physical geography cold environments case studies

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  • Created by: charlie
  • Created on: 24-04-14 10:38
Trans alaskan pipeline system (TAPS)
124,000 heated pipes // 800 miles // 17Bn barrels through // $8Bn // Denali fault 2002 magnitude 7.9 ruptured 336 km // Exxon Valdez oil spill 1989 11M gallons 250,000 sea birds // 75% over permafrost // 420 miles elevated // zig zags for movement
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Red Tarn
corrie glacier // steep backwall // Randkluft // Bergschrund // meltwater abrasion // rock lip
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Borrowdale
valley glacier // accumulation // input snowfall // snow line // ablation // higher output melting
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the How
striations // roche mountonnee // stoss side // band of resistant rock (abrasion // meltwater // ice compression ) // lee side (plucking // extend flow of ice)
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Watendlath, Cumbria
hanging valley either side of truncated spurs // arete // ribbon lakes // misfit stream // pyramidal horn
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Crow park, Keswick
Drumlin // boulder clay // stoss end is sort // less slope long // melting causes competence loss + deposition
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Rosthwaite / Watendlath
TRANSVERSE - push moraine // recessional moraine // end moraine // terminal moraine // LONGITUDE - lateral moraine // medial moraine
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after Rosthwaite, Borrowdale (fluvioglacial erosion)
ice marginal channel // melts as cannot travel through TUFF rock // sorted deposits // V shaped valley
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Rosthwaite, Borrowdale (fluvioglacial deposition)
beaded esker // varves // kames // kame terraces
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surprise view, Borrowdale
weathering // freeze thaw // 9.05% // 22d.c // 2115kg/cm^2 // migrations over 0d.c // scree slope // hydration // 1000kg/cm^2 // swelling + minerals absorb different // chemical // carbonation (meltwater more soluble) // little biological (cold)
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animal adaptations
change diet // fur/feather colour change // thick insulation // waterproof // short arms, legs + small ears // winter hibernation
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plant adaptations
rhizomes (shallow roots allow spread still) // low lying (less evap.) // shallow roots (permafrost) // tubers (starch storage) // lots of chlorophyll // small leaves (water retention)
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Other cards in this set

Card 2

Front

corrie glacier // steep backwall // Randkluft // Bergschrund // meltwater abrasion // rock lip

Back

Red Tarn

Card 3

Front

valley glacier // accumulation // input snowfall // snow line // ablation // higher output melting

Back

Preview of the back of card 3

Card 4

Front

striations // roche mountonnee // stoss side // band of resistant rock (abrasion // meltwater // ice compression ) // lee side (plucking // extend flow of ice)

Back

Preview of the back of card 4

Card 5

Front

hanging valley either side of truncated spurs // arete // ribbon lakes // misfit stream // pyramidal horn

Back

Preview of the back of card 5
View more cards

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