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Your search for Subject Snow Instabilityresulted in 708 records.

Title: Positioning of Avalanche Protection Measures Using Snow Depth Mapping Via Terrestrial Laser Scanning
Date: 2012
Authors: Alexander Prokop, Christina M. Delaney
Description: In recent years snow depth mapping via terrestrial laser scanning has become increasingly popular as a measurement method used for snow and avalanche ...
Object ID: issw-2012-983-988.pdf
Keywords: snow depth, avalanche protection, release area, slopes
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Title: The Effectiveness of Boot Packing for Snowpack Stabilization
Date: 2012
Authors: Matt Wieland, Jordy Hendrikx, Karl W. Birkeland
Description: Depth hoar is a persistent weak layer that is a common instability problem in the snowpack of many areas around the world. Boot packing or compaction ...
Object ID: issw-2012-993-997.pdf
Keywords: hoarfrost, weak layer, boot packing, snow density
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Title: Modeled Snow Cover in Pyrenees Mountains and Cross-Comparisons Between Remote-Sensed and Land-Based Observation Data
Date: 2012
Authors: Yves Durand, Gérald Giraud, Daniel Goetz, Malou Maris, Valentin Payen
Description: Only few studies have already attempted to assess the distribution and magnitude of seasonal snowpack under the varying climate of the Pyrenees. In us...
Object ID: issw-2012-998-1004.pdf
Keywords: snow depth comparisons, modis remote-sensed data, climatology, scm chain
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Title: Examining the Drivers That Control the Spatial Variability of Surface Hoar and Near-Surface Facets
Date: 2012
Authors: Jordy Hendrikx, Tom Leonard, Irene Henninger, Doug McCabe, Ian Hoyer
Description: Surface hoar and near-surface facets, once buried, often produce a persistent weak layer that is a common instability problem in the snow pack in SW M...
Object ID: issw-2012-1005-1010.pdf
Keywords: surface hoar, weak layer, grain form, avalanche forecasting
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Title: What Can Avalanche Burials Hear? Acoustic Characteristics of Snow Packs and Their Relation to Input Sounds
Date: 2012
Authors: Ken-Ichi Sakakibara, Katuhiro Maki, Kimiko Yamakawa, Shigeaki Amano
Description: In this paper, acoustic characteristic of sound insulation of two different snow packs: (1) a natural snow pack; and (2) a compressed snow by stomping...
Object ID: issw-2012-1011-1016.pdf
Keywords: acoustics, snow pack, ski poles, snow burial
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Title: Laser Induced Fluorescence - Particle Tracking Velocimetry (LIF-PTV) Measurements of Water Flow Through Snow
Date: 2012
Authors: B. Walter, S. Horender, N. Wever, C. Gromke, M. Lehning
Description: LIF-PTV-measurements of the micro-scale water flow through the pore space of a wet snow sample driven by either gravitational or capillary forces are ...
Object ID: issw-2012-1023-1027.pdf
Keywords: wet snow avalanches, glide avalanche, pore space
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Title: A Modified Extended Column Test to Reduce Slab Degradation: Preliminary Results
Date: 2012
Authors: Maggi Kraft, Matt Wieland, Jordy Hendrikx
Description: Snow profiles and stability tests are commonly used to evaluate the strength of the snowpack. While conducting a stability test such as the extended ...
Object ID: issw-2012-1028-1032.pdf
Keywords: slabs, weak layer, snowpack stability test,
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Title: The Relationship Between Preferential Flow in Snow Cover and Weather Conditions
Date: 2012
Authors: Satoru Yamaguchi, Hiroyuki Hirashima, Atsushi Sato, Satoru Adachi
Description: The accurate description of water movement through snow cover is essential for improving the forecast of full depth avalanches; this forecast is close...
Object ID: issw-2012-1054-1058.pdf
Keywords: full depth avalanche, liquid water, snow cover
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Title: Testing and Implementing a Wind Redistribution Model in Mountainous Terrain Using a High-Resolution Lidar-Derived DEM
Date: 2012
Authors: Andrew Hedrick, Hans-Peter Marshall, Scott Havens, Adam Winstral, Achim Heilig
Description: Spatial variability in the seasonal snowpack is affected by many factors, but wind redistribution, in addition to snowfall rate and sublimation, are ...
Object ID: issw-2012-1059-1064.pdf
Keywords: snowpacke, spatial variability, terrain,
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Title: Changes in Stability Test Usage by Snowpilot Users
Date: 2012
Authors: Karl W. Birkeland, Doug Chabot
Description: Professionals and recreationists utilize stability tests to assess snow stability. Our goal is to determine whether or not people are changing the typ...
Object ID: issw-2012-1065-1068.pdf
Keywords: snow pit, snow stability, avalanche fractures
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Title: A Phase-Tracking Snow Micro-Structure Model
Date: 2012
Authors: Andrew E. Slaughter, Nicholas Zabaras
Description: Depending on the thermal conditions, snow metamorphoses via two processes: kinetic or equilibrium metamorphism. Kinetic growth occurs due to temperatu...
Object ID: issw-2012-395-397.pdf
Keywords: snow metamorphism, kinetic growth, thermistors
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Title: Stopping Behavior of Snow Avalanches in Forests
Date: 2012
Authors: T. Feistl, P. Bebi, Y. B ̈uhler, M. Christen, M. Teich, P. Bartelt
Description: A longstanding problem in avalanche science is to understand how forests stop small and medium sized avalanches. Avalanche dynamics models have tradit...
Object ID: issw-2012-420-426.pdf
Keywords: forests, avalanche science, runout, dynamics
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Title: Modeling and Visualizing Avalanche Flow Using Genetic Algorithms and OpenGL
Date: 2012
Authors: Donna Delparte, Michael Peterson, Jahrain Jackson, John Perkins
Description: Simulating snow avalanche flow with numerical models and digital elevation model (DEM) data has allowed snow scientists to better understand flow mov...
Object ID: issw-2012-439-443.pdf
Keywords: snow simulation, terrain, genetic algorithm, runout
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Title: Objective Comparison of Two Numerical Avalanche Dynamics Models
Date: 2012
Authors: Jan-Thomas Fischer, Walter Steinkogler, Matthias Granig, Marc Christen
Description: Numerical avalanche dynamics models are nowadays used by engineers all around the world as an integral part in risk assessment studies. Especially in ...
Object ID: issw-2012-444-449.pdf
Keywords: dynamics, risk, avalanche models, hazard zoning,
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Title: Spatial Variabiity of Snowpack on Small Wind Effected Slopes, Central Svalbard
Date: 2012
Authors: Wesley R. Farnsworth, Markus Eckerstorfer, Hanne H. Christiansen
Description: Spatial variability studies of snowpack stability have predominantly been conducted on sheltered uniform slopes despite mountains and avalanche starti...
Object ID: issw-2012-467-472.pdf
Keywords: spatial variability, snowpack, slopes, artificial trigger points, weak layer
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