The causes of flooding
I can describe the human and physical causes of river flooding.
The causes of flooding
I can describe the human and physical causes of river flooding.
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Lesson details
Key learning points
- Floods occur when a river receives more water than the channel has capacity for.
- Heavy and prolonged rainfall are the main physical causes of flooding.
- Other physical causes of flooding are the shape and geology of the drainage basin.
- Deforestation and urbanisation are the main human causes of flooding.
Keywords
Prolonged rainfall - continuous rainfall that lasts for longer than expected
Relief - the physical shape of the land in an area, including its height and steepness
Geology - the physical structure of an area and what rocks and minerals exist there
Deforestation - the complete removal of trees from an area
Urbanisation - the increase in the proportion of people living in towns and cities rather than the countryside
Common misconception
Flooding is only caused by physical factors such as heavy rainfall.
Human factors can lead to flooding too, such as deforestation.
To help you plan your year 9 geography lesson on: The causes of flooding, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 9 geography lesson on: The causes of flooding, download all teaching resources for free and adapt to suit your pupils' needs.
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Explore more key stage 3 geography lessons from the Rivers: How do rivers shape the land? unit, dive into the full secondary geography curriculum, or learn more about lesson planning.
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