Periglacial Characteristics + Landforms

Question 1

Scree

Answer 1

frost shattering occurs and leaves a sea of small rocks at the bottom of a slope

Question 2

Felsenmeer

Answer 2

Frost shattering occurs and big rocks/boulders are left at the bottom of a slope

Question 3

Nunatak

Answer 3

Exposed summit of a ridge( no cover of snow)
suffers heavy frost shattering due to proximity of ice

Question 4

Solifluction

Answer 4

Progressive Movement of a mass down a slope caused by freeze thaw

Question 5

Frost Heave

Answer 5

water gets under rocks in the ground and freezes, expands and pushes them up

Question 6

Stone polygons

Answer 6

frost heave occurs pushing up rocks randomly to create polygons

Question 7

stone stripes

Answer 7

frost heave occurs and the rocks pushed up roll down a hill to create stone stripes

Question 8

ice wedges

Answer 8

cracks open in summer melts and water gets in them, freeze thaw occurs which makes the cracks bigger over time

Question 9

Open Pingo

Answer 9

temperatures drop and moisture in the ground freezes. as pressure increases it pushes up creating a mound, which can crack at the surface opening the dome

Question 10

Closed pingos

Answer 10

Temperatures drop and moisture in the ground freezes. pressure increases and pushes up, creating a mound in the ground