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Your search for Keyword "crack"resulted in 41 records.

Title: THE ROLE OF SLOPE ANGLE IN SKIER-TRIGGERED SLAB AVALANCHE RELEASE
Date: 2026-09-28
Authors: Stephan Harvey, Alec van Herwijnen, Yannik Werner, Valentin Adam
Description: Slope angle is a key factor in dry-slab avalanche formation and central to avalanche education and terrain assessment. Combined with the avalanche dan...
Object ID: ISSW2026_FS2.4.pdf
Keywords: slope angle, slab avalanche release, failure initiation, crack propagation, friction, skier triggering
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Title: A REVIEW OF AVALANCHE RELEASE MECHANISMS: FROM ANTICRACK PROPAGATION TO SUPERSHEAR FRACTURE
Date: 2026-09-28
Authors: Johan Gaume, Alec van Herwijnen, Jürg Schweizer
Description: Dry-snow slab avalanches are responsible for most avalanche fatalities, making understanding of release mechanisms essential for forecasting and hazar...
Object ID: ISSW2026_O1.1.pdf
Keywords: dry-snow slab avalanche, avalanche release, weak layer, failure initiation, crack propagation, anticrack, supershear fracture, slab fracture.
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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
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Title: Slab Fractures during Dynamic Crack Propagation in Dry-Snow Slab Avalanches
Date: 2026-09-28
Authors: Francis Meloche, Bertil Trottet, Grégoire Bobillier, Johan Gaume
Description: Predicting the size of dry-snow slab avalanches remains difficult, limiting hazard assessment despite major advances in the understanding of crack ini...
Object ID: ISSW2026_O1.7.pdf
Keywords: slab fracture, crack propagation, avalanche size, release size index
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Title: ON HOW THE TEMPORAL EVOLUTION OF SLAB AND WEAK LAYER PROPERTIES AFFECTS FAILURE INITIATION AND CRACK PROPAGATION IN DRY-SNOW SLAB AVALANCHE FORMATION
Date: 2026-09-28
Authors: Jürg Schweizer, Benjamin Reuter, Christoph Mitterer
Description: In the European Alps, the avalanche situation in winter 2025/26 was dominated by persistent weak layers. Very many dry-snow slab avalanches were trigg...
Object ID: ISSW2026_O4.6.pdf
Keywords: dry-snow slab avalanche, failure initiation, crack propagation, snow stability, weak layer, strength, toughness
View additional details about ON HOW THE TEMPORAL EVOLUTION OF SLAB AND WEAK LAYER PROPERTIES AFFECTS FAILURE INITIATION AND CRACK PROPAGATION IN DRY-SNOW SLAB AVALANCHE FORMATION

Title: FROM UAS SNOW DEPTH SURVEYS TO AVALANCHE RUNOUT: A MODEL CHAIN OF AVALANCHE RUNOUT FOR HIGHWAY FORECASTING OPERATIONS
Date: 2026-09-28
Authors: Ron Simenhois, Ryan Zarter, Valerie Foley, John Snook, Mike Cooperstein, Ethan Greene
Description: Avalanche programs that protect highways need to know whether an avalanche in a specific path will reach the road. Forecasters estimate this from expe...
Object ID: ISSW2026_O7.3.pdf
Keywords: avalanche forecasting, runout modeling, uas, photogrammetry, snowpack modeling, crack propagation
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Title: DYNAMIC CRACK PROPAGATION SPEED TRANSITION IN MULTILAYER SYSTEMS
Date: 2026-09-28
Authors: Shubo Zhang, Nicola M. Pugno
Description: The dynamic propagation of cracks in solids is widely observed in nature, such as in snow avalanches. Pioneering studies have demonstrated that the up...
Object ID: ISSW2026_P1.35.pdf
Keywords: dynamic crack propagation, snow avalanche, multilayer system.
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Title: Numerical study of the feasibility of a downslope structure to limit avalanche size during avalanche control activity
Date: 2026-09-28
Authors: Francis Meloche, Ron Simenhois, Don Sharaf, Ethan Greene, Johan Gaume
Description: Avalanche defense structures in starting zones are effective, but they are also expensive and visually intrusive; as a result, many highway programs i...
Object ID: ISSW2026_P1.51.pdf
Keywords: crack arrest, avalanche mitigation structures, release size, numerical modelling, depth-averaged material-point-method.
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Title: USING MODIFIED PROPAGATION SAW TESTS TO TRACK INCREMENTAL CHANGES IN SNOWPACK STABILITY
Date: 2026-09-28
Authors: Itai Sheleg, Bruce Jamieson, Karl W. Birkeland, Dave Gauthier, Ron Simenhois
Description: Backcountry avalanche forecasters issue daily snowpack stability assessments to guide danger ratings and travel recommendations. Stability trends are ...
Object ID: ISSW2026_P2.12.pdf
Keywords: propagation saw test, crack propagation, snowpack stability, avalanche forecasting
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Title: HUNTING MACH CONES IN SNOW:SUPERSHEAR FRACTURE & SHOCK FRONT REFRACTION IN LAYERED SLABS
Date: 2026-09-28
Authors: Alexandre Pellet, Bastian Bergfeld, Alec van Herwijnen, Johan Gaume
Description: Supershear crack propagation has recently been identified as an important mechanism in snow slab avalanche release. In this regime, the crack in the w...
Object ID: ISSW2026_P1.16.pdf
Keywords: snow slab avalanche, crack propagation, supershear fracture, mach cone, weak layer, propagation saw test, snow stratigraphy.
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Title: FLOWING FROM RELEASE TO RUNOUT: HIGH-RESOLUTION RADAR MEASUREMENTS OF SNOW AVALANCHES
Date: 2024-09-23
Authors: Anselm Köhler, Michael Neuhauser, Gregoire Bobillier, Jan-Thomas Fischer
Description: Radar technology is indispensable in the context of snow avalanche monitoring. Practitioners rely on the capabilities of related real-time detection ...
Object ID: ISSW2024_O2.1.pdf
Keywords: avalanche dynamics, radar measurements, weak layer crack propagation speed, front velocity
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Title: THE EFFECT OF SLOPE ANGLE ON CRITICAL CUT LENGTH MEASURED IN PROPAGATION SAW TESTS
Date: 2024-09-23
Authors: Bastian Bergfeld, Valentin Adam, Philipp L. Rosendahl, Alec van Herwijnen
Description: Assessing avalanche triggering potential requires detailed information on failure initiation and crack propagation. The propagation saw test (PST) is ...
Object ID: ISSW2024_P3.12.pdf
Keywords: stability test, propagation saw test, edge effect, failure initiation, crack propagation
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Title: EXPERIMENTS ON SELF-SUSTAINED CRACK PROPAGATION IN AVALANCHES
Date: 2023-10-08
Authors: Bastian Bergfeld, Melin Walet, Alec van Herwijnen
Description: If a slab avalanche is triggered, how big will it be? This question is crucial for avalanche forecasters and backcountry travelers alike, yet it is di...
Object ID: ISSW2023_O2.02.pdf
Keywords: avalanche release, fracture mechanics, avalanche size, dynamic crack propagation, supershear
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Title: ON STABILITY MEASUREMENTS AND MODELING
Date: 2023-10-08
Authors: Jürg Schweizer, Benjamin Reuter, Christoph Mitterer, Fabiano Monti, Stephanie Mayer
Description: Recent developments in snow stability modeling demonstrated the great potential of numerical snow cover modeling for avalanche forecasting. The recent...
Object ID: ISSW2023_P1.31.pdf
Keywords: snow stability, avalanche forecasting, numerical modeling, failure initiation, crack propagation
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Title: WHAT COULD STOP DYNAMIC CRACK PROPAGATION IN DRY SNOW SLAB AVALANCHES?
Date: 2023-10-08
Authors: Francis Meloche, Grégoire Bobilier, Louis Guillet, Francis Gauthier, Alexandre Langlois, Johan Gaume
Description: Dry snow slab avalanches are difficult to predict. The release process of dry-snow slab avalanche begins with an initial failure within a buried weak ...
Object ID: ISSW2023_P1.57.pdf
Keywords: avalanche release size, dynamic crack propagation, crack arrest, dampm, material point method, weak layer, slab, fracture
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