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Geography Case Studies > The River Eden > Flashcards

The River Eden Flashcards

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1
Q

Location

A

NW England, between Yorkshire and Cumbria

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2
Q

Source

A

Pennines, Cumbria

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3
Q

Mouth

A

English-Scottish border

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4
Q

Upper Course

A

Steep sided valley
Erosion dominates

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5
Q

Middle Course

A

Flows through soft rock
Neither erosion or deposition are really dominant
Valley is more gentle & channel is wider

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6
Q

Lower Course

A

Deposition dominates
Wide, flat valley & wide, deep channel

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7
Q

V-shaped valleys

A

Hills either side at 500-700m above sea level (in Lake District)

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8
Q

Hell Gill Force

A

8m waterfall, tallest on the river
Has a gorge behind

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9
Q

Meanders on the river

A

Lower course e.g: by Salkeld

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10
Q

City situated on floodplain

A

Carlisle

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11
Q

Temperature

A

Low in upper course, causing freeze thaw weathering

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12
Q

Freeze thaw weathering causes

A

Rock to weaken, increasing the likelihood of mass movement

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13
Q

Mass movement causes

A

More sediment carried by river, meaning more abrasion

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14
Q

Rainfall

A

Saturates soil (more landslides)
Increasing volume of the channel (more sediment carried, more abrasion)

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15
Q

Rocks to the west of the basin

A

Impermeable, meaning lots of surface runoff, which can quickly enter the channel

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16
Q

Rocks in middle and lower course

A

Soft (sandstone), so is easily eroded to form meanders and river cliffs

17
Q

Flood walls on the river Eden

A

10km of walls in Carlisle

18
Q

Planting trees

A

Increases interception of rain water, increases lag time between rain falling and entering the channel
Causes energy in river to decrease, slowing the forming of meanders

19
Q

Money spent and number of trees plantes

A

£500,000 was spent planting 1000 trees near the river

20
Q

Location of resevoir relative to Carlisle

A

SE

21
Q

Deforestation caused

A

More surface runoff

22
Q

Farming caused lower soil stability, meaning

A

More soil is washed into the channel

Geography Case Studies (19 decks)

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