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ISSW special edition EP6 - What is the sound of an avalanche? How infrasound can be used to detect and monitor avalanche activity.
Manage episode 437886749 series 2821449
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Being able to detect if an avalanche has released and its path is obviously important for avalanche warning and mitigation efforts. But how do you detect an avalanche? They often happen at night, in poor visibility hopefully far enough away from people.
One way to do that is by using infrasound, the low frequency sound that our human ear can not hear.
In this podcast we talk with Jeffrey B. Johnsen, a professor and infra sound specialist from Boise state university (USA).
If you would like to hear what the avalanches sound like you find the link to the sound from an intense avalanche cycle in Little Cottonwood Canyon (LCC) in Utah, U.S. here
(website credit: Skyler Chase, student, Boise State University)
Guest: Jeffrey B. Johnson
Host: Audun Hetland
www.carepanel.no
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