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- Title: Recent Observations of Snow Metamorphism and Microstructure
- Date: 2008-09-23
- Authors: E. Greene, M. Schneebeli, K. Elder
- Description: Snowpack stability and avalanche formation depend on the microstructure within a snow layer. These layers form as snow is added to the pack or as meta...
- Object ID: P__8109.pdf
- Keywords: snow, snow metamorphism, snow microstructure, snow properties
- View additional details about Recent Observations of Snow Metamorphism and Microstructure
- Title: Quantifying Changes in Weak Layer Microstructure Associated with Loading Events
- Date: 2008-09-23
- Authors: Eric Lutz, Karl Birkeland, Hans-Peter Marshall, Kathy Hansen
- Description: Researchers and practitioners have long utilized a variety of penetrometers to investigate the snowpack. Identifying definitive relationships between ...
- Object ID: P__8179.pdf
- Keywords: microstructure, stability, loading event, snow micropen
- View additional details about Quantifying Changes in Weak Layer Microstructure Associated with Loading Events
- Title: Laboratory Simulations of Radiation-Recrystallization Events in Southwest Montana
- Date: 2008-09-23
- Authors: Andrew E. Slaughter, Patrick J. Staron, Edward E. Adams, Doug McCabe, Henry Munter, Doug Catherine, Irene Henninger, Mike Cooperstein, Tom Leonard
- Description: During the winter seasons of 2006/2007 and 2007/2008, Montana State University researchers collaborated with the Yellowstone Club Ski Patrol to invest...
- Object ID: P__8057.pdf
- Keywords: near-surface facets, radiation recrystallization, heat-transfer model, snow micropen
- View additional details about Laboratory Simulations of Radiation-Recrystallization Events in Southwest Montana
- Title: Near-Surface Faceting on South Aspects in Southwest Montana
- Date: 2008-09-23
- Authors: D. McCabe, H. Munter, D. Catherine, I. Henninger, M. Cooperstein, T. Leonard, E.E. Adams, A.E. Slaughter, P.J. Staron
- Description: In the winter seasons of 2006/2007 and 2007/2008, Montana State University researchers set up weather stations on north and south aspects to gather de...
- Object ID: P__8110.pdf
- Keywords: near-surface facets, radiation recrystallization, temperature gradients, southerly aspects, avalanche forecasting
- View additional details about Near-Surface Faceting on South Aspects in Southwest Montana
- Title: Slope Scale Spatial Variability Across Time and Space: Comparison of Results from Continental and Maritime Climates
- Date: 2008-09-23
- Authors: Jordy Hendrikx, Karl Birkeland
- Description: Understanding the spatial variability of the snowpack is a crucial step to improve accuracy in field data collection and avalanche forecasting. While ...
- Object ID: P__8036.pdf
- Keywords: spatial variability, temporal variability, fracture initiation, fracture propagation
- View additional details about Slope Scale Spatial Variability Across Time and Space: Comparison of Results from Continental and Maritime Climates
- Title: Wet Slab Instability at the Arapahoe Basin Ski Area
- Date: 2008-09-23
- Authors: Hal Hartman, Leif Eric Borgeson
- Description: Empirical evidence gathered at the onset of ablation on a ski slope where a wet slab avalanche claimed the life of a skier indicates a chance of snowp...
- Object ID: P__8021.pdf
- Keywords: wet slab instability, volumetric water content
- View additional details about Wet Slab Instability at the Arapahoe Basin Ski Area
- Title: Observation and Modeling of Buried Melt-Freeze Crust
- Date: 2008-09-23
- Authors: Michael Smith, Bruce Jamieson, Charles Fierz
- Description: Melt-freeze crusts often occur as a result of wet snow, rain or strong insolation. Past observations have revealed the formation of weak layers at the...
- Object ID: P__8172.pdf
- Keywords: avalanche forecasting, snow stratigraphy, snowpack modeling
- View additional details about Observation and Modeling of Buried Melt-Freeze Crust
- Title: Water Movement and Capillary Barriers in a Stratified and Inclined Snowpack
- Date: 2008-09-23
- Authors: Erich Peitzsch, Karl W. Birkeland, Kathy J. Hansen
- Description: Most avalanche fatalities occur due to dry slab avalanches. However, wet snow avalanches are also dangerous and can be particularly difficult to predi...
- Object ID: P__8087.pdf
- Keywords:
- View additional details about Water Movement and Capillary Barriers in a Stratified and Inclined Snowpack
- Title: Deriving Spatial Stability Variations from Penetration Resistance Measurements
- Date: 2008-09-23
- Authors: Sascha Bellaire, Jürg Schweizer
- Description: Spatial variations of weak layer and slab properties affect snow slope stability. To quantify spatial variability at the slope scale, penetration resi...
- Object ID: P__8175.pdf
- Keywords: snow mechanical properties, snow stability, avalanche formation, spatial variability, geostatistics
- View additional details about Deriving Spatial Stability Variations from Penetration Resistance Measurements
- Title: Predicting the Fracture Character of Potential Weak Layers in Penetrometer Signals
- Date: 2008-09-23
- Authors: James Floyer, Bruce Jamieson
- Description: Digital penetrometers have been shown to provide reliable assessments of snow hardness with depth; however, extracting useful information from the sig...
- Object ID: P__8222.pdf
- Keywords: snow penetrometer, fracture character, snowpack stratigraphy, avalanche forecasting, snowpack properties, snow hardness
- View additional details about Predicting the Fracture Character of Potential Weak Layers in Penetrometer Signals
- Title: Modeling Short Wave Radiation Penetration into the Snowpack: What Can We Learn From Near-Surface Snow Temperatures?
- Date: 2008-09-23
- Authors: Charles Fierz, Laura A. Bakermans, J. Bruce Jamieson, Michael Lehning
- Description: Short wave radiation penetrates the top portion of the snowpack and is responsible for both subsurface heating and fast changing temperature gradients...
- Object ID: P__8223.pdf
- Keywords: snow-cover modeling, short wave radiation, near-surface snow temperature
- View additional details about Modeling Short Wave Radiation Penetration into the Snowpack: What Can We Learn From Near-Surface Snow Temperatures?
- Title: Comparing Fracture Propagation Tests and Relating Test Results to Snowpack Characteristics
- Date: 2008-09-26
- Authors: Cameron Ross, Bruce Jamieson
- Description: The Propagation Saw Test (PST) and the Extended Column Test (ECT) are two recently and independently developed field tests that indicate the propensit...
- Object ID: P__8177.pdf
- Keywords: fracture propagation, snowpack stability test, extended column test, propagation saw test, avalanche forecasting, snowpack properties
- View additional details about Comparing Fracture Propagation Tests and Relating Test Results to Snowpack Characteristics
- Title: Application of the Field Stability Evaluation Methods to the Snow Conditions of the Eastern Pyrenees
- Date: 2008-09-26
- Authors: Ivan Moner, Jordi Gavaldà , Montserrat Bacardit, Carles Garcia, Glòria MartÃ
- Description: Field methods for stability evaluation were recently developed and validated on the basis of skiertriggered slopes data from Switzerland and North Ame...
- Object ID: P__8164.pdf
- Keywords: slab avalanche, snow stability, stability evaluation, skier triggering, pyrenees
- View additional details about Application of the Field Stability Evaluation Methods to the Snow Conditions of the Eastern Pyrenees
- Title: Comparison of Different Snow Stability Tests Including the Extended Column Test
- Date: 2008-09-26
- Authors: Kurt Winkler, Jürg Schweizer
- Description: Several tests have been proposed in the past for evaluating snow stability. However, their performance is presently unclear since few comparative stud...
- Object ID: P__8124.pdf
- Keywords: snow cover stability, snow stability evaluation, stability test, avalanche forecasting
- View additional details about Comparison of Different Snow Stability Tests Including the Extended Column Test
- Title: The Extended Column Test: Test Effectiveness, Spatial Variability, and Comparison with the Propagation Saw Test
- Date: 2008-09-26
- Authors: Karl W. Birkeland, Ron Simenhois
- Description: The Extended Column Test (ECT) is a new stability test that aims to assess the fracture propagation potential across a 90 cm wide isolated column. Ini...
- Object ID: P__8190.pdf
- Keywords: ect, extended column test, fracture propagation, stability evaluation, avalanches
- View additional details about The Extended Column Test: Test Effectiveness, Spatial Variability, and Comparison with the Propagation Saw Test
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