Geography: Arctic

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Location
66°
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temp
-30° to 7°C
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growing season
50-60 days
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rainfall
up to 350mm
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how many trees
none
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types of vegetation
Arctic Poppy, juniper
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biomass
15 tonnes/ha
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permafrost
1600GT carbon
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low infiltration
due to frozen ground for 10 months
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impacts of oil and gas industry
North Slope oil Field, McKenzie Valley oil and gas field
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how many barrels of oil available?
11.6bn
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how much does melting permafrost release?
40MT CO2 and 114,000 tonnes of Methane
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what increases rates of decomposition?
thawing soil increases microbial activity
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what creates artificial lakes?
***** mining- exposes permafrost
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ice roads
reduces localised runoff- 280miles
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melting permafrost
increased runoff and evaporation
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how much oil waste per well
40,000m - kill birds and fish
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how much nitrous oxide gas is produced?
50,000 tons- global warming
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pipeline along ANWR
migration of caribou
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how many oil spills a year?
400
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how many jobs?
110,000
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insulated gravel pads
prevent heat from being transferred to permafrost
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refrigerated supports
heat is dissipated
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pipelines above ground
reduce heat transfer- 3-6ft
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drilling horizontally
to find new oil and gas reserves 2010 749 rigs in the USA
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Other cards in this set

Card 2

Front

temp

Back

-30° to 7°C

Card 3

Front

growing season

Back

Preview of the front of card 3

Card 4

Front

rainfall

Back

Preview of the front of card 4

Card 5

Front

how many trees

Back

Preview of the front of card 5
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