Mtn Geog quiz study sheet

Mtn Geog quiz study sheet - 12/4/2007 7:29:00 PM Mtn Geog...

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04/12/2007 22:29:00 Mtn Geog quiz study sheet Disasters in Peru 1962 Huascaran avalanche killed 4,000 1970 Huascaran avalanche killed 20,000 1941 proglacial lake outburst from Palcacocha killed 6,000 in  Huaraz Lago Paron could have an outburst at any time from (a) collapse of  rock glacier damn; (b) glacial ice fall into lake; c) combination of  both High elevation ecosystems include abiotic (rock), alpine tundra, Tree  islands, and the subalpine forest interface. The solution to surviving the alpine winter is to hide beneath the  snow, if no snow then underground----Krumholz  Snow Insulates ground
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o Increases soil temp o Free water available Shields vegetation from high winds o Desiccation (winds dry out trees) o Sand-blasting by blowing snow Trees make their own snow fences Trees can move across tundra windward to leeward 
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Mtn Geog quiz study sheet - 12/4/2007 7:29:00 PM Mtn Geog...

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