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Your search for Subject stability (propagation tests)resulted in 184 records.

Title: Alternative Risk Management; Fat Man, Utile Boy and the Winch Roller
Date: 1998
Authors: Craig Sterbenz
Description: "Slope compaction and deep slab instability; alternative avalanche risk management: In recent years, ski area expansion into 'extreme' avalanche terr...
Object ID: issw-1998-348-351.pdf
Keywords: snow compaction, snow cover stability, avalanche counter measures, snow vehicles
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Title: Snow Stability Patterns in the Bridger Range, Montana
Date: 1998
Authors: Karl W. Birkeland
Description: Though avalanche workers and scientists recognize that distinct patterns of snow stability exist in mountainous terrain, no field-based research has b...
Object ID: issw-1998-362-367.pdf
Keywords: wind exposure, avalanche forecasters, snow stability
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Title: Why Measure New Snow Density - Precipitation and Air Temperature?
Date: 1998
Authors: H. Conway, C. Wilbour
Description: The evolution of snow slope stability during storms is investigated using simple models to calculate the shear strength of a buried layer (from its de...
Object ID: issw-1998-466-473.pdf
Keywords: storm and avalanche cycles, snow slope stability
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Title: Snow Stability and Its Variation in Course of Time
Date: 1998
Authors: Peter Holler
Description: One of the most important questions in avalanche warning is snowpack stability. A main factor when elaborating avalanche bulletins is the settlement ...
Object ID: issw-1998-474-477.pdf
Keywords: avalanches, snow cover, snow stability
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Title: Contribution on the Role of Deficit Zones or Imperfections in Dry Snow Slab Avalanche Release
Date: 1998
Authors: Jurg Schweizer
Description: Dry snow slab avalanche formation starts with failure in the weak layer underlying the slab. The stress has to locally exceed the strength that strong...
Object ID: issw-1998-489-501.pdf
Keywords: snow mechanics, avalanche mechanics, avalanche release
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Title: Surface Warming of a Dry Snowpack Increases Skier-Induced Stress and Strain Magnitudes in Deeper Weak Layers
Date: 1998
Authors: A. Wilson, J. Schweizer, C.D. Johnston, J.B. Jamieson
Description: Changes in air temperature, and hence snow temperature, influence snow stability for skiers. This paper studies how warming in the top 20 cm of a hard...
Object ID: issw-1998-514-519.pdf
Keywords: snow stability, avalanche triggering, snow thermal effects
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Title: Snow Densification During Rain
Date: 1998
Authors: H.P. Marshall, H. Conway, L.A. Rasmussen
Description: Observations and measurements indicate rain often has a major impact on snow slope stability. Measurements to investigate the effects of wetting of l...
Object ID: issw-1998-520-525.pdf
Keywords: snow, snow compaction, rain on snow
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Title: Warm Storms Associated with Avalanche Hazard in the Sierra Nevada
Date: 1998
Authors: Randall Osterhuber, Richard Kattelmann
Description: Rain-on-snow events occasionally produce avalanches of varying magnitude depending on both snowpack properties and storm characteristics. Under rain-o...
Object ID: issw-1998-526-533.pdf
Keywords: avalanche, avalanche frequency, rain-on-snow, snow stability, wet-snow avalanche
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Title: Effectively Using and Interpreting Stability Tests
Date: 1998
Authors: Ron Johnson, Karl Birkeland
Description: Determining the likelihood of an avalanche occurring on a given slope is a critical decision faced by both avalanche professionals and backcountry ent...
Object ID: issw-1998-562-565.pdf
Keywords: snow stability, stability tests, avalanche forecasting, avalanches
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Title: Tensile Strength and Strength Changes in New Snow Layers
Date: 1998
Authors: Arthur I. Mears
Description: The tensile strength (rupture modulus) of new snow layers was measured at a 3,200m elevation Colorado site during February and March, 1998 to determin...
Object ID: issw-1998-574-576.pdf
Keywords: avalanches, snow mechanics, snow strength
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Title: Avalanche Forecasting With GIS
Date: 1996
Authors: R. Bolognesi, M. Denuelle, L. Dexter
Description: Avalanches depend on snowpack stability as well as terrain conditions. Thus, these two kinds of information are required to perform punctual predictio...
Object ID: issw-1996-011-013.pdf
Keywords: local avalanche forecasting, geographic information systems (gis)
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Title: The Stochastic Model of Snow Cover Stability on Mountain Slopes
Date: 1996
Authors: Pavel A. Chernouss, Yury V. Fedorenko
Description: Three-dimensional deterministic model of thin elastic shell on a rigid underlying surface of arbitrary configuration is used as approach to a snow sla...
Object ID: issw-1996-104-106.pdf
Keywords: avalanche, stochastic model, snowpack stability
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Title: The Compression Test for Snow Stability
Date: 1996
Authors: Bruce Jamieson, Colin Johnston
Description: The compression test is a quick stability test. It involves tapping on a shovel placed on top of a column of snow and noting the failures in weak laye...
Object ID: issw-1996-118-125.pdf
Keywords: snow compression, snow stability, snow strength, snow physical properties, snow stratigraphy
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Title: Experience with Stability Evaluation for a Surface Hoar Layer During Winter 1995-96 at Rogers Pass, British Columbia, Canada
Date: 1996
Authors: Jurg Schweizer, David Skjonsberg, Bruce McMahon
Description: The avalanche control section at Rogers Pass, British Columbia, Canada, is responsible for the avalanche safety within Glacier National Park. This inv...
Object ID: issw-1996-126-128.pdf
Keywords: snow crystals, snow strength, snow cover stability, avalanche forecasting, avalanche control
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Title: Improvements by Measuring Shear Strength of Weak Layers
Date: 1996
Authors: Paul Fohn, Christian Camponovo
Description: Concurrent measurements in situ of the shear strength and strain rate of weak layers or interfaces have not been executed up to now. In order to uncov...
Object ID: issw-1996-158-162.pdf
Keywords: snow slab, weak layers, strain rate, shear strength, measuring procedures
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