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Physical Geography > Key Physical Case Study Facts > Flashcards

Key Physical Case Study Facts Flashcards

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1
Q

High energy coastline - rate of erosion of Shale

A

0.8m/year

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2
Q

High energy coastline - rate of erosion - chalk

A

0.1m/year

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3
Q

High energy coastline - shale example

A

Robin hoods bay

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4
Q

High energy coastline - chalk example

A

Flamborough head

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5
Q

High energy coastline - fetch

A

1500km

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6
Q

Low energy coastline - historical sediment supply

A

120 million tonnes per year from Nile river

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7
Q

Low energy coastline - sediment supply now - why

A

None - building of Aswan dam

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8
Q

Low energy coastline - land forms

A

Spit, lagoon, sabkhas, onshore bars, sand dunes

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9
Q

Human intervention coastline - why chosen

A

Pakiri is 60km from Auckland - sand is key ingredient in cement

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10
Q

Human intervention coastline - ratio of inputs and outputs

A

5:1 outputs:inputs - leading to sand deficit

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11
Q

Human intervention coastline - consequences

A

35m breach of spit

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12
Q

Managed coastline - what management, and width of beach now

A

Groynes - 80m wide beach

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13
Q

Managed coastline - width of beach where no management

A

0m - no groynes - by golf course

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14
Q

Amazon - carbon per hectare

A

400 Tonnes/hectare

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15
Q

Amazon - NPP - amount and meaning

A

Amount of photosynthesis - 2500g per m2 per year

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16
Q

Amazon - rainfall

A

2500mm per year

17
Q

Amazon - rate of surface runoff if deforestation occurs

A

27 times more SR

18
Q

Amazon - carbon stored by grasslands

A

16 tonnes of carbon per hectare

19
Q

Amazon - impacts of deforestation

A

Increase interception - rainfall 1/2s - because of fall in evapotranspiration

20
Q

Tundra - carbon stored

A

4-29 tonnes per hectare

21
Q

Tundra - NPP and meaning

A

Amount of photosynthesis- 200g per m2 per year

22
Q

Tundra - annual rainfall

A

50-300mm per year

23
Q

Tundra - total carbon stored in soil

A

1600 giga-tonnes

Physical Geography (11 decks)

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