A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Extreme value prediction of snow avalanche runout
AbstractAvalanche runout distances have traditionally been calculated by selecting friction coefficients and then using them in an avalanche dynamics model. Uncertainties about the mechanical properties of flowing snow and its interaction with terrain make this method speculative. Here, an alternative simple method of predicting runout based on terrain variables is documented. By fitting runout data from five mountain ranges to extreme value distributions, we are able to show how (and why) extreme value parameters vary with terrain properties of different ranges. The method is shown to be applicable to small and truncated data sets which makes it attractive for use in situations where detailed information on avalanche runout is limited.
Extreme value prediction of snow avalanche runout
AbstractAvalanche runout distances have traditionally been calculated by selecting friction coefficients and then using them in an avalanche dynamics model. Uncertainties about the mechanical properties of flowing snow and its interaction with terrain make this method speculative. Here, an alternative simple method of predicting runout based on terrain variables is documented. By fitting runout data from five mountain ranges to extreme value distributions, we are able to show how (and why) extreme value parameters vary with terrain properties of different ranges. The method is shown to be applicable to small and truncated data sets which makes it attractive for use in situations where detailed information on avalanche runout is limited.
Extreme value prediction of snow avalanche runout
McClung, D.M. (author) / Mears, A.I. (author)
Cold Regions, Science and Technology ; 19 ; 163-175
1990-06-19
13 pages
Article (Journal)
Electronic Resource
English
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