Search the International Snow Service Workshops (ISSW) Proceedings Professional Papers and Poster Talks Publications database

Your search for Keyword "pst"resulted in 11 records.

Title: STABILITY CHANGES AFTER WEAK LAYER COLLAPSE: INSIGHTS FROM AN UNEXPECTED DATASET: Date: 2026-09-28; Authors: Andrea Bruckmeier, Erika Birkeland, Ron Simenhois, Alex Marienthal, Erich Peitzsch, Karl W. Birkeland; Description: While conducting avalanche mitigation or traveling through the backcountry, avalanche professionals sometimes experience a "whumpf": a collapse-mode c...; Object ID: ISSW2026_O1.3.pdf; Keywords: whumpf, crack propagation, propagation saw test (pst), snowpack stability, avalanche release; View additional details about STABILITY CHANGES AFTER WEAK LAYER COLLAPSE: INSIGHTS FROM AN UNEXPECTED DATASET

Title: EVALUATION AND IMPROVEMENT OF SNOW STABILITY TESTS BASED ON MEASUREMENTS ASSOCIATED WITH REAL AVALANCHES: Date: 2024-09-23; Authors: Alain Duclos, Frédéric Pourraz, Gaëlle Bourgeois; Description: A number of snow stability tests (Rutschblock, CT, ECT, PST) have been in use for long. However, some dramatic cases have shown their limitations as s...; Object ID: ISSW2024_P1.4.pdf; Keywords: snow stability tests, pst critical initiation cuts, significant triggering probability, snowpack measurements, avalanche prediction.; View additional details about EVALUATION AND IMPROVEMENT OF SNOW STABILITY TESTS BASED ON MEASUREMENTS ASSOCIATED WITH REAL AVALANCHES

Title: COMPARING THE EFFECTIVENESS OF THE ECT, PST AND CT FOR ASSESSING SNOW STABILITY: Date: 2023-10-08; Authors: Alex Marienthal, Doug Chabot, Karl Birkeland; Description: Avalanche professionals utilize small-block tests such as the Extended Column Test (ECT), Propagation Saw Test (PST), and Compression Test (CT) to aug...; Object ID: ISSW2023_O9.04.pdf; Keywords: stability tests, false-stable rates, ect, pst, ct; View additional details about COMPARING THE EFFECTIVENESS OF THE ECT, PST AND CT FOR ASSESSING SNOW STABILITY

Title: TEMPORAL EVOLUTION OF SLAB AND WEAK LAYER PROPERTIES DURING THE TRANSITION FROM DRY TO WET SNOWPACK CONDITIONS: Date: 2023-10-08; Authors: Josh Lipkowitz, Erich Peitzsch, Jean Dixon, Marcus Kalb, Doug McCabe, Griffin Ditmar, Christoph Mitterer; Description: Wet-snow slab avalanches are destructive and may become more prevalent in a warming climate. This type of avalanche remains challenging to forecast be...; Object ID: ISSW2023_P3.23.pdf; Keywords: wet slab, liquid water content, pst; View additional details about TEMPORAL EVOLUTION OF SLAB AND WEAK LAYER PROPERTIES DURING THE TRANSITION FROM DRY TO WET SNOWPACK CONDITIONS

Title: Critical Length for the Onset of Crack Propagation in Snow: Reconciling Shear and Collapse: Date: 2016-10-02; Authors: Johan Gaume, Alec van Herwijnen, Guillaume Chambon, Nander Wever, JÃ¼rg Schweizer; Description: The failure of a weak snow layer buried below cohesive slab layers is a necessary, but insufficient condition for the release of a dry-snow slab avala...; Object ID: ISSW16_O1.02.pdf; Keywords: snow avalanche, crack propagation, critical length, slope angle, pst, slab, weak layer; View additional details about Critical Length for the Onset of Crack Propagation in Snow: Reconciling Shear and Collapse

Title: A New Crack Propagation Criterion for Skier-Triggered Snow Slab Avalanches: Date: 2016-10-02; Authors: Johan Gaume, Benjamin Reuter, Alec van Herwijnen, JÃ¼rg Schweizer; Description: Dry-snow slab avalanches begin with a local failure in a weak snowpack layer buried below cohesive slab layers. If the size of the failed zone exceeds...; Object ID: ISSW16_P1.01.pdf; Keywords: snow avalanche, skier-triggering, failure initiation, crack propagation, pst, slab, weak layer; View additional details about A New Crack Propagation Criterion for Skier-Triggered Snow Slab Avalanches

Title: Using Large Column Tests to Successfully Forecast Persistent Deep Slab Avalanches in the Central Sierra Nevada Mountains: Date: 2016-10-02; Authors: Brandon Schwartz, Andy Anderson; Description: Forecasting of Persistent Deep Slab avalanches presents a unique and at times difficult problem for Backcountry Regional Forecasters, Guide Services, ...; Object ID: ISSW16_P4.26.pdf; Keywords: avalanche forecasting, persistent deep slab, propagation saw test (pst), extended column test (ect), sierra nevada; View additional details about Using Large Column Tests to Successfully Forecast Persistent Deep Slab Avalanches in the Central Sierra Nevada Mountains

Title: Discrete Element Modeling of Crack Propagation in Weak Snowpack Layers: Date: 2014-09-29; Authors: Johan Gaume, Alec van Herwijnen, JÃ¼rg Schweizer, Guillaume Chambon, Karl W. Birkeland; Description: Dry-snow slab avalanches are generally caused by a sequence of fracture processes including (1) failure initiation in a weak snow layer underlying a c...; Object ID: ISSW14_paper_O6.02.pdf; Keywords: snow avalanche, crack propagation, pst, discrete element modeling, slab, weak layer; View additional details about Discrete Element Modeling of Crack Propagation in Weak Snowpack Layers

Title: The PST with a Twist: Comparing the Standard PST to the Cross Slope PST: Date: 2014-09-29; Authors: Eric Knoff; Description: In recent years, the propagation saw test (PST) gained popularity for both avalanche professionals and backcountry recreationalists. A limiting factor...; Object ID: ISSW14_paper_P2.30.pdf; Keywords: propagation saw test (pst), cross-slope propagation saw test (cpst), extended columntest (ect), critical cut length, slope-angle, fracture propagation; View additional details about The PST with a Twist: Comparing the Standard PST to the Cross Slope PST

Title: Extended Column Test Results During Surface Warming: Does Surface Warming Affect Fracture Propagation Potential?: Date: 2008-09-22; Authors: Ron Simenhois, Karl Birkeland; Description: Dry slab avalanche stability typically increases over time in the absence of active loading from new snow or wind. However, field observations suggest...; Object ID: P__8037.pdf; Keywords: extended column test, pst, propagation saw test, fracture propagation; View additional details about Extended Column Test Results During Surface Warming: Does Surface Warming Affect Fracture Propagation Potential?

Title: The Effect of Changing Slab Thickness on Fracture Propagation: Date: 2008-09-22; Authors: Ron Simenhois, Karl Birkeland; Description: Many avalanches are triggered from shallower parts of a slope. Past research demonstrates that initiating fractures in such areas is easier than in de...; Object ID: P__8045.pdf; Keywords: ect, extended column test, pst, propagation saw test, fracture propagation; View additional details about The Effect of Changing Slab Thickness on Fracture Propagation