click below
click below
Normal Size Small Size show me how
Mass Movement
Chapter 9; Mass Movement
| Question | Answer |
|---|---|
| What is Mass movement? | The process by which loose, weathered material such as rock and mud is moved downslope under the influence of gravity. |
| What is the loose material collectively known as? | Regolith. |
| Name a slow type of mass movement. | Soil Creep. |
| Name a fast type of mass movement. | Landslide or Lahar/Mudflow. |
| Why is the water content in mass movement so important? | The water content controls the speed of mass movement. Mass movement in saturated soils is rapid and can cause destruction. |
| What is overgrazing? | When too many animals graze the land, damaging its structure. |
| What is subsistence farming? | Farming that is not profitable and is done just to provide enough food for a family. |
| What is consolidated? | Made firm, strengthened, brought together in a single whole. |
| What is unconsolidated? | Made loosened, brought together in a single whole. |
| What are the factors that affect the process of mass movement? | Slope, Water Content, Slope Material, Vegetation, Human activity and Natural disasters/Tectonic plates. |