F4 Core 2 Hydrograph
Presentation
•
Geography
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10th Grade
•
Medium
Miss vchow
Used 14+ times
FREE Resource
95 Slides • 44 Questions
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Multiple Choice
Do you think this storm hydrograph indicates that the river floods? or does not floods?
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This storm hydrograph indicates that the river floods. Why?
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How long did the water take to overflow the banks after the rain stopped?
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Do you still remember what could increase the base flow?
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p.34 2019 DSE Q9
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p.31 2017 DSE Q14
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p.17 2008 CE Q44
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The rain started at 0 hr.
The rain was the heaviest at _____hr.
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The discharge of the river started to increase at ____ hr.
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The first water to reach the river will come from ______.
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The highest discharge was recorded at _____hr.
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The peak discharge was _____________ m3/s
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Do you think flooding will occur?
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How long did flooding last?
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Multiple Select
The falling limb is usually gentler than the rising limb because ...
most of the surface runoff has now been discharged. It is mainly _____ and _____ supply water to the river at this stage.
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Poll
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Which direction of erosion can increase the capacity of the river?
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The drainage basin with ____________ may flood more easily.
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Characteristics of hydrograph
Drainage basin with impermeable land surface
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Characteristics of hydrograph
Drainage basin with impermeable land surface
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Characteristics of hydrograph
Drainage basin with impermeable land surface
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Characteristics of hydrograph
Drainage basin with impermeable land surface
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Characteristics of hydrograph
Drainage basin with impermeable land surface
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Type answer...
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Open Ended
ii. The picture shows the lower course of the river. It is because .... (give some photo evidence)
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Multiple Choice
What are the changes after channelization?
The channel becomes ____________.
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What are the changes after channelization?
The channel becomes wider. So the water holding capacity has been .............
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What are the changes after channelization?
The channel becomes ............
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What are the changes after channelization?
The channel becomes deeper. Because ___________ has been carried out.
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Type answer...
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Drainage Services Department - River Revitalisation for the Good of Water
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Google Maps
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