Snow cave
From Wikipedia, the free encyclopedia
A snow cave is a shelter made in snow by mountain climbers and other outdoor winter recreational enthusiasts. The shelter has properties related to an Igloo and is particularly effective at providing protection from wind as well as low temperatures. A properly made snow cave can be 0 °C (32 °F) or warmer inside, even when outside temperatures are -40 °C (-40 °F).[1] [2]
A snow cave is built by excavating snow in such a way that the entrance tunnel enters from below the main space to retain warm air. Construction is simplified by building it on a steep slope and digging slightly upwards and horizontally into the slope. The roof is domed to prevent dripping on the occupants. Adequate snow depth, free of rocks and ice, is needed. Generally at 4 or 5 feet is sufficient. The snow must be consolidated, so it retains its structure. The walls and roof should be at least 12 inches thick.
A narrow entrance tunnel, a little wider than a human leads into the main chamber which consists of a flat area, perhaps with elevated sleeping platform(s), also excavated from snow. Most sources agree that using tools such as a shovel and ice axe are vital; digging by hand is for emergencies only.[2]
[edit] See also
[edit] References
- ^ Quinzee (aka - Snow Cave). Retrieved on 2007-01-30.
- ^ a b Randy Gerke. When Storms Rage (or how to build a snow cave). Enviro-Tech International. Retrieved on 2007-01-30.
[edit] External links
- [1] Snow as insulation
- PBSkids.com Denali for kids Survival Skills: Building a Snow Cave
- Traditional Mountaineering Why are snow caves dangerous?
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