Geography AQA Unit 1 Coastal Management

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  • Created by: charlotte
  • Created on: 03-06-13 19:06
Case Study for ICZM
Mediterranean
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Method of ICZM
-identify ways it's put under pressure - recommend solutions -put them into place and test them
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Pressures for ICZM case study
-growing industry - development (hotels etc.) -20 countries
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Case Study for fragile environment
Coral reefs, St. Lucia, Caribbean
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Management programme for fragile environment
Soufriere Marine Management Plan
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4 zones for St. Lucia (Soufriere Marine Management Plan)
1. Marine Reserves 2. Recreational 3. Fishing priority 4. Multi Purpose
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Name one Hard Engineering method
Groynes: -prevent longshore drift - expensive to build and maintain. Revetments: -absorb wave energy -need constant refurbishment. Sea Wall: -reflect/reduces wave energy -expensive
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Name one soft engineering method
Managed retreat: -allows sea to flood inland until it reaches a higher land barrier OR Beach Replenishment: addition of new material to beach naturally (preserves a wide, gently sloping beach)
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Case Study for rising sea levels (The response Project)
Ancona, East Italy
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Method of the response project
1. Collect background info (economy, coastal hazards & defences etc.) 2. Assess risk of rising sea levels (hard/soft coastline, rates of erosion, flooding etc.) 3. Offer guidance & make decisions
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Case Study of Shoreline Management Plan (SMP)
UK (split into sediment cells, and then sub cells)
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Criteria and Definitions for SMP
1. Hold the line: maintain existing coastline by building defences. 2. Advance the line: build new defences seaward of exisiting. 3. Managed Retreat. 4. No Intervention
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SMP Key Decisions
1. Where needs protection. 2. What methods to use
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Hard Engineering Case Study
Ventnor, Isle of Wight
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What happens at Ventnor?
the beach is narrow which allows powerful storm waves to cause abrasion
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Name and explain one (of the 3) type of erosion
Abrasion: Waves throw pebbles and cliff face, eroding it. OR Attrition: Force of waves causes sediment to crash into each other and break down OR Hydraulic Action: Force of waves compresses air in cracks in cliffs which causes pressure
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Name and explain one (of the 2) type of weathering
Wetting and Drying: soft rock expands when wet and contracts when dry, this causes the cliff to get weaker over time OR Corrosion: certain types of rock are slowly dissolved by slightly acidic sea water
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Explain Longshore Drift
Where the prevailing wind causes swash to move diagonally and backwash moves at a right angle to the sand
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Other cards in this set

Card 2

Front

-identify ways it's put under pressure - recommend solutions -put them into place and test them

Back

Method of ICZM

Card 3

Front

-growing industry - development (hotels etc.) -20 countries

Back

Preview of the back of card 3

Card 4

Front

Coral reefs, St. Lucia, Caribbean

Back

Preview of the back of card 4

Card 5

Front

Soufriere Marine Management Plan

Back

Preview of the back of card 5
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