Rivers Flashcards
Identify one economic benefit of dams and reservoirs
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Economic benefits of constructing dams and reservoirs include:
- boosting tourism e.g. the local economy of Kielder has been boosted by £6 million thanks to the construction of Kielder Dam
- they can be used to produce electricity by passing the water through a turbine within the dam
Find out more about hard engineering.
Identify one economic benefit of dams and reservoirs
Identify two benefits of floodplain zoning.
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Examples include:
- low-cost solution
- reduces additional impermeable surface coverage of the floodplain
- protects and conserves water meadows for wildlife and recreation
- reduces insurance costs when property is flooded
Find out more about soft engineering.
Identify two benefits of floodplain zoning.
List the social economic and environmental benefits of embankments
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Social:
- Safer from flooding due to the increased carrying capacity of the river so the risk of flooding to nearby settlements is reduced.
- Embankments are often used for walking routes which makes the embankment a more attractive walkway for local people.
Economic:
- Cheap compared to other methods of hard engineering
Environmental:
- Habitats are provided for riverbank animals such as otters, voles and kingfishers
Find out more about hard engineering.
List the social economic and environmental benefits of embankments
What happens to the shape and size of bed load as you move down the river?
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It becomes more rounded and smaller.
Find out more about river erosion.
What happens to the shape and size of bed load as you move down the river?
Identify one cost of planting trees as a flood management strategy.
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Examples include:
- it can reduce habitat diversity when hillsides are covered in tree
- it can lead to acidity in the soil
- the loss of farmland
Find out more about soft engineering.
Identify one cost of planting trees as a flood management strategy.