a question of flooding. cause effect cause effect solution people places
TRANSCRIPT
Which of these would be more likely to cause flooding, and why?
a) Impermeable rock
b) Permeable rock
Answer Return
Which of these would be more likely to cause flooding, and why?
a) Impermeable rock
The water can’t sink into the ground, so it sits on top
Return
What is the difference between primary effects and secondary effects? Give an example of each.
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Primary effects happen straight away – caused directly by the flood.
Secondary effects happen weeks, or months later – caused indirectly by the flood.
Describe a solution that would help to reduce flood effects in the UK
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• Identify areas at risk
• Build flood defences
• Monitor weather and rivers
• Give flood warnings (radio and TV)
• Alert emergency services
Describe 2 ways in which deforestation (cutting down trees) can increase flooding
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1. If there are no leaves interception is reduced.
2. If there are no roots infiltration is reduced.
3. Less water will be absorbed out of the ground
Give an effect that is more likely to occur in an MEDC, and an effect that is more likely to occur in an LEDC
Answer Return
Give an effect that is more likely to occur in an MEDC, and an effect that is more likely to occur in an LEDC
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MEDC
Businesses closed
Problems with electrics
Car washed away
Wait for insurance money
LEDC
Villages isolated for weeks
House washed away
People die of diseases
People starve
Describe a solution that would help to reduce flood effects in Bangladesh
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• Build embankments
• Build dams
• Build flood shelters
• Give flood warnings (sirens / loud speakers)
• Provide emergency help
• Provide after-care (clean water / medicines)
Who is responsible for the rivers in England and Wales?
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The Environment Agency – They monitor rainfall and rivers, predict areas at risk, issue flood warnings and give advice.
What are the names of the rivers responsible for flooding York and Carlisle?
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York – River Ouse
Carlisle – River Eden
What are the names of the 3 major rivers that flow through Bangladesh?
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Ganges
Meghna
Brahmaputra