[HTML][HTML] On the importance of snowpack stability, the frequency distribution of snowpack stability, and avalanche size in assessing the avalanche danger level

F Techel, K Müller, J Schweizer - The Cryosphere, 2020 - tc.copernicus.org
Consistency in assigning an avalanche danger level when forecasting or locally assessing
avalanche hazard is essential but challenging to achieve, as relevant information is often …

How hard do avalanche practitioners tap during snow stability tests?

HB Toft, SV Verplanck… - Natural Hazards and Earth …, 2024 - nhess.copernicus.org
This study examines the impact force applied from hand taps during extended column tests
(ECTs), a common method of assessing snow stability. The hand-tap loading method has …

The extended column test: test effectiveness, spatial variability, and comparison with the propagation saw test

R Simenhois, KW Birkeland - Cold Regions Science and Technology, 2009 - Elsevier
The Extended Column Test (ECT) is a new stability test that aims to assess the fracture
propagation potential across a 0.90 m wide isolated column. This paper: 1) describes the …

Snowpack tests for assessing snow-slope instability

J Schweizer, JB Jamieson - Annals of Glaciology, 2010 - cambridge.org
Information on snowpack instability is crucial for assessing avalanche risk in backcountry
operations as well as for operational forecasting of the regional avalanche danger. Since …

[HTML][HTML] On snow stability interpretation of extended column test results

F Techel, K Winkler, M Walcher… - … Hazards and Earth …, 2020 - nhess.copernicus.org
Snow instability tests provide valuable information regarding the stability of the snowpack.
Test results are key data used to prepare public avalanche forecasts. However, to include …

Comparison of snow stability tests: Extended column test, rutschblock test and compression test

K Winkler, J Schweizer - Cold Regions Science and Technology, 2009 - Elsevier
Several field tests have been proposed in the past for evaluating snow stability. However,
few comparative studies have been performed so that presently the advantages and …

[PDF][PDF] Comparing stability tests and understanding their limitations

KW Birkeland, A van Herwijnen, F Techel, EH Bair… - Proceedings of the 2023 …, 2023 - wsl.ch
Our paper focuses on four popular snowpack tests, the Rutschblock Test (RB), Compression
Test (CT), Extended Column Test (ECT), and Propagation Saw Test (PST), reviewing past …

[PDF][PDF] On consistency and quality in public avalanche forecasting-a data-driven approach to forecast verification and to refining definitions of avalanche danger

F Techel - 2020 - zora.uzh.ch
Public forecasts of regional avalanche danger are disseminated throughout the winter in
many mountainous regions. These forecasts-also called advisories, warnings, or bulletins1 …

Stress wave propagation through cohesive snow using viscoelastic analysis

SV Verplanck - 2024 - scholarworks.montana.edu
Many avalanches are triggered by dynamic loads. Previous avalanche-focused studies of
snow's response to dynamic loading consisted of field-based observations and static, elastic …

[PDF][PDF] Changes in stability test usage by Snowpilot users

KW Birkeland, D Chabot - Proceedings ISSW, 2012 - researchgate.net
Professionals and recreationists utilize stability tests to assess snow stability. Our goal is to
determine whether or not people are changing the types of tests they conduct. We utilized …