Mass Movement

Question 1

What are factors that affect mass movement?

Answer 1

• Gradient
• Water content
• Human activity
• Vegetarian
• Animals

Question 2

What is a type of slow mass movement?

Answer 2

Soil creep

Question 3

What are types of fast mass movement?

Answer 3

• Bog Burst
• Mudflows
• Landslides
• Avalanches

Question 4

What is soil creep?

Answer 4

Terracettes can form giving a wrinkled appearance. Trees grow at an angle an walls crack and break when soil piles up behind them

Question 5

What are bog burts?

Answer 5

The peat becomes saturated with peat. The peat moves downslope and can clock roads, knock down trees and pollute lakes and rivers

Question 6

What is a mudflow?

Answer 6

Soil and regolith become saturated with water and move downslope. They are the fastest form of mass movement and can reach speeds of 100km per hour.

Question 7

What is a lahar?

Answer 7

In snowy regions, a volcanic eruption will cause sow and ice to melt quickly. This meltwater mixes with ash, soil and rock fragments to create a particularly dangerous kind of mudflow

Question 8

What is a landslide?

Answer 8

The rapid movement of regolith down a steep slope that has become unstable. Causes of landslides include coastal erosion, deforestation, earthquake and undercutting by road building

Question 9

What are avalanches?

Answer 9

The rapid movement of snow and ice downslope