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  1. Common snowpack tests

    24:00

    from Bruce Jamieson Added 13.4K 113 7

    A brief how-to for common snowpack tests to locate and assess instabilities within the snowpack, presented by Mike Conlan. Start times of tests in this video are as follows: 1:32 Compression…

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    • Fracture character in compression tests

      10:02

      from Bruce Jamieson Added 6,483 40 1

      This presentation video for advanced recreationists and practitioners identifies the five types of fracture character and shows the frequency of skier triggering on slopes that exhibited each type…

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      • Crack propagation in human-triggered slab avalanches and snowpack tests

        05:59

        from Bruce Jamieson Added 5,103 12 0

        For a skier, snowmobiler or other load to trigger a slab avalanche: the dynamic load must start a crack in a weak layer and then crack propagation must be sustained away from the load. There is no…

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        • On "bridging"

          12:25

          from Bruce Jamieson Added 449 6 1

          This presentation was given at the International Snow Science Workshop 2013 in Grenoble, France. Please see http://www.ucalgary.ca/asarc/publications for the full paper.

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          • Measuring the snowpack stress under skiers and snowmobiles

            13:54

            from Bruce Jamieson Added 1,608 4 6

            After one winter of field measurements for his MSc program, Scott Thumlert talks about the stress in the snowpack under skiers and snowmobiles.

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            • Considerable avalanche danger: How much riskier is it?

              10:16

              from Bruce Jamieson Added 1,437 4 0

              Based on an ISSW 2009 paper by Bruce Jamieson, Juerg Schweizer and Cora Shea, the presentation uses an event tree, an expert survey of triggering odds, Canadian Accident data and some large assumptions…

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              • A Thermal Peek Into Surface Hoar Growth

                01:42

                from Bruce Jamieson Added 623 3 0

                Surface hoar is quite particular. A number of different factors determine what aspects it grows on, and on what aspects it will grow bigger. This video shows a small area (~1 m on a side) with small…

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                • Field observations vs snowpack tests: Which is best when?

                  05:30

                  from Bruce Jamieson Added 1,741 3 0

                  In this study in recent winters, simple field observations correlated with the local avalanche danger better than snowpack tests. However, when Persistent Slabs dominate the Public Bulletin, snowpack…

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                  • Which field observation for which avalanche character?

                    07:40

                    from Bruce Jamieson Added 441 3 0

                    This is part of a presentation given at the 2014 International Snow Science Workshop, in Banff AB. Please see the corresponding paper for more details: http://www.ucalgary.ca/asarc/Issw2014/RsoHaladuick

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                    • Snowpack tests and avalanche danger

                      11:36

                      from Bruce Jamieson Added 428 3 0

                      This presentation was given at the International Snow Science Workshop 2013 in Grenoble, France. Please see http://www.ucalgary.ca/asarc/publications for the full paper.

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                      • High speed propagation saw tests

                        01:19

                        from Bruce Jamieson Added 591 3 0

                        During the development of the propagation saw tests, we became proficient doing the test, as James Floyer and Dave Gauthier demonstrate in this video.

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                        • Propagation saw test (PST)

                          13:33

                          from Bruce Jamieson Added 1,355 3 1

                          This video explains why the the PST was developed, shows two demonstrations of the propagation saw test, explains the usual interpretation of test results, and shows how it performed next to real…

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                          Videos Bruce Jamieson

                          Here are all of the videos that Bruce Jamieson has uploaded to Vimeo. Appearances are videos that Bruce Jamieson has been credited in by others.

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