1st Year Mass Movement Terms

Question 1

Prolonged rainfall

Answer 1

This will saturate the soil and encourage soil movement. Water acts as a lubricant and adds weight to the slope

Question 2

Excavation

Answer 2

Undercutting of slope increases instability. Construction of roads and buildings

Question 3

Regolith

Answer 3

Loose weathered material, e.g. scree