Articles | Volume 20, issue 7
Nat. Hazards Earth Syst. Sci., 20, 1941–1953, 2020
https://doi.org/10.5194/nhess-20-1941-2020
Nat. Hazards Earth Syst. Sci., 20, 1941–1953, 2020
https://doi.org/10.5194/nhess-20-1941-2020

Research article 10 Jul 2020

Research article | 10 Jul 2020

On snow stability interpretation of extended column test results

Frank Techel et al.

Data sets

ECT and RB data Switzerland F. Techel and K. Winkler https://doi.org/10.16904/envidat.158

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Short summary
Snow instability tests, like the extended column test (ECT), provide valuable information regarding point snow instability. A large data set of ECT – together with information on slope instability – was explored. The findings clearly show that combining information regarding propagation propensity and fracture initiation provided the best correlation with slope instability. A new four-class stability interpretation scheme is proposed for ECT results.
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