avalanche

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Related to snowslide: avalanche
Nuclear medicine Avalanche ionization
Wilderness medicine A natural disaster in which massive unsorted mixtures of snow/ice/rock/mud cascade down a steep incline. Powder snow avalanches can exceed speeds of 300 km/h, and masses of 10,000,000 tonnes
Statistics Europe, 150 deaths/year; USA/Canada, 15/year; most are recreational—e.g., snowmobilers, mountaineers, back-country skiers
Avalanche risks Decreased snow stability; slope angles > 35º
Emergency action Do not wait; even in well-equipped ski areas, helicopters take 45 minute to arrive
Survival 15 minutes—85%; 30 minutes—40%; 1 hour—20%; 2 hours—0%
Cause of death Crush injury, hypothermia, suffocation

avalanche

Geomedicine A natural disaster in which a massive block of snow cascades down a steep incline Statistics In North America, ± 15 die thereof/yr; in Europe, 150/yr; most are recreational deaths–eg, snowmobilers, mountaineers, backcountry skiers Avalanche risks ↓ Snow stability; slope angles > 35º COD Crush injury, asphyxia. See Geological disaster.
References in periodicals archive ?
CHILDREN - and big kids - can hurtle down the snowslide and there were buckets of snowballs on hand to gleefully throw at the snowmen targets.
The tragedy was witnessed by another group of mountaineers, who alerted emergency services after seeing the seven swallowed up in the snowslide.
Austria marked a national day of mourning after rescue teams dug up the final body from the devastating snowslides in the Paznaun Valley.
Police found two bodies in the southwestern village of Evolene, sceneof a weekend snowslide which has now claimed at least nine lives.
She contends that mountain residents displayed extraordinary cooperation and sacrifice either to help others avoid snowslides or to rescue and retrieve when disaster struck.
After a short synthetic overview of the problems snowslides posed for high country railroads, Di Stefano digs deeply into two events that animate much of the rest of the book: the 1910 Rogers Pass slide that struck the Canadian Pacific Railway in the Selkirk Mountains near the town of Revelstoke, and the 1910 Wellington slide that hit the Great Northern Railway east of Seattle in the Cascade Range.
Manaslu is nicknamed "Killer Mountain" by locals because a series of snowslides have claimed the lives of scores of mountaineers since it was first conquered in 1956.
One of the Indians with the English name of Edwin Hunter, who spoke some English, explained that the snowslides were from above "the Lake of the Little Fishes, where the blue picture is painted.
Then his research team intentionally sets off snowslides and watches while the shed is buried under snow.
Bad weather, snowslides and the danger of landslides resulted in the closure of dozens of state and municipal roads in southern Norway and the Finnmark region during the weekend.
The research is reaping data that engineers can use for designing better protective barriers for areas at high risk of snowslides.