Flood hazards

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  • Created by: E Pearson
  • Created on: 13-12-12 12:21
Which authority in the UK is responsible for flood warnings?
The Environment Agency
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What is Britain's longest river called?
The River Severn
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Do flood walls give a short-term or long-term solution?
Short-term
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What is a confluence?
Where two rivers meet
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What sort of graph shows how a river is affected by heavy rainfall?
A flood hydrograph
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When do flooding conditions occur?
When the ground is saturated, frozen, the surface is impermeable and the rainfall is so intense it cannot all soak away.
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Is groundwater slow or quick to reach rivers?
Slow
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Why do rivers continue to flow even during low rainfall?
Because groundwater is slow to reach the rivers
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Is crop destruction a short-term or long-term effect of a flood?
Short-term
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Is a river bursting its bank a short-term or long-term effect of a flood?
Short-term
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What is the long-term effect of a flood if a farmer has lost his crops?
He cannot invest the income he has lost with the crops.
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How could a local business be affected by flooding?
Premises may need to be cleaned out, stock may be damaged and orders lots whilst they repair the damage.
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How does paving a front garden affect flooding?
Rainwater cannot permeate the paving and instead of soaking into the soil, it goes straight into storm drains.
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What is run off?
The water which flows when the soil has absorbed all it can.
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What does impermeable mean?
Not allowing fluid to pass through
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Other cards in this set

Card 2

Front

What is Britain's longest river called?

Back

The River Severn

Card 3

Front

Do flood walls give a short-term or long-term solution?

Back

Preview of the front of card 3

Card 4

Front

What is a confluence?

Back

Preview of the front of card 4

Card 5

Front

What sort of graph shows how a river is affected by heavy rainfall?

Back

Preview of the front of card 5
View more cards

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