1. Rivers
Lastminutegcsegeographyrevison@kingdown
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2. Preparation before starting this Revision unit you need to have:•Sorted you theory notes and produced a contents page
•Have your case studies completed
Introduction
This unit is to give you 30 minutes of Geography Revision on the Hazards
topic. Work through the tasks and stick to the timings. You could work
through this unit more than once
Resources
You will find these resources useful
Contents page from your files, the supporting PowerPoint presentation (this can be
downloaded to your MP3 player or phone) the topic glossary
Lastminutegcsegeographyrevison@kingdown
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3. You may begin…..
Record down your start time
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What do each of these terms mean?
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Complete the boxes using
the terms from the
previous slide
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Learn these terms
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Storm Hydrographs
Where is
1. The rising Limb
2. The falling limb
3. Basin Lag
4. Peak Flow
5. Base flow
6. Storm Runoff
What is rainfall Intensity ?
Slide 7

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How do these factors affect the Storm Hydrograph ?
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FLOODS Complete the table
Cause
Explanation and Example
Heavy Rain
Flash Flood
Snow melt
Monsoon
Dam Collapse
Urban area
Deforestation
Storm Surge
Hurricane
Tsunami
Sea level rise
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LEDC Case study to illustrate the causes, effects and management of river flooding
Location
Asia Floods
Time and Date
2007
Extent
What happened
Effects on people
Primary
Secondary
Effects on buildings
Primary
Secondary
Effects on Economy
Primary
Secondary
Response Short term
Response Long Term
How was the event
Managed?
Complete this TABLE
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MEDC Case study to illustrate the causes, effects and management of river flooding.
Location
Boscastle
Time and Date
2009
Extent
What happened
Effects on people
Primary
Secondary
Effects on buildings
Primary
Secondary
Effects on Economy
Primary
Secondary
Response Short term
Response Long Term
How was the event
Managed?
Complete this TABLE
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Flood Strategies
Strategy
Example
How it works
Dams
Engineering
Levees
Barriers
Management
Conservation
Restoration
Alter Urban surface
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Weathering Erosion Deposition
Weathering
Mechanical
Chemical
Biological
Erosion
Abrasion
Attrition
Hydraulic action
Solution
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Complete the table
Transport
Description
Bedload
Saltation
Suspension
Solution
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How do the 3 stages differ?
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UPPER COURSE
Name the main processes and the key features of this stage
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MIDDLE COURSE
Name the main processes and the key features of this stage
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LOWER COURSE
Name the main processes and the key features of this stage
Slide 18

19. Time’s Up
Why not try one of the other lastminuteGCSEgeographyrevision courses