Search the International Snow Service Workshops (ISSW) Proceedings Professional Papers and Poster Talks Publications database

Your search for Subject Snow Instabilityresulted in 708 records.

Title: Snow and Ice in Caribou-Poker Creeks Research Watershed, Central Alaska: Date: 1982; Authors: C. W. Slaughter; Description: Seasonal snow and ice study has been conducted in the 104 km2 Caribou-Poker Creeks Research Watershed (Latitude 64Â°30' N) since 1969. Snow accumula...; Object ID: issw-1982-030-031.pdf; Keywords: ice, drifting, aufeis; View additional details about Snow and Ice in Caribou-Poker Creeks Research Watershed, Central Alaska

Title: The Starting Mechanism of Avalanches: Date: 1980; Authors: Andre Roch; Description: In regard to the question of how slab avalanches are triggered, Robert Haefeli gave one of the first explanations. He stated, following the logic of W...; Object ID: issw-1980-001-008.pdf; Keywords: stability, shear frame, slab avalanche, triggered, rupture; View additional details about The Starting Mechanism of Avalanches

Title: Canadian Guidelines for Observations in Avalanche Forecasting: Date: 1980; Authors: G.L. Freer; Description: Internationally, observations for snow stability evaluation and avalanche hazard forecasting have been developed over many years through research and ...; Object ID: issw-1980-009-011.pdf; Keywords: hazard, avalanche safety, avalanche management, skiing; View additional details about Canadian Guidelines for Observations in Avalanche Forecasting

Title: Snow Avalanche Size Classification: Date: 1980; Authors: David M. McClung, Peter A. Schaerer; Description: When avalanche events are reported, it is necessary to include an estimate or measure of their size. If a simple, consistent method of sizing avalanch...; Object ID: issw-1980-012-030.pdf; Keywords: storm cycles, runout, avalanche classification; View additional details about Snow Avalanche Size Classification

Title: Field Tests of Snow Stability: Date: 1980; Authors: Chris J. Stethem, John W. Tweedy, Rossland, B.C.; Description: Snow stability evaluaton is a critical element in avalanche hazard evaluation. The procedure of stability evaluation encompasses an analysis of avalan...; Object ID: issw-1980-052-061.pdf; Keywords: snow stability, hazard, sheer frame test, shovel shear test, avalanche control; View additional details about Field Tests of Snow Stability

Title: Some Observations on Snowcover Temperature Patterns: Date: 1980; Authors: Richard L. Armstrong; Description: The two primary boundaries of a snowcover are the snow-air interface (snow surface) and the snow-soil interface (soil surface). The soil surface is fi...; Object ID: issw-1980-066-081.pdf; Keywords: temperature gradients, metamorphism, faceted crystals; View additional details about Some Observations on Snowcover Temperature Patterns

Title: Periodic Patterns in Snow Stability: Date: 1980; Authors: Peter Lev, Cliff Mohwinkel; Description: The art and science of snow avalanche prediction is built around saving lives. This study is based upon 181 avalanches which occurred during a 23-year...; Object ID: issw-1980-108-119.pdf; Keywords: fatalities, avalanche accidents, snow stability, risk; View additional details about Periodic Patterns in Snow Stability

Title: Comparison of Cornice Control Methods at the Bridger Bowl Ski Area: Date: 1976; Authors: B.J. Burroughs; Description: The formation, structure, and control of cornices in the Bridger Range (near Tozeman, Montana) was studied by Montagne and others (1968). The purpose ...; Object ID: issw-1976-064-066.pdf; Keywords: blasting, cornices, shoveling; View additional details about Comparison of Cornice Control Methods at the Bridger Bowl Ski Area

Title: Use of Snow Fences to Reduce Avalanche Hazards: Date: 1976; Authors: H. Norem; Description: In Norway, roads and buildings are, in some cases, protected from avalanches by the erection of snow fences on the windward side of avalanche areas. T...; Object ID: issw-1976-067-072.pdf; Keywords: snow fences, starting zones, topography, wind speed; View additional details about Use of Snow Fences to Reduce Avalanche Hazards

Title: Deep Slab Instability: Date: 1976; Authors: N.A. Wilson; Description: Deep slab release continue to claim victims. The best documented of these releases occur in ski area and highway situations where the deep instability...; Object ID: issw-1976-073-076.pdf; Keywords: temperature gradient, deep slab, victims, explosive test; View additional details about Deep Slab Instability

Title: Avalanche Forecasting at Jackson Hole Ski Area: Date: 1976; Authors: J. Simms; Description: The responsibility of hazard forecasting and stability evaluation for the Jackson Hole Ski area falls upon the U.S. Forest Service Snow Rangers assign...; Object ID: issw-1976-077-086.pdf; Keywords: avalanche forecasting, snow stability, hazard forecasting, instrumentation; View additional details about Avalanche Forecasting at Jackson Hole Ski Area

Title: Winter Precipitation Forecasting for Sunshine Village, Banff National Park: Date: 1976; Authors: K.W. Daly; Description: The number and severity of snow avalanches is directly related to the amount and rate of snowfall (Perla and Martinelli, 1976). Avalanche hazard evalu...; Object ID: issw-1976-087-096.pdf; Keywords: precipiation forecasting, avalanche hazard, snow metamorphism; View additional details about Winter Precipitation Forecasting for Sunshine Village, Banff National Park

Title: Relationships Between Snow Structure and Avalanche Release: Date: 1976; Authors: R.L. Armstrong; Description: Each winter, from 100 to 200 avalanches affect the highways within the San Juan Mountains of southwestern Colorado. The University of Colorado Institu...; Object ID: issw-1976-144-160.pdf; Keywords: forecasting, release, snow structure; View additional details about Relationships Between Snow Structure and Avalanche Release

Title: Liquid Water Distribution in a High Altitude Spring Snowpack: Date: 1976; Authors: T. Carroll; Description: It is well known that liquid water within a snowpack reduces the mechanical strength of the snow (Wakahama, 1975) by reducing the number of ice-bonds ...; Object ID: issw-1976-177-185.pdf; Keywords: wet avalanche, forecasting, snow strength; View additional details about Liquid Water Distribution in a High Altitude Spring Snowpack

Title: Discussion of Deformation Measurements in Relation to Snow Slab Release: Date: 1976; Authors: D.M. McClung; Description: Snow stratigraphy studies at avalanche fracture lines indicate that the situation may be viewed essentially as a thick slab overlying a thin failure p...; Object ID: issw-1976-186-192.pdf; Keywords: snow stratigraphy, slab release, fracture lines; View additional details about Discussion of Deformation Measurements in Relation to Snow Slab Release