Avalanches Flashcards
1
Q
What is an avalanche
A
Avalanche is a mass of snow and ice that moves very rapidly down a mountainside
2
Q
What are five physical causes of avalanches?
A
Heavy snowfall ❄️
Melting weakens the layers of ice making them unstable 💧
Steep slope 🏔️
Spring sunshine ☀️
Small earthquakes 🌎
3
Q
What are 2 human causes of an avalanche?
A
People skiing/walking on the snow can caucused increased pressure on the layer of snow making them unstable ⛷️
Trees cut down 🌲
4
Q
What are 6 ways to prevent avalanches?
A
Monitor state of snow ❄️
Weather warnings ⚠️
Wooden fences built on slope⛄️
Trees break up smaller avalanches so they aren’t too dangerous ‼️
Trees hold the snow together with roots 🌲
Roads and buildings can have shoots/slides can be built to escape quickly🏙️
