slide 1 lastminutegcsegeographyrevison@kingdown. slide 2 lastminutegcsegeographyrevison@kingdown...
TRANSCRIPT
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Slide 1Lastminutegcsegeographyrevison@kingdown
Rivers
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Slide 2Lastminutegcsegeographyrevison@kingdown
Preparation before starting this Revision unit you need to have:-•Sorted you theory notes and produced a contents page•Have your case studies completed
IntroductionThis 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
ResourcesYou will find these resources usefulContents page from your files, the supporting PowerPoint presentation (this can be downloaded to your MP3 player or phone) the topic glossary
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Slide 3
You may begin….. Record down your start time
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Slide 4
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What do each of these terms mean?
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Slide 5
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Complete the boxes using the terms from the previous slide
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Slide 6
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Learn these terms
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Slide 7
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Storm HydrographsWhere is1. The rising Limb2. The falling limb3. Basin Lag4. Peak Flow5. Base flow6. Storm Runoff
What is rainfall Intensity ?
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Slide 8
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How do these factors affect the Storm Hydrograph ?
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Slide 9
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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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Slide 10
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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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Slide 11
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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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Slide 12
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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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Slide 13
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Weathering Erosion Deposition
WeatheringMechanical
Chemical
Biological
ErosionAbrasion
Attrition
Hydraulic action
Solution
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Transport Description
Bedload
Saltation
Suspension
Solution
Complete the table
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Slide 15
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How do the 3 stages differ?
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Slide 16
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UPPER COURSE
Name the main processes and the key features of this stage
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Slide 17
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MIDDLE COURSE
Name the main processes and the key features of this stage
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Slide 18
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LOWER COURSE
Name the main processes and the key features of this stage
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