Ice Wedge Polygons Flashcards
1
Q
Ice Wedge Polygons Appearance
A
Irregular polygons, 5 to 30m across
2
Q
Ice Wedge Polygons Formation
A
When active layers thaws, ice wedges begin to form as water flows down into cracks.
Subsequently freezes and contracts, which means ice wedge can build up over time
3
Q
Ice Wedge Polygons landform type
A
PERIGLACIAL
