Mass Movement Flashcards
1
Q
What is mass movement
A
Downslope movement of regolith under the influence of gravity
2
Q
Mass movement is classified by
A
Speed
Water content
Slope materials
3
Q
What is mass wasting
A
Result of mass movement on the landscape
4
Q
Factors that effect mass movement
A
Slope/ gradient Water Slope material Vegetation cover Human activity Tectonic activity
5
Q
Slowest form
A
Soil creep
6
Q
Evidence of soil creep
A
Tilted poles, fences and tree trunks
Terracettes
7
Q
What is rotational slumping
A
When a whole block of land drops together keeping shape and leaves a scarp exposed
8
Q
Volcanic mudflows are called
A
Lahars
9
Q
What is solifluction
A
Soil becomes saturated with water on top of permafrost soil
Water cannot percolate
Soil moves
