Frequency and Climatology of Major Avalanches at Rogers Pass, 1909 to 1977

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TypeArticle
Journal titlePaper, Division of Building Research, National Research Council Canada
ISSN0381-4319
Issue956
Pages99
Subjectavalanches; climatology; meteorological conditions; snow (snowfall); north america; climatologie; condition meteorologique; neige (precipitation); amerique du nord
AbstractA seventy-year record has been compiled of the number and mass of avalanches and the length of railway covered by avalanches at the Canadian Pacific Railway at Rogers Pass, British Columbia. The data showed only weak periodicities of avalanche activity. Several frequency distributions were analyzed for fit of the data, and the Gumbel method found appropriate for short return periods, but the sample period was too short to make conclusions with respect to probable maximum events. The weather before and during intense periods of avalanche activity was investigated and two different circulation patterns responsible for frequent avalanches were defined.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-P-956
NRC number19020
94
NPARC number20331336
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Record identifier0ee0a5fa-c691-47ef-ba14-4d0381841c0c
Record created2012-07-18
Record modified2016-05-09
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