Glacial Process: Periglacial Flashcards
1
Q
What is the active layer?
A
The top layer of permafrost that thaws in the summer.
2
Q
What is frost heave?
A
What underneath the rocks or ground freezes, expands and therefore forces the mass upwards.
3
Q
What is solifluction?
A
The movement of soil is waterloggered when water is trapped between the active layer and the permafrost.
