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WorksheetsYr8 Flood hydrographs
Total questions: 20
Worksheet time: 10mins
What is the name for the part of the hydrograph where the waters are going up?
Rising limb
Surging limb
Advancing limb
Growing limb
The section of a hydrograph where the water is going down has TWO names:
recessional limb
falling limb
deflationary limb
declining limb
Which type of drainage basin will experience more flooding?
Long and narrow
Round
Which arrives first?
Peak rainfall
Peak discharge
What is the missing word in this explanation?
Capacity
Velocity
Bedload
Gradient
Which is the LEAST likely environment to flood?
V-shape valley
U-shape valley
Floodplain
Drainage basins with high levels of ______ are MOST likely to flood.
Surface runoff
Throughflow
Groundwater flow
What is the name for the process where water flows over the land?
Surface runoff
Infiltration
Groundwater flow
Evaporation
It is better to have a... lag time
Long
Short
The name for a river more likely to flood is
Flashy
Bangy
Boomy
Sparky
Which is more likely to flood?
Upper course (v-shape valley)
Middle course (u-shape valley)
Lower course (floodplain)
What is the name for the level on a hydrograph, above which everything extra is floodwater?
Bankfull discharge
Overflow discharge
Seepage discharge
Critical discharge
Which is more likely to flood?
A rural drainage basin
An urban drainage basin
Which season does snowmelt (which adds extra water into rivers) happen in?
Spring
Summer
Autumn
Winter
What is the name for the imaginary line which marks the edge of a drainage basin?
Watershed
Hydrozone
Wetedge
Precipipause
What is the name for the process where vegetation stops rainfall from hitting the ground?
Infiltration
Interception
Condensation
Percolation
What is the name for rock which won't let water pass through?
Impermeable
Unpermeable
Nonpermeable
Apermeable
What is the missing label on this diagram?
leg time
lag time
leg length
lag length
Drainage basins with high levels of ______ are LEAST likely to flood.
Surface runoff
Throughflow
Groundwater flow
What is the proper spelling for 'previous rainfall'
Antisedent
Antecedent
Anticedent
Antesedent
