Cold environments
- Created by: Imogenhoyle
- Created on: 09-05-14 09:51
Periglacial process Periglacial landform
Solifluction solifluction lobe
Freeze thaw Scree slopes
Nivation Nivation hollow
Frost heave stone stripes and polygons
ground contraction ice wedge polygons
Solifluction lobes - the active layer undergoes seasonal thawing. In summer when the active layer thaws the water cannot pentrate through the impermeable permafrost below and so the active layer becomes saturated. The actice layer begins to move own hill on any slope that is two degrees or higher
Nivation hollow - For a Nivation hollow to form there must be small hollow on a north/ north east facing slope. The N/NE facing slope allows thehollow to fill with snow because it is isolated from the sun's rays…
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