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Record #112030:

Shock wave propagation and attenuation in snow / J.B. Johnson, and 6 others.

Title: Shock wave propagation and attenuation in snow / J.B. Johnson, and 6 others.
Author(s): Johnson, J. B.
Date: 1991.
In: Eos : transactions, American Geophysical Union. (1991.), Vol. 72(44, supplement) (1991)
Abstract: AGU Fall Meeting Program and Abstracts, December 9-13, 1991. Laboratory and field experiments were conducted to determine shock loading and release data for snow with initial densities from 100 to 520 kg m⁻³. Simulations also conducted to calculate pressure attenuation in snow and to examine effectiveness of using explosives to initiate avalanches. Results show that shock waves in snow are strongly attenuated and depend on shock impulse history, and loading and release behaviour. Response is highly rate sensitive and not dependent on initial snow temperature over range from -2 to -23°C.
Notes:

Eos : transactions, American Geophysical Union. Vol. 72(44, supplement) :182 (1991).

Keywords: 551.578.46 -- Snow cover and snow patches.
534.2 -- Acoustics in ice.
E10 -- Glaciology: snow and avalanches.
SPRI record no.: 112030

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245 10 ‡aShock wave propagation and attenuation in snow /‡cJ.B. Johnson, and 6 others.
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520 3# ‡aAGU Fall Meeting Program and Abstracts, December 9-13, 1991. Laboratory and field experiments were conducted to determine shock loading and release data for snow with initial densities from 100 to 520 kg m⁻³. Simulations also conducted to calculate pressure attenuation in snow and to examine effectiveness of using explosives to initiate avalanches. Results show that shock waves in snow are strongly attenuated and depend on shock impulse history, and loading and release behaviour. Response is highly rate sensitive and not dependent on initial snow temperature over range from -2 to -23°C.
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