Analysis of snow avalanche terrain

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Journal titleCanadian Geotechnical Journal
Pages281287; # of pages: 7
Subjectavalanches; snow (snowfall); wind loads; slope
AbstractA multiple regression analysis has been performed of the average annual number of avalanches and terrain factors. Observations were made at 36 paths at Rogers Pass over a period of 9 years. The average slope inclination measured from the starting point to the beginning of the run-out zone and exposure to wind proved to be the most significant variables. Slope angle at the starting point, variations over the track, and roughness of the ground surface were of secondary significance and their influence varied strongly from site to site. The analysis confirmed that avalanches need either a steep slope or a snow drift to start and a minimum inclination of track to maintain their motion.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number16004
NPARC number20374123
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Record identifierd6f355ff-dee5-4b0f-9833-bcd13a37da03
Record created2012-07-23
Record modified2016-05-09
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