2.9A Local factors that increase Coastal flooding

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local factors increasing the risk of flooding:
height
subsistance
vegetation removal
height:
Low lying coastlines are at risk of flooding
Temporary flood risk from storm surges, permanent flooding from global sea level rise
e.g. Bangladesh and Tuvalu
Subsistance:
Low lying coastlines in estauries, deltas or outbuilding zones are subject to natural subsidence through the settling and compaction of recently deposited sediment
Deltas experience periodic isostatic subsidence
vegetation removal:
salt marshes and mangrove forest, reduces flood risk
Vegetation stabilises existing sediment and traps new sediment, raising the height of the land above sea level
Vegetation absorbs wave energy, reducing wave impact and erosion

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2.9A Local factors that increase Coastal flooding

Cards (4)

4.3.2 Flooding

1.1.2.2 Coastal Landforms

2.3. Coastal Landforms

1.1.2 Coastal Landscapes

3.1.1.2 Coastal Landscapes

2.1. Coastal Systems

1.1.2.1 Coastal Processes

2.2. Coastal Processes

1.1.2.3 Coastal Management

3.2.3.1 Coastal Management

2.4. Coastal Management

2. Coastal Systems and Landscapes

OCR A-Level Geography

AQA A-Level Geography

Edexcel A-Level Geography

1.1.2 Coastal Landscapes and Processes

2.2 Coastal Landscapes and Change

4.1.3 Factors Contributing to Increased Globalisation

Unit 5: Factors That Impact the Quality of Life

Unit 5: Factors That Impact the Quality of Life

Unit 5: Factors That Impact the Quality of Life