Rain Crust
93:Category
48:gravity
99:Snow
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26:snow
20:or
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16:A
81:.
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