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Geography > 3) The River Tees, North East England > Flashcards

3) The River Tees, North East England Flashcards

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1
Q

Where is the river tees?

A

North east England

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2
Q

Where is the mouth?

A

North Sea

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3
Q

Features of the upper course

A

Steep V shaped valley
Many Rapids
Waterfall - High Force
Winstone

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4
Q

Why does it have to be managed?

A

Long history of flooding

Many homes and industries needing water supply m

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5
Q

What is Cow Green?

A

A reservoir built to provide water for the industries

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6
Q

How is the Tees managed?

A 
Barrage 
Dredging 
Cutting off meanders 
Flood defences 
Afforestation
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7
Q

How has the Tees barrage made a difference?

A

Fresh water

Removes water to reduce risk of flooding downstream

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8
Q

How does dredging help?

A

Deep water channel

More room for water

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9
Q

Impact of defences on geomorphic processes

A

Dredging- more velocity = more erosion

Meander cut off = more erosion downstream

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10
Q

How does cutting off meanders help

A

Short route for water to travel across, moves faster and reduces flood risk

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11
Q

How does afforestation help?

A

Plants absorb water and stops it reaching streak

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12
Q

Where is the source?

A

Pennines

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13
Q

How tall is High Force?

A

over 21 metres

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14
Q

Main type of weathering and why

A

Freeze-thaw weathering

Cool temperatures

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15
Q

How does precipitation impact geomorphic processes?

A

Lots of precipitation makes the ground saturated and weak, making landslides more common

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16
Q

4 reasons why it needs to be managed?

A

Prevent flooding
Water supply
Increase water quality
Increase use for leisure and recreation

17
Q

Largest reservoir

A

Cow Green Reservoir

18
Q

What do reservoirs do?

A

Store water in times of heavy rainfall to be released in times of low flow or for industry

19
Q

How do reservoirs impact geomorphic processes?

A

They limit the flow of water downstream
Material is therefore deposited in reservoir
Reduces sediment build up on floodplain

20
Q

How do meander cut offs impact geomorphic processes?

A

River flows more quickly
Increased erosion and decreased deposition
Greater risk of flooding downstream

21
Q

How does dredging impact geomorphic processes?

A

Increases river discharge
Increases velocity
Increases erosion

22
Q

How does afforestation impact geomorphic processes?

A

Decreases discharge and velocity
Reduced erosion
Meanders and ox bow lakes less likely to form

23
Q

How does deforestation impact geomorphic processes?

A

Increases surface run off when it rains

Increased discharge = more velocity = more erosion

Geography (30 decks)

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