Your search for Subject Snow Instabilityresulted in 708 records.
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- Title: Snow Cover Evolution in Complex Alpine Terrain: Measurements and Modeling Including Snow Drift Effects
- Date: 1998
- Authors: Charles Fierz, Peter Gauer
- Description: In mountainous areas, snowpack evolution, formation of weak snow layers as well as
drifting and blowing snow are key factors in avalanche formation. ...
- Object ID: issw-1998-284-289.pdf
- Keywords: snow cover, snow cover structure, snow drifting, snow cover simulation
- View additional details about Snow Cover Evolution in Complex Alpine Terrain: Measurements and Modeling Including Snow Drift Effects
- Title: The Advanced Digital Snow Sonde
- Date: 1998
- Authors: Osamu Abe, Hiroo Sato, Mitsuharu Chiba, Shizuo Tanasawa
- Description: The advanced digital snow sonde (DSS) having four sensors was designed and tested
in this study. Using the DSS three kinds of snow profiles could be ...
- Object ID: issw-1998-300-304.pdf
- Keywords: snow gages, snow surveys, snow property
- View additional details about The Advanced Digital Snow Sonde
- Title: Measuring Snow Microstructure and Hardness Using a High Resolution Penetrometer
- Date: 1998
- Authors: Martin Schneebeli, Christine Pielmeier, Jerome B. Johnson
- Description: Using a high resolution snow penetrometer we are able to measure snow penetration
resistance and snow meso- and microstructure. We can show that the ...
- Object ID: issw-1998-305-311.pdf
- Keywords: snow hardness, metamorphism, snow strength, snow stratigraphy, texture
- View additional details about Measuring Snow Microstructure and Hardness Using a High Resolution Penetrometer
- Title: Forecasting Avalanches from Atmospheric Cross-Sections
- Date: 1998
- Authors: Nicholas Logan
- Description: The weather fashions both weak and strong snow layers. The weather forecast and
snowpack data are key ingredients to an accurate avalanche forecast. ...
- Object ID: issw-1998-344-346.pdf
- Keywords: snow drifting, snow precipitation, avalanche forecasting
- View additional details about Forecasting Avalanches from Atmospheric Cross-Sections
- 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
- View additional details about Alternative Risk Management; Fat Man, Utile Boy and the Winch Roller
- 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
- View additional details about Snow Stability Patterns in the Bridger Range, Montana
- Title: On-Site Interpretation - A Tool for Increasing Avalanche Awareness
- Date: 1998
- Authors: Roland V. Emetaz
- Description: On-site interpretation is recognized as a useful tool for increasing people's awareness of environmental processes. Interpretation of the 1995 avalanc...
- Object ID: issw-1998-381-386.pdf
- Keywords: avalanche awareness, interpretation, avalanche interpretive writing, avalanche education
- View additional details about On-Site Interpretation - A Tool for Increasing Avalanche Awareness
- Title: How Has a Hexagonal Snow Crystal Been Arranged on Science and Design?
- Date: 1998
- Authors: Kaoru. Izumi, Yasuaki Nohguchi
- Description: When a hexagonal snow crystal is drawn or designed, the arrangement of it is divided
broadly into two types; horizontal or vertical arrangement. The ...
- Object ID: issw-1998-405-409.pdf
- Keywords: snow crystal, arrangement, w a bentley, snow culture
- View additional details about How Has a Hexagonal Snow Crystal Been Arranged on Science and Design?
- 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
- View additional details about Why Measure New Snow Density - Precipitation and Air Temperature?
- 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
- View additional details about Snow Stability and Its Variation in Course of Time
- Title: Slab Avalanches and New Snow
- Date: 1998
- Authors: Alain Duclos
- Description: A three-year study based on observations carried out both on the field and inside the laboratory has enabled us to describe accurately 22 slab avalanc...
- Object ID: issw-1998-478-488.pdf
- Keywords: avalanche forecasting, snow cover stability, snow stratigraphy
- View additional details about Slab Avalanches and New Snow
- 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
- View additional details about Contribution on the Role of Deficit Zones or Imperfections in Dry Snow Slab Avalanche Release
- Title: Snowpack Temperature and Decreases in Tensile Strength
- Date: 1998
- Authors: R. S. Rosso, D. Howlett, S. Calhoun
- Description: In an effort to understand post-control and other natural avalanches that occur shortly after rain begins or the sun's rays start to warm the starting...
- Object ID: issw-1998-508-513.pdf
- Keywords: rain-on-snow, snow temperature, snow strength
- View additional details about Snowpack Temperature and Decreases in Tensile Strength
- 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
- View additional details about Surface Warming of a Dry Snowpack Increases Skier-Induced Stress and Strain Magnitudes in Deeper Weak Layers
- 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
- View additional details about Snow Densification During Rain
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