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Major causes of avalanches are weather, snowfall, temperature, wind direction, snow pack conditions, slope angle, slope orientation, terrain, and vegetation. ... During an avalanche, these "terrain traps" serve as accumulation points for snow and debris where a victim could be buried.
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library.thinkquest.org/03oct/00477/NatDisasterPages/Thi...
library.thinkquest.org/03oct/00477/NatDisasterPages/Thinkquest%20G.S.P./Thinkquest/avalanche_causes.htm
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Layers of snow build up and slide down the mountain ... A vibration or movement like the voice of a person or a train can start and avalanche ... Certain weather conditions like wind and rain...
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library.thinkquest.org/03oct/01747/what_causes_avalanch...
library.thinkquest.org/03oct/01747/what_causes_avalanches.htm
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Avalanches Research: What Causes an Avalanche? | Disasters Research Topic. Avalanches summary with 75 pages of encyclopedia entries, research information, and more. ... Get Sing & Play Stampede Music (Group's Avalanche Ranch) from Amazon.com...
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www.bookrags.com/researchtopics/avalanches/03.html
www.bookrags.com/researchtopics/avalanches/03.html
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A sudden rise of temperature causes a loss of cohesion fast enough to trigger an avalanche. A sudden drop increases the tension, particularly in slab. The gradual warming of the temperature in the spring leads to cumulative deterioration of the snow and to heavy, wet avalanches.
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www.avalanche.org/~moonstone/forecasting/snow%20avalanc...
www.avalanche.org/~moonstone/forecasting/snow%20avalanches.htm
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loose snow and slab , but slab avalanches are the true danger. Think of the snow pack as a series of layers, akin to a stack of pancakes. The earth would be the plate supporting the stack. The first storm of the season deposits a couple of ...
http://www.backcountry.com/store/newsletter/a106/The-Ba...
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What causes an Avalanche? Top tips for avalanche survival.Check list's, gear and precautions that will keep you alive in the snow. ... What causes an Avalanche? ; All that is necessary for an avalanche is a mass of snow and a slope for it to slide down. For example, have you ever noticed the snowpack on a car windshield after...
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www.hotclicks.co.uk/features/Natural-Disasters/What-cau...
www.hotclicks.co.uk/features/Natural-Disasters/What-causes-an-Avalanche/
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A snowmobiler races up a mountainside in Valemount this weekend and nearly reaches the top before causing an avalanche. The dude races the snowfall down the mountain and escapes unharmed.
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www.break.com/index/snowmobiler-causes-avalanche.html
www.break.com/index/snowmobiler-causes-avalanche.html
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What causes avalanches? ... The far more dangerous slab avalanche occurs when a hunk of snow -- already bonded by something like the wind -- starts sliding downslope. As the slab slides, it breaks into great chunks of hardened snow that trap or injure victims.
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whyfiles.org/105avalanche/2.html
whyfiles.org/105avalanche/2.html
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Jump to the story ... Jump to Media Player ... A snowboarder in the US has survived after triggering an avalanche on a mountain in Utah.
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news.bbc.co.uk/player/nol/newsid_6370000/newsid_6370700...
news.bbc.co.uk/player/nol/newsid_6370000/newsid_6370700/6370787.stm?bw=bb&mp=wm
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