PeriGlacial landforms Flashcards
1
Q
What is Patterned ground?
A
Ground showing a pattern of stones, fissures, and vegetation, typically forming polygons, rings, or stripes caused by repeated freezing and thawing.
2
Q
What are Ice wedges?
A
Ice wedges are cracks within the ground filled with frozen ice or water.
3
Q
What are Pingos?
A
A dome-shaped mound consisting of a layer of soil over a large core of ice, occurring in permafrost areas.
4
Q
What is a Solifluction lobe?
A
Sediments form a tongue-shaped feature due to different downhill flow rates.
5
Q
What are Terracettes?
A
Ridges of soil that has repeatedly been saturated and unsaturated leading to slow downhill movement.
6
Q
What is Thermokarst?
A
Hollows produced by the selective melting of permafrost.
