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

Your search for Subject Extended Column Test (ECT)resulted in 59 records.

Title: The Extended Column Test: A Field Test for Fracture Initiation and Propagation: Date: 2006; Authors: Ron Simenhois, Karl Birkeland; Description: For dry slab avalanches, fractures initiate and propagate in a weak layer or along an interface. Current field tests like compression or stuffblock t...; Object ID: issw-2006-079-085.pdf; Keywords: stability test, avalanche forecasting, stability assessment, fracture propagation; View additional details about The Extended Column Test: A Field Test for Fracture Initiation and Propagation

Title: Minimizing â€œFalse-Stableâ€ Stability Test Results: Why Digging More Snowpits is a Good Idea: Date: 2006; Authors: Karl W. Birkeland, Doug Chabot; Description: The worst nightmare for an avalanche worker is to assess an unstable slope as stable since the consequence of such an assessment is that you, your cli...; Object ID: issw-2006-498-504.pdf; Keywords: avalanche forecasting, stability assessment, stability tests, false-stable conditions; View additional details about Minimizing â€œFalse-Stableâ€ Stability Test Results: Why Digging More Snowpits is a Good Idea

Title: Can Stability Tests Help Recreationists Assess the Local Avalanche Danger?: Date: 2006; Authors: Bruce Jamieson, JÃ¼rg Schweizer, Pascal Haegeli, Cam Campbell; Description: In western Canada, various agencies issue public avalanche bulletins three to seven times per week for regions which range from less than 500 km2 to a...; Object ID: issw-2006-468-477.pdf; Keywords: snowpack stability tests, avalanche forecasting, avalanche danger, spatial scale; View additional details about Can Stability Tests Help Recreationists Assess the Local Avalanche Danger?

Title: Are You a Hard Hitter? Systematic Measurement Error in the Compression Test: Date: 2006; Authors: Spencer Logan; Description: The compression test is an effective, internationally standardized stability test. One reason for the widespread use is that results are generally re...; Object ID: issw-2006-682.pdf; Keywords: compression test, stability tests, measurement error; View additional details about Are You a Hard Hitter? Systematic Measurement Error in the Compression Test

Title: Integrating Shear Quality into Stability Test Results: Date: 2002; Authors: Ron F. Johnson, Karl W. Birkeland; Description: This study investigates whether collecting shear quality data in conjunction with stability test results improves snowpack evaluations. Over the past ...; Object ID: issw-2002-508-513.pdf; Keywords: avalanche forecasting, snow stability, stability tests, stability evaluation; View additional details about Integrating Shear Quality into Stability Test Results

Title: On the Practical Use of Avalanche Beacons - The Austrian Transceiver Test 2001: Date: 2002; Authors: P. Holler, F. Gibler; Description: The development of new avalanche beacons in the last years was the motive to initiate a test of electronic transceivers by the Austrian Institute for ...; Object ID: issw-2002-256-260.pdf; Keywords: avalanche accidents, avalanche rescue, avalanche beacons; View additional details about On the Practical Use of Avalanche Beacons - The Austrian Transceiver Test 2001

Title: Interpreting Fracture Character in Stability Tests: Date: 2002; Authors: Alec van Herwijnen, Bruce Jamieson; Description: For at least a decade or two, some avalanche safety programs have recorded and interpreted the character of fractures in stability tests. It has been ...; Object ID: issw-2002-514-520.pdf; Keywords: snow stability tests, snow fracture, snow layer, avalanche forecasting; View additional details about Interpreting Fracture Character in Stability Tests

Title: Quantified Loaded Column Stability Test: Mechanics, Methodology, & Preliminary Trials: Date: 2000; Authors: Christopher C. Landry, John J. Borkowski, Robert L. Brown; Description: Avalanche forecasters have employed ad-hoc "collapse" (loaded column) stability tests for decades, stacking blocks of snow on top of an isolated colum...; Object ID: issw-2000-230-237.pdf; Keywords: avalanche forecasting, stability test; View additional details about Quantified Loaded Column Stability Test: Mechanics, Methodology, & Preliminary Trials

Title: Overview of the 1999 Measurements at the SLF Test-Site Vallee De La Sionne: Date: 2000; Authors: Francois Dufour, Urs Gruber, Perry Bartelt, Walter J. Ammann; Description: Three large avalanches were artificially triggered on January 30th, February 10th and February 25th 1999, at the Vallee de la Sionne test site of the ...; Object ID: issw-2000-527-534.pdf; Keywords: avalanche deposits, avalanche dynamics, avalanche modelling, avalanche velocities, impact forces, avalanche experiments, avalanche forces; View additional details about Overview of the 1999 Measurements at the SLF Test-Site Vallee De La Sionne

Title: The Compression Test for Snow Stability: Date: 1996; Authors: Bruce Jamieson, Colin Johnston; Description: The compression test is a quick stability test. It involves tapping on a shovel placed on top of a column of snow and noting the failures in weak laye...; Object ID: issw-1996-118-125.pdf; Keywords: snow compression, snow stability, snow strength, snow physical properties, snow stratigraphy; View additional details about The Compression Test for Snow Stability

Title: The Stuffblock: A Simple and Effective Snowpack Stability Test: Date: 1994; Authors: Ron Johnson, Karl Birkeland; Description: The stuftblock is a new snow stability test developed and used operationally by the Gallatin National Forest Avalanche Center during the 1993-94 winte...; Object ID: issw-1994-518-526.pdf; Keywords: stuffblock, stability tests, forecasting; View additional details about The Stuffblock: A Simple and Effective Snowpack Stability Test

Title: Evaluation of the Shovel Shear Test: Date: 1988; Authors: Peter Schaerer; Description: The shovel shear test - an index observation of the stability of snow packs - consists of cutting a vertical column of snow, applying a force by press...; Object ID: issw-1988-274-276.pdf; Keywords: snow pack, stability, shovel shear test, failure, snow layer; View additional details about Evaluation of the Shovel Shear Test

Title: The Swiss Rutschblock Snow Stability Evaluation Test: Date: 1986; Authors: Danny Whitmore, Susan A. Burak, James Malone, Robert E. Davis; Description: Conventional backcountry shear tests of the snow pack are compared with the Swiss Rutschblock test on steep, stable slopes. Conventional tests use a v...; Object ID: issw-1986-207-209.pdf; Keywords: snow pack, rutschblock, slab strength, backcountry skiing; View additional details about The Swiss Rutschblock Snow Stability Evaluation Test

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