AS A Level Geography Quiz: Storm Hydrographs

1. Which land uses affects the shape of a storm hydrograph? Select all the right answers.

Farming

Urbanisation

Deforestation

Reafforestation

2. Which statement correctly describes what a rising limp is?

It occurs once to discharge during the rain season

There is no such thing

It shows increasing river discharge after a rain/precipitation event in the basin

It is the tributary with the highest discharge in the drainage basin

It’s the highest discharge reached by a river after a rain/precipitation event in the basin

3. Which of the following does not affect the shape of a storm hydrograph?

Drainage pattern

Slope

Vegetation type

Drainage density

4. What is a storm hydrograph? Select all the correct answers

It is different from a flood hydrograph

It measures peak discharge in metres per second

It is built across a river channel to measure storm discharge

It calculates lag time

5. How does urbanisation affect the shape of a hydrograph? Choose all the right answers.

Longer lag time

Higher peak discharge

Steeper rising limb

Rising limb becomes less steep

Longer peak discharge

Lower peak discharge

Shorter discharge

6. Which is not true about storm hydrographs?

They show changes in discharge over time

They show lag time after an event before peak discharge is reached

They show river discharge for the entire rain season

They are also known as flood hydrographs

7. Which statement correctly describes the recession limb?

It happens twice after each rain event

It is when the river recedes upstream after a rain/precipitation event

None of the above

It is when the river’s discharge falls after reaching a peak discharge

8. Which is true about storm hydrographs?

They only ever need to be constructed once each season

They are not really useful to humans

They have to be constructed for each rain event

They are all computer-generated animations

9. Which of the following affects the shape of a storm hydrograph?

Rock type

Channel size

River stage

Meanders

10. What is peak flow as shown on a storm hydrograph?

It is the highest flow after a precipitation event in the river channel

It is the lowest flow after or before a rain event

It’s the highest discharge a river reaches each season

It is the lowest flow the river reaches each season

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AS A Level Geography Quiz: Storm Hydrographs- Updated 2025

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