Avalanches

Question 1

What is a avalanche?

Answer 1

An avalanche is a rapid flow of snow down a slope, such as a hill or mountain.

Question 2

Where do avalanches occur?

Answer 2

Avalanches typically occur on mountainous slopes with steep angles (between 30 and 45 degrees) where snow can accumulate and become unstable.

Question 3

How do avalanches occur?

Answer 3

occur when a mass of snow becomes unstable and breaks away from a steeper slope.

Question 4

What are the three main causes of avalanches?

Answer 4

Snowstorm and Wind Direction: Heavy snowstorms are more likely to cause Avalanches. Heavy snowfall: Heavy snowfall is the first, since it deposits snow in unstable areas and puts pressure on the snow-pack.Human Activity: so walking on a mountain/slope.

Question 5

Ways to prevent avalanches?

Answer 5

Structural measures include diversion structures, dams, retarding structures and starting zone structures design to prevent avalanche initiation. Forest management can also be used to mitigate avalanche hazards.