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- 1. Multiple Choice
What is the area of land surrounding a river called, from where it collects rain?
drainage basin
stream
hills
fields
- 2. Multiple Choice
Why does urbanisation cause increased flooding?
building roads and houses means the ground becomes impermeable.
building roads and houses means the ground becomes permeable.
- 3. Multiple Choice
On a hydrograph what is shown by the blue line labelled at 1?
river discharge (flow)
rainfall
amount of sunshine
- 4. Multiple Choice
Discharge is the volume of water flowing down a river in cumecs which means...
cubic metres per second
column of water passing a point
stream depth in centimetres
force of the flow
- 5. Multiple Choice
Line 1 on a hydrograph shows a...
rising river discharge
falling river discharge
peak discharge
steady discharge
- 6. Multiple Choice
Line 2 on a hydrograph shows a...
rising river discharge
falling river discharge
peak discharge
steady discharge
- 7. Multiple Choice
Line 3 on a hydrograph shows a...
rising river discharge
falling river discharge
peak discharge
steady discharge
- 8. Multiple Choice
Label 1 shows the time between peak rainfall and peak discharge. This is called...
lag time
delay time
past time
lazy time
- 9. Multiple Choice
The highest river level reached after heavy rain is called...
peak discharge
normal flow
drought
peak rainfall
- 10. Multiple Choice
If the land is covered in trees, rainwater will reach the river .................... .
more quickly
more slowly
- 11. Multiple Choice
If the land is covered in houses, roads and factories, the rainwater will reach the river...
more quickly
less quickly
- 12. Multiple Choice
Impermeable rock is one which...
does not let water pass through
lets water pass through
- 13. Multiple Choice
When rainfall is very heavy and lasts a long time there will be.......
more surface runoff
less surface runoff
- 14. Multiple Choice
If the land is frozen...
rain will not sink in and rivers can flood more easily
rain will sink in quickly and reduce river flooding
- 15. Multiple Choice
On a hydrograph, what is shown as a bar chart?
discharge
rainfall
lag time
baseflow
- 16. Fill in the Blank
What is the name from the time between peak rainfall and peak discharge?
- 17. Multiple Choice
True or false- Forest cover reduces interception leading to a low, flat hydrograph.
true
false
- 18. Multiple Choice
True or false- Light rainfall will transfer to a river slowly
True
false
- 19. Multiple ChoiceThe image shows a hydrograph. How long did the rainfall event last?6 hours1 day4 hours1 hour
- 20. Multiple ChoiceHow long was the lag time?1 day2 days6 hours10 hours
- 21. Multiple ChoiceThe two hydrographs show an urban and forest area. Which one shows an urban area?AB
- 22. Multiple ChoiceThe graphs show two catchment areas. One has a permeable surface and the other has an impermeable surface. Which one shows the impermeable surface?AB
- 23. Multiple ChoiceTrue or False? Anything that will increase surface runoff and reduce infiltration and evapotranspiration will cause more flooding by streams.TrueFalse
- 24. Multiple ChoiceThe movement of water from the surface into the soilInfiltrationPercolationThroughflowGroundwater flowThroughfall
- 25. Multiple ChoiceThe movement of water from the soil down into the bedrockInfiltrationPercolationThroughflowGroundwater flowThroughfall
- 26. Multiple ChoiceThe movement of water downslope within the soilInfiltrationPercolationThroughflowGroundwater flowThroughfall
- 27. Multiple ChoiceThe movement of water downslope within the bedrockInfiltrationPercolationThroughflowGroundwater flowThroughfall
- 28. Multiple Choice
A storm hydrograph is
a graph showing the discharge of a river around a particular storm event
a graph showing monthly average river discharge
a graph showing rates of infiltration rates following a storm
a graph showing changes in the size of stores
- 29. Multiple ChoiceThe name of the water storage on vegetationInterceptionSoilGroundwaterSurface
- 30. Multiple ChoiceThe movement of water from trees to the surfaceInfiltrationPercolationThroughflowGroundwater flowThroughfall
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