Land Use Changes Affect the Water Cycle (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a plough pan?
What is a plough pan?
A compacted soil layer restricting water
How does terracing affect hydrographs?
How does terracing affect hydrographs?
Subdues them by reducing peak discharge
Which change occurs after urbanisation?
Which change occurs after urbanisation?
Shorter lag time to peak discharge
By 2016, what percentage of London's front gardens had been paved over?
By 2016, what percentage of London's front gardens had been paved over?
50%
What happens to evapotranspiration after localised deforestation?
What happens to evapotranspiration after localised deforestation?
It decreases due to less dense vegetation
At what deforestation level do significant atmospheric feedback effects begin?
At what deforestation level do significant atmospheric feedback effects begin?
20-50% of a basin
How deep are tile drainage tubes typically installed?
How deep are tile drainage tubes typically installed?
60-120 cm below the soil surface
What economic return does tile drainage provide per dollar spent?
What economic return does tile drainage provide per dollar spent?
1.90
What is the mean wind erosion rate from drained soils in England?
What is the mean wind erosion rate from drained soils in England?
0.1 to 2 tonnes per hectare per year
What percentage of chalk stream flow derives from underground aquifers?
What percentage of chalk stream flow derives from underground aquifers?
Up to 95%