AS A Level Geography Quiz: Storm Hydrographs

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

It is different from a flood hydrograph

It calculates lag time

It measures peak discharge in metres per second

It is built across a river channel to measure storm discharge

2. Which is true about storm hydrographs?

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

They are not really useful to humans

3. Which is not true about storm hydrographs?

They are also known as flood 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

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

River stage

Rock type

Meanders

Channel size

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

Urbanisation

Reafforestation

Farming

Deforestation

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

Longer lag time

Higher peak discharge

Shorter discharge

Lower peak discharge

Rising limb becomes less steep

Longer peak discharge

Steeper rising limb

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

It is the lowest flow the river reaches each season

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

8. 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 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 occurs once to discharge during the rain season

There is no such thing

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

Slope

Drainage density

Drainage pattern

Vegetation type

10. Which statement correctly describes the recession limb?

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

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

None of the above

It happens twice after each rain event

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AS A Level Geography Quiz: Storm Hydrographs- Updated 2024

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