Your search for Subject optical propertiesresulted in 37 records.
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- Title: IceCube, A Portable and Reliable Instrument for Snow Specific Surface Area Measurement in the Field
- Date: 2013-10-07
- Authors: Nicolas Zuanon
- Description: The specific surface area (SSA), defined as the surface area per unit mass, is a key variable to describe the physical properties of snow. It is seen ...
- Object ID: ISSW13_paper_P2-20.pdf
- Keywords: specific surface area, reflectance, grain size, optical measurement
- View additional details about IceCube, A Portable and Reliable Instrument for Snow Specific Surface Area Measurement in the Field
- Title: Uncut Column Stability Tests For Hard Slab Snow Conditions
- Date: 2013-10-07
- Authors: Wesley R. Farnsworth, Markus Eckerstorfer
- Description: This study aims to better understand a slabs influence on the mechanics of artificial
avalanches. It seems that stability tests do not represent stab...
- Object ID: ISSW13_paper_O2-01.pdf
- Keywords: slab properties, propagation saw test, hard slab, uncut columns
- View additional details about Uncut Column Stability Tests For Hard Slab Snow Conditions
- Title: Linking Weather Conditions to Snow Property Variations
- Date: 2013-10-07
- Authors: Benjamin Reuter, Jürg Schweizer
- Description: One of the challenges to modern avalanche forecasting is to enhance the forecasts’ content with information on how snow instability varies in t...
- Object ID: ISSW13_paper_P4-08.pdf
- Keywords: snow microstructure, snow properties, fracture, snow stability, spatial variability, weather
- View additional details about Linking Weather Conditions to Snow Property Variations
- Title: Automated Avalanche Deposit Mappping from VHR Optical Imagery
- Date: 2012
- Authors: Matthew J. Lato, Regula Frauenfelder, Yves Bühler
- Description: Using eCognition we developed an algorithm to automatically detect and map avalanche deposits in Very High Resolution (VHR) optical remote sensing ima...
- Object ID: issw-2012-392-394.pdf
- Keywords: avalanche deposits, avalanche mapping, algorithm
- View additional details about Automated Avalanche Deposit Mappping from VHR Optical Imagery
- Title: The Influence of Near-Surface Warming on Slab Stiffness and Crack Propagation Propensity
- Date: 2012
- Authors: Benjamin Reuter, Jürg Schweizer
- Description: Near-surface warming by either an increase in air temperature or radiation is believed to have a significant effect on dry-snow slab avalanche formati...
- Object ID: issw-2012-028-031.pdf
- Keywords: near-surface warming, propagation propensity, snow pack, slabs,
- View additional details about The Influence of Near-Surface Warming on Slab Stiffness and Crack Propagation Propensity
- Title: Depth Hoar, Avalanches, and Wet Slabs: A Case Study of the Historic March, 2012 Wet Slab Avalanche Cycle at Bridger Bowl, Montana
- Date: 2012
- Authors: Alex Marienthal, Jordy Hendrikx, Doug Chabot, Pete Maleski, Karl Birkeland
- Description: During this past winter, southwest Montana had many large avalanches and days of high avalanche danger. In the Bridger Mountains the most prominent an...
- Object ID: issw-2012-062-068.pdf
- Keywords: bridger mountains, hoar layer, wet slab avalanche, dry slab avalanche, rain on snow
- View additional details about Depth Hoar, Avalanches, and Wet Slabs: A Case Study of the Historic March, 2012 Wet Slab Avalanche Cycle at Bridger Bowl, Montana
- Title: Avalanche Forecasting for Safe Travel in the Backcountry: The 5-Step Checklist
- Date: 2012
- Authors: Mike Wiegele
- Description: Operators and ski guides are in-field practitioners with a responsibility to provide a safe and enjoyable experience for clients and employees. As pra...
- Object ID: issw-2012-157-160.pdf
- Keywords: back country, snowpack stability, avalanche awareness, solar radiation
- View additional details about Avalanche Forecasting for Safe Travel in the Backcountry: The 5-Step Checklist
- Title: Nowcast With a Forescast – Snow Cover Simulations on Slopes
- Date: 2012
- Authors: Sascha Bellaire, Bruce Jamieson
- Description: The snow cover model SNOWPACK simulates the snow cover formation and evolution
based on meteorological parameters. In the past, these parameters were...
- Object ID: issw-2012-172-178.pdf
- Keywords: snowpack, snow cover modeling, avalanche warning, numerical weather prediction models, snow cover stratigraphy, model output statistics
- View additional details about Nowcast With a Forescast – Snow Cover Simulations on Slopes
- Title: Remote-Sensing Derived Avalanche Inventory Data
- Date: 2012
- Authors: Regula Frauenfelder, Rune Solberg, Siri Øyen Larsen, Arnt-Børre Salberg, Heidi Bjordal
- Description: Every year snow avalanches pose a significant threat to transportation infrastructure. The societal demand to minimize closures of the main transport ...
- Object ID: issw-2012-398-403.pdf
- Keywords: snow avalanches, transportation, meteorology, avalanche forecasting
- View additional details about Remote-Sensing Derived Avalanche Inventory Data
- 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
- View additional details about Spatial Variabiity of Snowpack on Small Wind Effected Slopes, Central Svalbard
- Title: How Do You Stress the Snowpack?
- Date: 2012
- Authors: Scott Thumlert, Bruce Jamieson, Thomas Exner
- Description: In the majority of fatal avalanches, skiers and snowmobilers apply load to the
snowpack which triggers the initial failure in a weak layer. Understan...
- Object ID: issw-2012-506-512.pdf
- Keywords: dynamic stress, localized dynamic loading, snowmobile, snow stability, avalanche forecasting, snowpack stratigraphy
- View additional details about How Do You Stress the Snowpack?
- Title: Use of Thermal Photography to Measure Snowpack Properties
- Date: 2010
- Authors: Cora Shea, Bruce Jamieson
- Description: Many snow processes are linked to snow temperature. A thermal photograph captures tens of thousands of surface temperature measurements in a single, p...
- Object ID: ISSW_O-005.pdf
- Keywords: heat conduction, surface hoar, thermal photography, thermal profile
- View additional details about Use of Thermal Photography to Measure Snowpack Properties
- Title: Snow Characterization by Optical Properties
- Date: 2009
- Authors: Mathias Gergely, Martin Schneebeli, Kurt Roth
- Description: Snow optics offers an opportunity to measure physical properties of a vertical snow
profile or a snow surface by unbiased, high-resolution and time-s...
- Object ID: issw-2009-0087-0091.pdf
- Keywords: optical properties, reflectance, transmittance, grain size, density
- View additional details about Snow Characterization by Optical Properties
- Title: Non-Destructive Quantification of Snowpack Properties
- Date: 2009
- Authors: Achim Heilig, Hans Peter Marshall, Olaf Eisen, Martin Schneebeli
- Description: A temporal observation of the stratigraphy of seasonal snowpacks is only possible with non-invasive methods. Electromagnetic waves, specifically radar...
- Object ID: issw-2009-0082-0086.pdf
- Keywords: snowpacks, fmcw, electromagnetic wave systems
- View additional details about Non-Destructive Quantification of Snowpack Properties
- Title: The Influence of Aspect on Physical and Chemical Properties of the Snow Cover in a Basin on the Monte Rosa Massif (North-Western Italian Alps)
- Date: 2009
- Authors: A. Brulport, M. Maggioni, M. Freppaz, G. Filippa, E. Squinobal
- Description: In Alpine ecosystems, snowpacks are characterized by both spatial and temporal variability, as a function of topographical and meteorological factors....
- Object ID: issw-2009-0160-0164.pdf
- Keywords: snowpack variability, topography, snow chemistry, stability
- View additional details about The Influence of Aspect on Physical and Chemical Properties of the Snow Cover in a Basin on the Monte Rosa Massif (North-Western Italian Alps)
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