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Avalanche!

Program Overview


Scientists estimate that there are more than 1 million avalanches each year. Complex in nature, an avalanche can range from snow falling off a roof to entire mountainsides of snow traveling for miles. The evolving field of avalanche research draws scientists from many disciplines who combine interests in geophysics, atmospheric sciences, and snow science to understand the properties of snow, snow crystal formation, snow mechanics, and the interaction between the environment and the snowpack. NOVA travels around the world to examine the state of the art of avalanche science.

Map of world with avalanche-prone areas in blue
Teacher's Guide
Avalanche!
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