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Your search for Keyword "slab"resulted in 154 records.

Title: DEEP PERSISTENT SLAB AVALANCHES DURING THE 2019-2020 SEASON IN THE BRIDGER RANGE, MONTANA, USA: METEOROLOGICAL METRICS, ATMOSPHERIC PATTERNS, AND FORECASTING LESSONS
Date: 2023-10-08
Authors: Alex Marienthal, Andrew Schauer
Description: During the 2019-2020 winter there was widespread deep persistent slab avalanche activity in Southwest Montana, with major avalanche cycles in multiple...
Object ID: ISSW2023_P1.22.pdf
Keywords: deep slab, meteorology, synoptic climatology
View additional details about DEEP PERSISTENT SLAB AVALANCHES DURING THE 2019-2020 SEASON IN THE BRIDGER RANGE, MONTANA, USA: METEOROLOGICAL METRICS, ATMOSPHERIC PATTERNS, AND FORECASTING LESSONS

Title: A HIGH-LEVEL METEOROLOGICAL ANALYSIS OF THE ORIGINS OF A DEEP PERSISTENT SLAB OVER BRITISH COLUMBIA; NOVEMBER – DECEMBER 2022
Date: 2023-10-08
Authors: Uwe Gramann
Description: During fall and early winter of 2022, a deep persistent slab (DPS) formed within the snowpack of central and southern British Columbia that caused mul...
Object ID: ISSW2023_P1.54.pdf
Keywords: deep persistent slab; weather pattern, enso, la niña
View additional details about A HIGH-LEVEL METEOROLOGICAL ANALYSIS OF THE ORIGINS OF A DEEP PERSISTENT SLAB OVER BRITISH COLUMBIA; NOVEMBER – DECEMBER 2022

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
View additional details about WHAT COULD STOP DYNAMIC CRACK PROPAGATION IN DRY SNOW SLAB AVALANCHES?

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: CRUSTS AND FACETS: A CASE STUDY OF A SEASON WITH DEEP ISSUES NEAR GIRDWOOD, AK
Date: 2023-10-08
Authors: Andrew Schauer, Aleph Johnston-Bloom, Adam Smith, Matt McKee, Jim Kennedy
Description: During the 2021-22 winter season, the snowpack in the southwest Chugach and northeast Kenai mountains near Girdwood, Alaska, was characterized by two ...
Object ID: ISSW2023_O7.04.pdf
Keywords: deep slab, crust, persistent weak layer, infrastructure, headache
View additional details about CRUSTS AND FACETS: A CASE STUDY OF A SEASON WITH DEEP ISSUES NEAR GIRDWOOD, AK

Title: HISTORIC WET SLAB AVALANCHE IN POST SEASON AT YELLOWSTONE CLUB: TIMING, RESPONSE, ANALYSIS, AND IMPLICATIONS
Date: 2023-10-08
Authors: Doug McCabe
Description: In May of 2020, a very large, natural wet slab avalanche occurred in-bounds at the Yellowstone Club Ski Area after the ski area had ceased operations ...
Object ID: ISSW2023_P2.18.pdf
Keywords: wet slab avalanche, avalanche forecasting, ski area operations.
View additional details about HISTORIC WET SLAB AVALANCHE IN POST SEASON AT YELLOWSTONE CLUB: TIMING, RESPONSE, ANALYSIS, AND IMPLICATIONS

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: SLOPE SCALE ESTIMATES OF CRACK PROPAGATION SPEEDS FROM AVALANCHE VIDEOS
Date: 2023-10-08
Authors: Ron Simenhois, Karl W. Birkeland, Johan Gaume, Alec van Herwijnen, Bastian Bergfeld, Bertil Trottet, Ethan Greene
Description: Dry-snow slab avalanches release due to crack propagation in a weak snow layer under a cohesive snow slab. Crack propagation speeds along the weak la...
Object ID: ISSW2023_O9.01.pdf
Keywords: avalanche, slab, weak layer, crack, speed, video
View additional details about SLOPE SCALE ESTIMATES OF CRACK PROPAGATION SPEEDS FROM AVALANCHE VIDEOS

Title: UNDERSTANDING METEOROLOGICAL CONTROLS ON WIND SLAB PROPERTIES
Date: 2023-10-08
Authors: Nathalie de Leeuw, Karl Birkeland, Jordy Hendrikx
Description: Wind-deposited snow has a broad range of possible physical and mechanical properties. The properties of a wind slab layer can vary greatly over short ...
Object ID: ISSW2023_O11.04.pdf
Keywords: wind slab, wind transport, meteorological variables
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Title: TERRAIN SELECTION TACTICS FOR HELICOPTER SKIING - MANAGING AVALANCHE RISK DURING THE 2022-23 SEASON
Date: 2023-10-08
Authors: Scott Thumlert, Criag McGee, Carl Trescher
Description: Managing snow avalanche risk during guided helicopter skiing operations is critical for guest and worker safety. The 2022-23 winter snowpack in Britis...
Object ID: ISSW2023_O14.04.pdf
Keywords: guided helicopter skiing, terrain selection tactics, avalanche risk management, deep persistent slab avalanche problem.
View additional details about TERRAIN SELECTION TACTICS FOR HELICOPTER SKIING - MANAGING AVALANCHE RISK DURING THE 2022-23 SEASON

Title: NEW PERSPECTIVE ON DRIFTING SNOW SLAB AVALANCHE
Date: 2023-10-08
Authors: Yusuke Harada, Ryuzo Wakabayashi, Kengo Moriyama
Description: We introduce the idea that the top of the snowpack on a slope composed of wind-broken precipitation particles by creep and saltation of blowing snow (...
Object ID: ISSW2023_O16.03.pdf
Keywords: drifting snow, side-loading, slab avalanche, densification of snowpack
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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
View additional details about A FIELD TEST FOR THE MIXED-MODE FRACTURE TOUGHNESS OF WEAK LAYERS

Title: SNOWPACK CHARACTERISTICS AT TRIGGERING LOCATIONS
Date: 2023-10-08
Authors: Ron Simenhois, Karl W. Birkeland, Jason Konigsberg, Doug Chabot, Ethan Greene
Description: Travelers trigger dry slab avalanches by initiating a crack within a weak layer under a cohesive slab. Understanding the snowpack characteristics at t...
Object ID: ISSW2023_O16.06.pdf
Keywords: trigger points, stable snowpack, slab, weak layer, machine learning
View additional details about SNOWPACK CHARACTERISTICS AT TRIGGERING LOCATIONS

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: SUPERSHEAR CRACK PROPAGATION IN SNOW SLAB AVALANCHE RELEASE: NEW INSIGHTS FROM NUMERICAL SIMULATIONS AND FIELD MEASUREMENTS
Date: 2023-10-08
Authors: Grégoire Bobillier, Bertil Trottet, Bastian Bergfeld, Ron Simenhois, Alec van Herwijnen, Jürg Schweizer, Johan Gaume
Description: The release process of dry-snow slab avalanches begins with a localized failure within a porous, weak snow layer that lies beneath a cohesive slab. Su...
Object ID: ISSW2023_O2.01.pdf
Keywords: supershear crack propagation, numerical modeling, dry-snow slab avalanche release
View additional details about SUPERSHEAR CRACK PROPAGATION IN SNOW SLAB AVALANCHE RELEASE: NEW INSIGHTS FROM NUMERICAL SIMULATIONS AND FIELD MEASUREMENTS