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Contact
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We encourage your feedback throughout this project. Your input will help with developing new content and the layout of this website.
Please title all emails "Avalanche Project" for easy identification.
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Formation of Avalanches
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Low Res (400x225)
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Snow Layers
A short video highlighting the many layers that form within a snowpack.
The clip begins in daylight and as the light fades backlighting illuminates the layers of snow.
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Terrain
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Avalanche Terrain Exposure Scale (ATES)
This is an introduction to the Avalanche Terrain Exposure Scale. It is presented by Grant Stathem, a principal developer of the system.
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Angle of Repose
This video looks at terrain.
Specific terrain features such as scree slopes and moraines are by their physical structure classic features to avalanche.
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Field Tests/Observations
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Low Res (338x225)
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Field Observations
Video demonstration of several field observations: recent avalanche activity, rapid warming, significant precipitation,
wind, whumphing, and radiating cracks
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Compression Test
A demonstration of the standard compression test with two distinct weak layers found. Filmed at night to provide better contrast with the snow.
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Rutschblock Test
A demonstration of digging and performing a standard rutschblock test.
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Exercises
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Field Observations Exercise
You are flying into the backcountry shortly after a storm. What observations can you make regarding the current avalanche hazard?
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Low Res (400x225)
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Route Selection Exercise 1
This video looks at an actual uptrack on a mountain and asks students if they would follow it. It then looks at an alternative route up, and considers the party's descent.
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Rescue
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Burial Survival Time Graph
An animated graph indicating survival times for a complete burial. Each second represents one minute of burial time.
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Low Res (400x225)
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Beacon Flux Lines
A demonstration of flux lines and how they draw a searcher to the beacon
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Low Res (400x225)
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Avalanche Survival Times
This is an eight minute video clip of a skier caught and buried in an avalanche.
During the burial, some basic stats are presented and information regarding burial survival are presented.
Good Intro piece.
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Full
Second
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Alberta Health, Full
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