AQA Geography - Human impacts on glacial environments

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What are the three management approaches?
Prevention, reaction, adaption
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Prevention
attempting to prevent a harmful event occurring e.g. oil spill
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reaction
responding to an event once it has occurred e.g. clearing up the oil spill,
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adaption
learning to live with change e.g. changing hunting methods, farming practices, living with climate change
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What is the largest oil field in the United States?
Prudhoe bay
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How often are spills in prudhoe bay?
There is about a spill a day at Prudhoe Bay.
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Significant physical Challenges to prudhoe bay
Sub Zero temperatures for 8 months, Averages below -30oC in January. Exploration can only take place during winter – otherwise ground is a morass. Key to sustainable development is to stop the permafrost from melting'
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Significant human Challenges to prudhoe bay
• Waste disposal- slow decomposition due to cold temperatures • Lack of daylight hours in winter • Remoteness- extra transport and infrastructure needed • Fuel freezes in vehicles
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Solutions to the problems
• Elevation of houses on pile driven stilts • Larger unheated buildings and airstrips can be safely constructed on gravel pads • Pipelines insulated and elevated on stilts
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Environmental impacts of prudhoe bay
• TAP’s disrupts migration of caribou • Oil spills (most recent Feb. 2006) have degraded habitats • Seismic exploration disturbs animals both on the tundra and Nearshore water in Arctic Ocean. • Gravel extraction from river beds has damaged fish pops
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Development Opportunities for alaska
OIL AND GAS, fishing, tourism, mining
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Other cards in this set

Card 2

Front

Prevention

Back

attempting to prevent a harmful event occurring e.g. oil spill

Card 3

Front

reaction

Back

Preview of the front of card 3

Card 4

Front

adaption

Back

Preview of the front of card 4

Card 5

Front

What is the largest oil field in the United States?

Back

Preview of the front of card 5
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