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Your search for Keyword "release"resulted in 124 records.

Title: CHARACTERISTICS OF INBOUNDS AVALANCHE FATALITIES AT UNITED STATES SKI AREAS
Date: 2023-10-08
Authors: Paul Baugher, Scott Savage, Karl W. Birkeland
Description: Inbounds avalanche fatalities are both tragic and rare. Largely due to the diligent mitigation efforts of avalanche programs, the risk of a skier or s...
Object ID: ISSW2023_O14.05.pdf
Keywords: inbounds avalanches, post mitigation release, ski area risk management, avalanche mitigation, ski area avalanche fatalities, ski area litigation
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Title: Linking modelled potential release areas with avalanche dynamic simulations: an automated approach for large-scale avalanche hazard mapping
Date: 2018-10-07
Authors: Yves Bühler, Daniel von Rickenbach, Marc Christen, Stefan Margreth, Lukas Stoffel, Andreas Stoffel, Roderick Kühne
Description: Snow avalanches are a major threat for people and infrastructure in alpine regions. In Switzerland and other countries in the Alps, long term experien...
Object ID: ISSW2018_P08.22.pdf
Keywords: large scale hazard mapping, avalanche engineering, digital elevation model, release area, avalanche mitigation
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Title: Anti-crack nucleation in snowpacks without assuming initial defects: modeling dry snow slab avalanches
Date: 2018-10-07
Authors: Philipp L. Rosendahl, Vera Lübke, Philipp Weißgraeber
Description: To improve modeling of slab avalanche release we propose a new mechanical snowpack model and a novel criterion for anticrack nucleation. The model all...
Object ID: ISSW2018_O10.6.pdf
Keywords: slab avalanche release, fracture mechanics, predictive modeling, snowpack model
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Title: Meteorological triggers for major avalanches: a case study with two different conditions of extreme weather in the Hohe Tauern Range, Salzburg, Austria
Date: 2018-10-07
Authors: Michael Butschek, Bernhard Niedermoser
Description: Extraordinary spontaneous avalanche activity was observed in spring 2015 and 2017 in the state of Salzburg, Austria. While the preconditions in the sn...
Object ID: ISSW2018_P10.6.pdf
Keywords: meteorology, triggers, avalanche, spontaneous release, persistent weak layer
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Title: Prediction of snow failure: mission impossible?
Date: 2018-10-07
Authors: Achille Capelli, Ingrid Reiweger, Jürg Schweizer
Description: Slab avalanches are caused by a crack forming and propagating in a weak layer within the snow cover, which eventually causes the detachment of the ove...
Object ID: ISSW2018_P10.11.pdf
Keywords: snow failure, avalanche release, precursor, acoustic emission, fiber bundle model
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Title: Investigation of the interplay between shear failure and normal collapse of weak layers using microstructure-based mechanical simulations
Date: 2018-10-07
Authors: Tijan Mede, Guillaume Chambon, Pascal Hagenmuller, François Nicot
Description: Weak layers of snow are thin layers of low density and cohesion that consist of a complex network of sintered ice grains. These layers are very fragil...
Object ID: ISSW2018_P10.36.pdf
Keywords: weak snow layer failure, normal collapse in shear, slab avalanche release
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Title: How many start-zones capable of producing an avalanche large enough to bury or kill a skier do heli-ski guides encounter in a day?
Date: 2018-10-07
Authors: Eirik Sharp, Pascal Haegeli, Mike Welch
Description: Snow avalanches are the greatest risk threatening commercial heli-skiing groups. Guides manage the risk from avalanches by selecting terrain with a lo...
Object ID: ISSW2018_P19.1.pdf
Keywords: gps tracking, release areas modeling, terrain selection
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Title: Measuring the Mechanical Properties of Snow Relevant For Dry-Snow Slab Avalanche Release Using Particle Tracking Velocimetry
Date: 2016-10-02
Authors: Alec van Herwijnen, Ned Bair, Karl Birkeland, Ben Reuter, Ron Simenhois, Bruce Jamieson, Jürg Schweizer
Description: Particle tracking velocimetry (PTV) is a measurement technique widely used to determine displacement and velocity fields from video recordings. It is ...
Object ID: ISSW16_O17.03.pdf
Keywords: snow mechanical properties, avalanche release, particle tracking velocimetry, snow stability
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Title: Acceleration Processes of Snow Glide Prior to Full-Depth Avalanche Release on Shrub Slopes in the Temperate Heavy-Snow Region of Japan
Date: 2016-10-02
Authors: Katsuhisa Kawashima, Tsutomu Iyobe, Takane Matsumoto
Description: In the temperate heavy-snow region of Japan, most of snow avalanche disaster arise as a consequence of the full-depth glide avalanche in the area with...
Object ID: ISSW16_P1.07.pdf
Keywords: full-depth glide avalanche, snow glide, avalanche release, shrub slope
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Title: Human-Triggered Slab Avalanche Properties From the Catalan Pyrenees
Date: 2016-10-02
Authors: Montse Bacardit, Ivan Moner, Jordi Gavaldà, Glòria Martí, Carles Garcia
Description: During the last three decades in the Catalan Pyrenees (Eastern side of the range), data on avalanche and snowpack characteristics from reported human-...
Object ID: ISSW16_P1.09.pdf
Keywords: slab avalanche, avalanche release, human-triggering, snowpack structure, snowpack stability
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Title: Micromechanical Analysis of Energy Release in Snow Fracture
Date: 2016-10-02
Authors: Anthony M. LeBaron, Daniel A. Miller
Description: Fracture initiation and propagation in snow is paramount to understanding the avalanche process. There is ongoing discussion and debate regarding the ...
Object ID: ISSW16_P1.34.pdf
Keywords: fracture, energy release rate
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Title: Effects of Saharan Dust Outbreaks on the Snow Stability in the Pyrenees
Date: 2016-10-02
Authors: Laetitia Chomette, Montse Bacardit, Jordi Gavaldà, Ivan Moner
Description: Saharan dust outbreaks occur nearly every winter in the Pyrenees. It is well established that dust layers on the top of the snowpack reduce the snow a...
Object ID: ISSW16_P3.02.pdf
Keywords: snowpack structure, variability and metamorphism; avalanche formation, release and dynamics
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Title: Characteristics of Avalanche Release and an Approach of Avalanche Forecasting System Using SNOWPACK Model in the Tianshan Mountains, China
Date: 2016-10-02
Authors: Osamu Abe, Lanhai Li, Lei Bai, Jiansheng Hao, Hiroyuki Hirashima, Junrong Xu
Description: We summarized the characteristics of avalanche releases in the Tianshan Mountains of western China based on observations of snow cover and avalanche o...
Object ID: ISSW16_P4.17.pdf
Keywords: avalanche release, forecasting system, snowpack model, tianshan mountains
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Title: Avalanche Release 101
Date: 2016-10-02
Authors: Jürg Schweizer, Benjamin Reuter, Alec van Herwijnen, Johan Gaume
Description: Our understanding of dry-snow slab avalanche release improved over the last decade – not the least by consistently following a fracture mechani...
Object ID: ISSW16_O1.01.pdf
Keywords: snow failure, failure initiation, crack propagation, avalanche formation, avalanche release, fracture mechanics
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Title: Gravity Storm: A Case Study of the March 6, 2012 Avalanche Events at Sunshine Village, Banff
Date: 2014-09-29
Authors: Brendan Martland
Description: This paper introduces the avalanche control program at Sunshine Village Ski Resort and touches on a section of the Banff National Park Road Control pr...
Object ID: ISSW14_paper_O4.04.pdf
Keywords: public forecasting; human factors; avalanche risk management; post-control release; deep persistent weak layer.
View additional details about Gravity Storm: A Case Study of the March 6, 2012 Avalanche Events at Sunshine Village, Banff