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 are also known as flood hydrographs

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

They show changes in discharge over time

2. Which statement correctly describes the recession limb?

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

None of the above

It happens twice after each rain event

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

3. Which is true about storm hydrographs?

They are all computer-generated animations

They only ever need to be constructed once each season

They have to be constructed for each rain event

They are not really useful to humans

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

It occurs once to discharge during the rain season

There is no such thing

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

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

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

Channel size

Meanders

Rock type

River stage

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

Drainage pattern

Drainage density

Slope

Vegetation type

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

Deforestation

Reafforestation

Farming

Urbanisation

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

Longer lag time

Lower peak discharge

Longer peak discharge

Rising limb becomes less steep

Shorter discharge

Steeper rising limb

Higher peak discharge

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

It’s the highest discharge a river reaches each season

It is the lowest flow after or before a rain event

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

It is the lowest flow the river reaches each season

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

It calculates lag time

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

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AS A Level Geography Quiz: Storm Hydrographs- Updated 2024

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