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Record #119189:

Snowpack characteristics associated with avalanche accidents / James Bruce Jamieson, C.D. Johnston.

Title: Snowpack characteristics associated with avalanche accidents / James Bruce Jamieson, C.D. Johnston.
Author(s): Jamieson, James Bruce.
Johnston, C. D.
Date: 1992.
In: Canadian Geotechnical Journal. (1992.), Vol. 29(5) (1992)
Abstract: Most fatal avalanche accidents in Canada between 1972 and 1991 involved dry snow slabs and were triggered by people. Slab thicknesses averaged 0.86 m and over half included snow deposited before most recent storm. Surface hoar and faceted grains were often reported in weak layers believed to have released overlying slabs. Experts and non-experts had difficulty in recognizing or evaluating instablities involving these two features, suggesting that present field tests and forecasting techniques may be unsatisfactory for assessing them.
Notes:

Canadian Geotechnical Journal. Vol. 29(5) :862-866 (1992).

Keywords: 551.578.46 -- Snow cover and snow patches.
551.578.48 -- Avalanches.
551.578.482 -- Avalanches. Theory, causes.
624.144 -- Damage caused by snow and ice.
E10 -- Glaciology: snow and avalanches.
SPRI record no.: 119189

MARCXML

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245 10 ‡aSnowpack characteristics associated with avalanche accidents /‡cJames Bruce Jamieson, C.D. Johnston.
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500 ## ‡aCanadian Geotechnical Journal. Vol. 29(5) :862-866 (1992).
520 3# ‡aMost fatal avalanche accidents in Canada between 1972 and 1991 involved dry snow slabs and were triggered by people. Slab thicknesses averaged 0.86 m and over half included snow deposited before most recent storm. Surface hoar and faceted grains were often reported in weak layers believed to have released overlying slabs. Experts and non-experts had difficulty in recognizing or evaluating instablities involving these two features, suggesting that present field tests and forecasting techniques may be unsatisfactory for assessing them.
650 07 ‡a551.578.46 -- Snow cover and snow patches.‡2udc
650 07 ‡a551.578.48 -- Avalanches.‡2udc
650 07 ‡a551.578.482 -- Avalanches. Theory, causes.‡2udc
650 07 ‡a624.144 -- Damage caused by snow and ice.‡2udc
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