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Your search for Subject snowcover stabilityresulted in 164 records.

Title: Evolving Shear Strength, Stability and Snowpack Properties in Storm Snow
Date: 2006
Authors: Catherine Brown, Bruce Jamieson
Description: There is a lack of measurements on the rapidly changing mechanical and physical properties of non-persistent instabilities in storm snow. Given the i...
Object ID: issw-2006-015-021.pdf
Keywords: non-persistent weak layers, storm snow, shear strength, stability indices
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Title: Uncertainties in Assessing the Stability of Fractured Slopes
Date: 2006
Authors: Karl W. Birkeland, Scott Savage, Simon Trautman, Kalle Kronholm, Spencer Logan, Jürg Schweizer
Description: While doing avalanche mitigation work or traveling in the backcountry, occasionally a sizable part of a slope fractures without triggering an avalanc...
Object ID: issw-2006-029-037.pdf
Keywords: snow stability, fracture, whumpf, avalanche release, avalanche forecasting
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Title: Spatial Clusters of Slab Stability and Snowpack Properties Within Avalanche Start Zones
Date: 2006
Authors: Cam Campbell, Bruce Jamieson
Description: During the winters of 2000-01 and 2001-02, 36 spatial arrays of closely spaced smallcolumn-type stability tests were performed, each in a day. Each ar...
Object ID: issw-2006-044-053.pdf
Keywords: spatial variability, snow stability, avalanche start zones, clustering, snowpack stratigraphy, avalanche forecasting
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Title: The Extended Column Test: A Field Test for Fracture Initiation and Propagation
Date: 2006
Authors: Ron Simenhois, Karl Birkeland
Description: For dry slab avalanches, fractures initiate and propagate in a weak layer or along an interface. Current field tests like compression or stuffblock t...
Object ID: issw-2006-079-085.pdf
Keywords: stability test, avalanche forecasting, stability assessment, fracture propagation
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Title: Evaluating a Prototype Field Test for Weak Layer Fracture and Failure Propagation
Date: 2006
Authors: Dave Gauthier, Bruce Jamieson
Description: Researchers and practitioners currently lack a quantitative field test that indicates the propensity of a given slab and weak layer combination to pro...
Object ID: issw-2006-107-116.pdf
Keywords: fracture propagation, field test, extended column, snowpack stability, avalanche forecasting
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Title: Improvements in the Application of the Snowmicropen to Derive Stability Information for Avalanche Forecasting
Date: 2006
Authors: Christine Pielmeier, Jürg Schweizer, Hans Peter Marshall
Description: Local snowpack measurements and local stability tests are currently the basis for the assessment of snowpack stability in most avalanche warning opera...
Object ID: issw-2006-187-192.pdf
Keywords: snowpack stability, avalanche forecasting, snow profile, mechanical properties, snow hardness
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Title: Snow Slope Stability Evaluation Using Concepts of Fracture Mechanics
Date: 2006
Authors: Jürg Schweizer, Ian McCammon, J. Bruce Jamieson
Description: Dry snow slab avalanche release is generally believed to proceed in three stages: 1) initiation of a local failure, 2) widespread propagation of that...
Object ID: issw-2006-211-218.pdf
Keywords: snow stability evaluation, avalanche formation, avalanche release, skier triggering, stability test, fracture
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Title: Spatial Variability of Some Snow Characteristics on a Slope and Interpretation of Measurements for Snow Stability Assessment
Date: 2006
Authors: Pavel Chernous, Yuri Fedorenko, Nikolay Barashev
Description: Snow thickness, density, shear strength and temperature are analyzed. Spatial distributions of the snow characteristics are considered as random field...
Object ID: issw-2006-339-348.pdf
Keywords: snow characteristics spatial variability, accuracy estimations, measurements' interpretation, simulation
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Title: Assessment of Spatial Correlation Structure of Penetration Resistance of Snow Layers Using Random Field Theory and its Implication for Snow Stability
Date: 2006
Authors: P.K. Srivastava, A. Chaudhary, P.K. Satyawali
Description: Avalanche researchers have long recognized that stability information from specific snow pits may or may not represent the stability conditions on th...
Object ID: issw-2006-349-358.pdf
Keywords: spatial correlation structure, snowmicropen, cellular automata
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Title: Spatial Variability – So What?
Date: 2006
Authors: Jürg Schweizer, Kalle Kronholm, J. Bruce Jamieson, Karl W. Birkeland
Description: Since the landmark papers of Conway and Abrahamson many studies have tried to quantify spatial variability. Many different methods have been used and ...
Object ID: issw-2006-365-376.pdf
Keywords: snow mechanical properties, snow slope stability evaluation, avalanche formation, avalanche forecasting, spatial variability, numerical modeling
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Title: Measuring Near-Surface Snow Temperature Changes Over Terrain
Date: 2006
Authors: Laura Bakermans, Bruce Jamieson
Description: The energy balance at the snow surface results in substantial diurnal temperature fluctuations within the top portion of the snowpack. These temperat...
Object ID: issw-2006-377-386.pdf
Keywords: daytime warming, near-surface temperature change, snow surface energy balance, radiation, seasonal snowcover
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Title: Rough Correlations of Common Snowpack Stability Tests
Date: 2006
Authors: Mark Moore
Description: Because each different layer of snow can respond to applied stress in a variety of ways, and because the mechanical properties of snow layers often ch...
Object ID: issw-2006-428-434.pdf
Keywords: stability test, snowpack strength, avalanche danger, snowpack structure, snow profile, shear test
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Title: Can Stability Tests Help Recreationists Assess the Local Avalanche Danger?
Date: 2006
Authors: Bruce Jamieson, Jürg Schweizer, Pascal Haegeli, Cam Campbell
Description: In western Canada, various agencies issue public avalanche bulletins three to seven times per week for regions which range from less than 500 km2 to a...
Object ID: issw-2006-468-477.pdf
Keywords: snowpack stability tests, avalanche forecasting, avalanche danger, spatial scale
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Title: Minimizing “False-Stable” Stability Test Results: Why Digging More Snowpits is a Good Idea
Date: 2006
Authors: Karl W. Birkeland, Doug Chabot
Description: The worst nightmare for an avalanche worker is to assess an unstable slope as stable since the consequence of such an assessment is that you, your cli...
Object ID: issw-2006-498-504.pdf
Keywords: avalanche forecasting, stability assessment, stability tests, false-stable conditions
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Title: Evaluating the AK Block, A Sized Non-Cutback Snow Test
Date: 2006
Authors: Bill Glude, Randall Mullen
Description: The AK Block is a snow test block sized to the tester’s weight and their ski or snowboard contact length, dug out on three sides, and loaded mu...
Object ID: issw-2006-630-639.pdf
Keywords: avalanche, snow stability tests, block tests, sized-block, ak block, rutschblock
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