Coastal Management (AQA A-Level Geography): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
3 main threats to coastal areas
3 main threats to coastal areas
Erosion, flooding & sea level rise
2 primary aims of coastal management
2 primary aims of coastal management
Defence against flooding & protection from erosion
Saltwater intrusion in rivers
Saltwater intrusion in rivers
Seawater mixes w/ fresh water, pushed upstream by sea level rise
Managed retreat definition
Managed retreat definition
Allowing natural erosion to continue without defending the area
Soft engineering definition
Soft engineering definition
Uses natural coastal systems (beaches, dunes, marshes) for defence
Examples of soft engineering (3)
Examples of soft engineering (3)
Beach nourishment, dune restoration, salt marsh conservation
Hard engineering definition
Hard engineering definition
Physical alterations using resistant materials like concrete
Examples of hard engineering structures (3)
Examples of hard engineering structures (3)
Sea walls, revetments, groynes
Materials used in hard engineering (4)
Materials used in hard engineering (4)
Concrete, boulders, wood, metal
When hard engineering is justified
When hard engineering is justified
High-value infrastructure at risk & protection cost < damage cost