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Your search for Keyword "slab avalanches"resulted in 25 records.

Title: REPLICATING SLAB AVALANCHE INITIATION: A FIELD TEST FOR CONTROLLED ANTICRACK NUCLEATION
Date: 2026-09-28
Authors: Valentin Adam, Yannik Werner, Jakob Schöttner, Melin D. E. Walet, Florian Rheinschmidt, Philipp Weißgraeber, Alec van Herwijnen, Philipp L. Rosendahl
Description: Failure nucleation in slab avalanches is typically hidden beneath the snowpack, which, among other factors, makes this phenomenon so mysterious and di...
Object ID: ISSW2026_O1.2.pdf
Keywords: dry-snow slab avalanches, fracture initiation, finite fracture mechanics, release potential, stability assessment, field test
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Title: TOWARDS A MICROSTRUCTURE-INFORMED REPRESENTATION OF STRENGTH AND STIFFNESS OF WEAK SNOW LAYERS
Date: 2026-09-28
Authors: Jakob Schöttner, Melin Walet, Valentin Adam, Francesca Carletti, Philipp Weißgraeber, Philipp Rosendahl, Florian Rheinschmidt, Jürg Schweizer, Alec van Herwijnen
Description: Compilations of the mechanical properties of snow often exhibit scatter spanning orders of magnitude. The resulting uncertainty poses a significant ch...
Object ID: ISSW2026_P1.41.pdf
Keywords: snow slab avalanches, snow mechanics, weak layers, microstructure, strength, stiffness
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Title: DIGITAL IMAGE CORRELATION (DIC) IN SNOW MECHANICS: PRACTICAL CONSIDERATIONS AND APPLICATIONS
Date: 2026-09-28
Authors: Jakob Schöttner, Melin Walet, Valentin Adam, Michael J. Kohler, Bastian Bergfeld, Marcus Muhonen, Daan Leeflang, Florian Rheinschmidt, Philipp Rosendahl, Philipp Weißgraeber, Jürg Schweizer, Alec van Herwijnen
Description: In snow mechanics experiments, complex loading configurations and layered snow can produce highly non-uniform deformation, including strain localizati...
Object ID: ISSW2026_P3.35.pdf
Keywords: digital image correlation, dic, snow mechanics, snow slab avalanches, avalanche dynamics
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Title: A PERSISTENT SLAB CYCLE IN THE WASHINGTON CASCADSES; A CASE STUDY OF SNOWPACK VARIABLES AFFECTING THE DURATION OF OBSERVED AVALANCHE ACTIVITY ACROSS SUBREGIONS
Date: 2026-09-28
Authors: Kathryn J. Warren
Description: In the Washington Cascades, rain-on-snow events followed by prolonged high pressure frequently lead to the formation of crust adjacent persistent weak...
Object ID: ISSW2026_P4.23.pdf
Keywords: persistent slab avalanches, coastal snow climate, case study, faceted snow
View additional details about A PERSISTENT SLAB CYCLE IN THE WASHINGTON CASCADSES; A CASE STUDY OF SNOWPACK VARIABLES AFFECTING THE DURATION OF OBSERVED AVALANCHE ACTIVITY ACROSS SUBREGIONS

Title: MARCH MEGA THAW: FORECASTING CASE STUDY DURING A PROLONGED EARLY SPRING HEAT EVENT IN UTAH, 2025–26
Date: 2026-09-28
Authors: Nikki Champion, Jenna Malone, Jonathan Morgan
Description: The 2025–26 winter in Utah produced a complex snowpack shaped by persistent weak layers, multiple rain-on-snow events, extended high-pressure period...
Object ID: ISSW2026_P4.47.pdf
Keywords: wet slab avalanches, persistent weak layers, spring warming event, avalanche forecasting, snow climatology, utah
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Title: INSIGHTS INTO THE INFLUENCE OF SNOW MICROSTRUCTURE ON THE COMPRESSIVE STRENGTH OF WEAK LAYERS
Date: 2024-09-23
Authors: Jakob Schöttner, Melin Walet, Philipp Rosendahl, Philipp Weißgraeber, Valentin Adam, Florian Rheinschmidt, Benjamin Walter, Jürg Schweizer, Alec van Herwijnen
Description: Natural weak layers exhibit a variety of different microstructures and densities, and thus show different mechanical behavior. Up to now, mechanical p...
Object ID: ISSW2024_O3.2.pdf
Keywords: snow slab avalanches, snow mechanics, weak snow layers, strength, microstructure
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Title: A GUIDANCE FOR THE INTERPRETATION OF PROPAGATION SAW TESTS
Date: 2024-09-23
Authors: Philipp L. Rosendahl, Valentin Adam, Stephan Harvey, Bastian Bergfeld, Florian Rheinschmidt, Melin D. E. Walet, Jakob Schöttner, Alec van Herwijnen, Philipp Weißgraeber
Description: Assessing snowpack stability is crucial for determining the avalanche danger level. In this context, the propagation saw test is a valuable tool, thou...
Object ID: ISSW2024_O3.4.pdf
Keywords: dry-snow slab avalanches, fracture toughness, stability test, propagation saw test, propagation probability, real-time application
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Title: EXPANDING THE KNOWLEDGE OF WEAK-LAYER FRACTURE INTO CROSS-SLOPE DIRECTION
Date: 2024-09-23
Authors: Florian Rheinschmidt, Valentin Adam, Bastian Bergfeld, Melin D. E. Walet, Jakob Schöttner, Philipp Weißgraeber, Alec van Herwijnen, Philipp L. Rosendahl
Description: Fracture toughness, a critical material parameter for assessing resistance to crack growth, has been extensively studied in weak snow layers for mode ...
Object ID: ISSW2024_O3.5.pdf
Keywords: dry-snow slab avalanches, fracture toughness, cross-slope-propagation, out-of-plane loading, weak snow layers
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Title: DEVELOPING TWO MULTIAXIAL TESTING MACHINES TO LINK STRENGTH AND MICROSTRUCTURE OF WEAK SNOW LAYERS
Date: 2024-09-23
Authors: Jakob Schöttner, Eduardo Marques, Benjamin Eggert, Melin Walet, Ricardo Carbas, Valentin Adam, Michael Hohl, Philipp Weißgraeber, Philipp Rosendahl, Sirah Kraus, Florian Rheinschmidt, Michelle Hedvard, Lucas F.M. da Silva, Jürg Schweizer, Alec van Herwijnen
Description: Avalanche forecasting increasingly relies on snow cover models. In this context, accurate information on the mechanical properties of weak layers is r...
Object ID: ISSW2024_P3.11.pdf
Keywords: snow slab avalanches, weak snow layers, snow strength, experimental testing, microstructure
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Title: ASYMMETRICAL THREE-POINT BEND TEST FOR INVESTIGATING MIXED-MODE FRACTURE TOUGHNESS IN WELL-BONDED SNOW
Date: 2024-09-23
Authors: Valentin Adam, Florian Rheinschmidt, Melin D. E. Walet, Jakob Schöttner, Dr.-Ing. Bastian Bergfeld, Prof. Dr.-Ing. Philipp Weißgraeber, Dr. Alec van Herwijnen, Dr.-Ing. Philipp L. Rosendahl
Description: Slab fracture plays a crucial role in the release of dry-snow slab avalanches, affecting the size of the release area. However, there is a lack of fr...
Object ID: ISSW2024_P3.16.pdf
Keywords: dry-snow slab avalanches, fracture toughness, mixed-mode loading, slab fracture, bending test, finite element analysis
View additional details about ASYMMETRICAL THREE-POINT BEND TEST FOR INVESTIGATING MIXED-MODE FRACTURE TOUGHNESS IN WELL-BONDED SNOW

Title: QUANTIFYING SHORT-TERM CHANGES IN SNOW STRENGTH DUE TO INCREASING LIQUID WATER CONTENT ABOVE HYDRAULIC BARRIERS
Date: 2023-10-08
Authors: Mikael Schlumpf, Jordy Hendrikx, John Stormont, Ryan Webb
Description: The rapid weakening of snow layers that accumulate infiltrating liquid water is a well-known, but poorly quantified, mechanism for wet slab avalanche ...
Object ID: ISSW2023_P1.63.pdf
Keywords: wet snow, wet slab avalanches, blade hardness, liquid water content
View additional details about QUANTIFYING SHORT-TERM CHANGES IN SNOW STRENGTH DUE TO INCREASING LIQUID WATER CONTENT ABOVE HYDRAULIC BARRIERS

Title: TWO SEVERE AVALANCHE CYCLES IN 2020 AND 2023 IN RESIDENTIAL AREAS IN ICELAND PROVIDE VALUABLE INFORMATION ON AVALANCHE PROTECTIVE STRUCTURES
Date: 2023-10-08
Authors: Óliver Hilmarsson, Kristín Martha Hákonardóttir, Tómas Jóhannesson, Harpa Grímsdóttir
Description: More than fifty snow avalanches have interacted with snow-supporting structures, braking mounds, deflecting dams, splitters and catching dams in Icela...
Object ID: ISSW2023_P2.30.pdf
Keywords: dry slab avalanches, protective structures, fluidized front
View additional details about TWO SEVERE AVALANCHE CYCLES IN 2020 AND 2023 IN RESIDENTIAL AREAS IN ICELAND PROVIDE VALUABLE INFORMATION ON AVALANCHE PROTECTIVE STRUCTURES

Title: A FIELD TEST FOR THE MIXED-MODE FRACTURE TOUGHNESS OF WEAK LAYERS
Date: 2023-10-08
Authors: Valentin Adam, Bastian Bergfeld, Florian Rheinschmidt, Melin D. E. Walet, Jakob Schöttner, Philipp Weißgraeber, Alec van Herwijnen, Philipp L. Rosendahl
Description: The triggering mechanisms of dry snow slab avalanches are subjected to a mixed-mode loading scenario driven by different dynamic loading conditions an...
Object ID: ISSW2023_O16.05.pdf
Keywords: dry-snow slab avalanches, fracture toughness, anticrack propagation, mixed-mode loading, weak snow layers
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Title: Unusual Dry Slab Avalanche Releases Involving Dust-on-Snow Layers in Colorado
Date: 2016-10-02
Authors: Zach M. Guy, Jeffrey S. Deems
Description: In recent decades, dust-on-snow events are increasing in both frequency and geographic extent in the Western U.S. Although dust layers have gained a r...
Object ID: ISSW16_O3.03.pdf
Keywords: dust, slab avalanches, metamorphism, forecasting
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Title: Decision-Making and Avalanche Mitigation During a Rapid Onset Wet Slab Avalanche Cycle
Date: 2014-09-29
Authors: Paul Baugher, Karl W. Birkeland
Description: Although all avalanche types are difficult to forecast and mitigate, wet slab avalanches are particularly problematic. The dynamics of wet slabs are p...
Object ID: ISSW14_paper_O1.01.pdf
Keywords: avalanche forecasting, avalanche mitigation, decision-making, risk management, wet slab avalanches
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