Rivers – Soft Engineering Flashcards
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
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Identify two benefits of floodplain zoning.
Give three examples of soft engineering.
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Examples include:
- flood warnings
- flood plain zoning
- planting trees
- river restoration
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Give three examples of soft engineering.
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
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Identify one cost of planting trees as a flood management strategy.
Give two benefits of planting trees as a flood management strategy.
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Examples include:
- benefits wildlife by creating habitats
- it’s a natural method of intercepting precipitation and slowing water transfer in a river basin
- absorbs and stores carbon reduce the amount of carbon dioxide in the atmosphere
- relatively inexpensive.
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Give two benefits of planting trees as a flood management strategy.
Identify two disadvantages of floodplain zoning
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Examples include:
- restricts economic development as certain land uses are prohibited
- if land cannot be used for building the current housing shortage will continue
- through building elsewhere habitats may be lost
- it is very difficult to implement retrospectively where urban development has already taken place on the floodplain.
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Identify two disadvantages of floodplain zoning