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Your search for Subject slope steepnessresulted in 19 records.

Title: A Smartphone Application for Estimating the Critical Slope Angle for Avalanche Release
Date: 2016-10-02
Authors: Ron Simenhois, Karl W. Birkeland, Alec van Herwijnen
Description: Once a weak layer has fractured, slope steepness largely dictates whether or not an avalanche will release. Exceeding the critical slope angle, i.e. a...
Object ID: ISSW16_O17.01.pdf
Keywords:
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Title: Study on the Model to Estimate the Snow Property of the Slope Snowpack
Date: 2016-10-02
Authors: Ryota Sato, Yasushi Kamata, Masaya Shishido
Description: To ensure the safety of train operations for full depth avalanche, it is important to estimate the stability of the slope snow. And then, it is necess...
Object ID: ISSW16_P1.37.pdf
Keywords: stability of the slope snowpack, physical properties, amedas weather data
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Title: The Effect of Slope-Scale Spatial Variability of Slab Characteristics on Propagation Saw Tests
Date: 2016-10-02
Authors: Chris Bilbrey, Jordy Hendrikx, Karl Birkeland, Stuart Challender, J. Andrew Gleason
Description: Understanding propagation in complex, non-uniform terrain is critically important for avalanche forecasting and mitigation. Currently we do not know h...
Object ID: ISSW16_P1.45.pdf
Keywords:
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Title: Measuring Acoustic Emissions in an Avalanche Starting Zone to Monitor Snow Stability
Date: 2013-10-07
Authors: Ingrid Reiweger, Jürg Schweizer
Description: Evaluating snowpack stability still involves time-consuming and labour-intensive manual tests; in dangerous or remote areas performing such tests migh...
Object ID: ISSW13_paper_O2-14.pdf
Keywords: snow avalanche, avalanche release, snow stability evaluation, acoustic emission, precursor
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Title: A Multi-Dimensional Water Transport Model to Reproduce the Preferential Flow in a Snowpack
Date: 2013-10-07
Authors: Hiroyuki Hirashima, Satoru Yamaguchi, Takafumi Katsushima
Description: Modeling of liquid water transport in snowpack is important for the prediction of wet snow avalanches. In this study, a multi-dimensional water transp...
Object ID: ISSW13_paper_O4-06.pdf
Keywords: water transport in the snowpack, numerical model, preferential flow, slope effect
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Title: The Systematic Snow Cover Diagnosis: A Process-Based Approach for Avalanche Danger Assessment
Date: 2013-10-07
Authors: Georg Kronthaler, Christoph Mitterer, Bernd Zenke, Michael Lehning
Description: Recreationists and local avalanche warning services face often the problem of assessing the avalanche danger for a single slope or avalanche path. How...
Object ID: ISSW13_paper_O4-11.pdf
Keywords: slope stability, snow cover test, weak layer
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Title: Mathematical Modeling of Slope Flows Entraining Bottom Material
Date: 2013-10-07
Authors: Eglit M.E, Yakubenko A.E.
Description: Entrainment of bottom material by the slope flows (such as snow avalanches, debris flows and so on) essentially influences on their dynamics, so it s...
Object ID: ISSW13_paper_P2-56.pdf
Keywords: slope flows, entrainment of bottom material
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Title: Small-Scale Meteorological Conditions at an Avalanche Slope
Date: 2013-10-07
Authors: Reinhard Fromm, Friedrich Obleitner, Thomas Gigele
Description: The seasonal development of the Alpine snow cover is mainly influenced by terrain features, surface properties, vegetation and atmospheric processes n...
Object ID: ISSW13_paper_P4-05.pdf
Keywords: micro-meteorology, atmospheric variables, statistical analysis
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Title: The Effect of Spatial Variations of Snowpack Properties on Snow Slope Stability: A Mechanically-Based Statistical Approach
Date: 2013-10-07
Authors: Johan Gaume, Jürg Schweizer, Alec van Herwijnen, Guillaume Chambon, Nicolas Eckert, Mohamed Naaim
Description: The spatial variability of snowpack properties has an important impact on snow slope stability and thus on avalanche formation. Hence, the determinat...
Object ID: ISSW13_paper_P4-07.pdf
Keywords: snow avalanche, avalanche release, slab, weak layer, spatial variability, slope stability
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Title: When To Dig? Thoughts On Estimating Slope Stability
Date: 2010
Authors: Sascha Bellaire, Bruce Jamieson, Jürg Schweizer
Description: Information about the snow cover stability is crucial for avalanche forecasting and for winter backcountry recreation. For a reliable estimation of sn...
Object ID: ISSW_P-020.pdf
Keywords: slope stability, avalanche forecasting, winter backcountry recreation
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Title: Validating the Propagation Saw Test on the Slope Scale
Date: 2009
Authors: Cameron Ross, Bruce Jamieson
Description: Over the past few seasons, the Propagation Saw Test (PST) has gained increasing acceptance in some guiding and highway operations in western North Am...
Object ID: issw-2009-0282-0286.pdf
Keywords: fracture propagation, snowpack stability, propagation saw test, avalanche forecasting
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Title: Dissipation and Most Probable Flow States: The Role of Mechanical Work and Granular Fluctuations in Snow Avalanches
Date: 2006
Authors: Perry Bartelt, Martin Kern, Othmar Buser
Description: There are many simple questions in snow avalanche dynamics that remain unanswered: why do snow avalanches travel so far and appear to have so little f...
Object ID: issw-2006-127.pdf
Keywords: avalanche dynamics
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Title: Associations Between Shear Strength of a Buried Surface Hoar Layer and Stratigraphic, Topographic and Vegetation Characteristics on a “Uniform” Slope
Date: Unknown
Authors: Eric Lutz, Karl W. Birkeland, Martin Schneebeli, Kathy J. Hansen, Kalle Kronholm
Description: Extended Abstract. In this study we quantify 1) changes in spatial and aspatial characteristics of the shear strength of a buried surface hoar layer,...
Object ID: issw-2006-027-028.pdf
Keywords: shear strength, snow stratigraphy, snow microstructure, slope uniformity
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Title: Spatial Variability of Snow Stability on Small Slopes
Date: 2002
Authors: Kalle Kronholm, Jurg Schweizer, Martin Schneebeli
Description: Spatial snowpack variability is thought to strongly influence the fracture initiation and fracture propagation properties of the snowpack, thereby lar...
Object ID: issw-2002-549-554.pdf
Keywords: snow stability, snow stratigraphy, stability tests, avalanche formation, spatial variability
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Title: A Measuring Instrument for the Hardness and the Roughness of the Ski Slope - Correlatlon to the Gliding Properties of Skis - Penetrometer and Profilometer
Date: 2000
Authors: Daniel Buhl, Mathieu Fauve, Martin Schneebeli, Hansueli Rhyner, Walter Ammann
Description: The analysis of the ski slope is crucial for understanding the gliding of skis. Especially in ski racing a detailed knowledge of the parameters of the...
Object ID: issw-2000-409-411.pdf
Keywords: ski slope, hardness, roughness, gliding, skiing
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