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There are many reasons why a river floods. Draw a line to link each cause of flooding to the correct explanation.

1. Deforestation
- If trees are removed, there is less interception and infiltration.

2. Previous weather
- The more saturated the soil, the less infiltration can take place.

3. Rock type
- Impermeable rock leads to greater overland flow.

4. Relief
- Steeper gradients lead to faster overland flow.

5. Heavy rainfall
- The infiltration capacity is quickly exceeded, and overland flow takes place.

6. Urbanisation
- Concrete and tarmac are impermeable and lead to more overland flow.

Sagot :

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Final answer:

Deforestation reduces infiltration and increases overland flow. Heavy rainfall saturates soil, decreasing infiltration. Urbanization with impermeable surfaces leads to more overland flow.


Explanation:

Deforestation: If trees are removed, there is less interception and infiltration, leading to more overland flow.

Heavy rainfall: The more saturated the soil, the less infiltration can take place, resulting in overland flow.

Urbanization: Concrete and tarmac are impermeable, leading to more overland flow as they prevent water infiltration.


Learn more about Causes of River Flooding here:

https://brainly.com/question/38027797


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