AS A Level Geography Quiz: Storm Hydrographs

1. Which is not true about storm hydrographs?

They show river discharge for the entire rain season

They show changes in discharge over time

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

They are also known as flood hydrographs

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

Urbanisation

Farming

Deforestation

Reafforestation

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

It is the lowest flow after or before a rain event

It is the lowest flow the river reaches each season

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

It’s the highest discharge a river reaches each season

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

It calculates lag time

It is different from a flood hydrograph

It is built across a river channel to measure storm discharge

It measures peak discharge in metres per second

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

Longer peak discharge

Longer lag time

Lower peak discharge

Shorter discharge

Steeper rising limb

Higher peak discharge

Rising limb becomes less steep

6. Which statement correctly describes the recession limb?

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

It happens twice after each rain event

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

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

It occurs once to discharge during the rain season

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

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

There is no such thing

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

Channel size

River stage

Rock type

Meanders

9. Which is true about storm hydrographs?

They are not really useful to humans

They have to be constructed for each rain event

They only ever need to be constructed once each season

They are all computer-generated animations

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

Vegetation type

Drainage pattern

Drainage density

Slope

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AS A Level Geography Quiz: Storm Hydrographs- Updated 2025

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