Analysis of avalanche measurements out of the runout area of NGI's full-scale test-site Ryggfonn
The paper summarizes measurements and observations of dry-snow avalanches at the Ryggfonn test-site with respect to their behavior in the runout area. Measurements of front velocities and retarding accelerations are presented and their probability distributions are deduced. These distributions are t...
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| Veröffentlicht in: | Cold regions science and technology 2009-06, Vol.57 (1), p.1-6 |
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| creator | Gauer, Peter Lied, Karstein Kristensen, Krister |
| description | The paper summarizes measurements and observations of dry-snow avalanches at the Ryggfonn test-site with respect to their behavior in the runout area. Measurements of front velocities and retarding accelerations are presented and their probability distributions are deduced. These distributions are then used in Monte-Carlo simulations to supplement measurements of the runout distances and to evaluate the effectiveness of a catching dam in the runout area. The comparison between simulations with and without dam shows the limitation of earth walls as a mitigation measure when they are not placed close to the expected natural runout. |
| doi_str_mv | 10.1016/j.coldregions.2008.12.005 |
| format | Article |
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| ispartof | Cold regions science and technology, 2009-06, Vol.57 (1), p.1-6 |
| issn | 0165-232X 1872-7441 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Catching dam Earth, ocean, space Exact sciences and technology External geophysics Full-scale avalanche measurements Monte-Carlo simulation Retarding acceleration Runout Snow. Ice. Glaciers Velocity |
| title | Analysis of avalanche measurements out of the runout area of NGI's full-scale test-site Ryggfonn |
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