GrandHustle
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Report Thread starter 8 years ago
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Hey,

I'm currently studying Cold Environments, looking at Periglacial Processes. I've been looking into Gelifluction and Solifluction as processes of periglaciation. The two terms seem to be used, mostly, without differentiation. However, I am given to understand that there is a difference between the two processes. Apparently gelifluction is more distinct to periglaciation than solifluction? Could anyone explain the difference between the two processes, if at all there is a difference?

Thanks in advance
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mikeorchard
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Report 8 years ago
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Gelifluction occurs in areas of permafrost.
Solifluction does not.
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kevincooper777
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Solifluction means the down-slope movement of soil (sol = soil) - caused by the waterlogging of the soil (so increased lubbrication between soil particles).
Gelifluction is a specific TYPE of solifluction - i.e. caused by the active layer (soil) flowing down-slope due to the waterlogging of the soil due to there being frozen soil / rock underneath (which is therefore impermeable).
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ITS-H
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Solifuction: The flow of soil during a thaw cycle from high to lowerelevation.• Gelifluction: The flow of soil during a thaw cycle from high to lowerelevation during the presence of ground ice or permafrost.
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