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- 1. Multiple Choice
What is the equation for calculating river discharge?
Discharge = (cross-sectional) area x (average) velocity
Discharge = (cross-sectional) area / (average) velocity
Discharge = time x (average) velocity
- 2. Multiple Choice
Define the term Drainage Basin
an area or ridge of land that separates waters flowing to different rivers, basins, or seas.
Area of land that is drained by a river and its confluences
Area of land that is drained by a river and its tributaries
- 3. Multiple Choice
Is the hydrological cycle an open or closed system?
Open
Closed
- 4. Open Ended
Define the term Potential Evapotranspiration (EVT)
- 5. Multiple Choice
What are the two types of hydrographs we learn about?
Raster Hydrograph
Annual hydrograph (river regime)
Storm/ Flood hydrograph
Direct Runoff hydrograph
- 6. Open Ended
What does the time lag show on a storm hydrograph
- 7. Multiple Choice
Which of the following is a factor that affects hydrographs (select all that apply):
quantity/ type of vegetation
land use
rock type
all of the above
- 8. Multiple Choice
What effect does urbanisation on hydrographs have on the peak flow and time lag
INCREASES peak flow and DECREASES time lag.
DECREASES peak flow and INCREASES time lag.
- 9. Open Ended
What are the ways load is transported in a river (list all 4)
- 10. Multiple Choice
What does the Hjulstorm Curve show
the relationship between stream velocity and ability of river processes on particular sized particles
Shows how over time a river changes
Shows the amount of work a river does
Shows how much time the load takes to be transported to the mouth of a river.
- 11. Open Ended
What are the 3 patterns of flow (list all 3)
- 12. Multiple Choice
How do meanders change over time?
As they travel further downwards, the meanders becomes narrower
May migrate sideways leading to the formation of floodplains
As they migrate downwards, they may eventually turn into waterfalls/gorges
Meanders migrate downstream and erode river cliffs (outer bank)
- 13. Multiple Choice
What landform is this?
meander
delta
gorge
flood plain
- 14. Multiple Choice
How may waterfalls change overtime?
may develop a delta at their base
may develop a gorge
No changes
- 15. Multiple Choice
What kind of flow is this?
laminar
turbulent
saltation
helicoidal
- 16. Multiple Choice
Where do flood plains form?
banks of a river
at the mouth of a river
at the base of a river
adjacent to a river
- 17. Multiple Choice
What case study do we use for Rivers
Amazon
Nile
Bangladesh
Mississippi river
- 18. Multiple Choice
Which fact is true about the River Ganges case study
River Ganges is located in southern India
75% of the country is no higher than 5 meters above sea level
50,000 hectares of crops destroyed
2.8 billion dollars of damage was done due to flooding
- 19. Multiple Choice
What is this called?
Tributary
Confluence
Mouth of a river
Distributary
- 20. Multiple Choice
Select all that are depositional landforms of a river (select three
flood plains
pools and riffles
delta
waterfall
ox bow lake
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