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Your search for Keyword "faceted crystals"resulted in 11 records.

Title: Monitoring Snowpack Temperature Gradient Using Automatic Snow Depth Sensor: Date: 2012; Authors: Ã–rn IngÃ³lfsson, Harpa GrÃmsdÃ³ttir, Magni Hreinn JÃ³nsson; Description: An instrument for measuring snow depth and snow temperature has been developed by POLS engineering in Iceland. The snow sensor (SM4) consists of a ser...; Object ID: issw-2012-956-960.pdf; Keywords: snow sensor, avalanche monitoring, snowpack temperature, faceted crystals, weak layers; View additional details about Monitoring Snowpack Temperature Gradient Using Automatic Snow Depth Sensor

Title: Implementation of Depth Hoar Factor into the Snowpack Model: Date: 2008-09-22; Authors: Hiroyuki Hirashima, Osamu Abe, Atsushi Sato, Michael Lehning; Description: In the SNOWPACK model, shear strength has been estimated as a function of the snow density using expressions depending on grain types. Therefore, the ...; Object ID: P__8025.pdf; Keywords: snowpack model, faceted crystals, rounded grains, shear strength; View additional details about Implementation of Depth Hoar Factor into the Snowpack Model

Title: The Effects of Slope Aspect on the Formation of Surface Hoar and Diurnally Recrystalized Near-Surface Faceted Crystals: Implications for Avalanche Forecasting: Date: 2004; Authors: Mike S. Cooperstein, Karl W. Birkeland, Kathy J. Hansen; Description: This study presents evidence that slope aspect plays a significant role in the formation, size, type, and extent of surface hoar and near-surface face...; Object ID: ISSW-2004-005.pdf; Keywords: avalanche, avalanche forecasting, large scale spatial variability, surface hoar, diurnally recrystalized near-surface faceted crystals, temperature and vapor pressure gradients; View additional details about The Effects of Slope Aspect on the Formation of Surface Hoar and Diurnally Recrystalized Near-Surface Faceted Crystals: Implications for Avalanche Forecasting

Title: The Effects of Slope Aspect on the Formation of Surface Hoar and Diurnally Recrystalized Near-Surface Faceted Crystals: Implications for Avalanche Forecasting: Date: 2004; Authors: Mike S. Cooperstein, Karl W. Birkeland, Kathy J. Hansen; Description: This study presents evidence that slope aspect plays a significant role in the formation, size, type, and extent of surface hoar and near-surface face...; Object ID: issw-2004-083-093.pdf; Keywords: avalanche, avalanche forecasting, large scale spatial variability, surface hoar, diurnally recrystalized near-surface faceted crystals, temperature and vapor pressure gradients; View additional details about The Effects of Slope Aspect on the Formation of Surface Hoar and Diurnally Recrystalized Near-Surface Faceted Crystals: Implications for Avalanche Forecasting

Title: Faceting Above Crusts and Associated Slab Avalanching in the Columbia Mountains: Date: 2004; Authors: Bruce Jamieson, Paul Langevin; Description: Numerous slab avalanches including unexpected human triggered avalanches are reported on crusts. For 70 dry slab avalanches that slid on a crust in th...; Object ID: issw-2004-112-120.pdf; Keywords: avalanche forecasting, snowpack stratigraphy, crusts, melt-freeze layers, faceted crystals; View additional details about Faceting Above Crusts and Associated Slab Avalanching in the Columbia Mountains

Title: Strength Changes of Layers of Faceted Snow Crystals in the Columbia and Rocky Mountain Snowpack Climates in Southwestern Canada: Date: 2000; Authors: Greg Johnson, Bruce Jamieson; Description: The strength of layers of faceted crystals is important for forecasting snow stability. During the winters of 1993-2000, in the intermountain snowpack...; Object ID: issw-2000-086-093.pdf; Keywords: snow crystals, faceted crystals, snow strength, snow climate, avalanche, avalanche forecasting; View additional details about Strength Changes of Layers of Faceted Snow Crystals in the Columbia and Rocky Mountain Snowpack Climates in Southwestern Canada

Title: Case Study of a Deep Slab Instability and Associated Dry Avalanches: Date: 2000; Authors: Bruce Jamieson, Torsten Geldsetzer, Chris Stethem; Description: This study considers the predictive merit of weather and snowpack data for avalanches that released throughout the winter on a layer of faceted crysta...; Object ID: issw-2000-101-108.pdf; Keywords: avalanche forecasting, avalanche formation, faceted crystals, snow cover stability, snow cover structure, snow stratigraphy; View additional details about Case Study of a Deep Slab Instability and Associated Dry Avalanches

Title: A Study of an Avalanche at Niseko, Japan: Date: 1998; Authors: A. Hachikubo, J. McElwaine, M. Nemoto, T. Kaihara, T. Yamada, K. Nishimura; Description: On 28th January 1998 an avalanche accident occurred near the Japanese ski resort Niseko Alpen in Hokkaido. The snow properties of the crown surface w...; Object ID: issw-1998-291-293.pdf; Keywords: avalanche accidents, weak layer, faceted crystals; View additional details about A Study of an Avalanche at Niseko, Japan

Title: Near Surface Faceted Crystals: Conditions Necessary for Growth and Contribution to Avalanche Formation, Southwest Montana, U.S.A.: Date: 1996; Authors: Karl Birkeland, Ron Johnson, Scott Schmidt; Description: In the winter of 1995-96 we investigated the formation of faceted crystals that develop in the upper levels of the snowpack. We used an array of six t...; Object ID: issw-1996-075-080.pdf; Keywords: avalanche, snow metamorphism, faceted crystals, temperature gradient; View additional details about Near Surface Faceted Crystals: Conditions Necessary for Growth and Contribution to Avalanche Formation, Southwest Montana, U.S.A.

Title: Temperature-Gradient Metamorphism: Date: 1982; Authors: R. Perla; Description: Cylindrical snow samples (2.5 X l05 mm3) were collected at a study plot in the Sunshine Ski Area (elev. 2200 m), Banff National Park, and transported ...; Object ID: issw-1982-007.pdf; Keywords: temperature gradients, metamorphism, faceted crystals; View additional details about Temperature-Gradient Metamorphism

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