Human Interference with Coasts (Leaving Cert Geography): Flashcards
📚Flashcards
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Practise the cards
15 cards from this deck
Longshore drift
Longshore drift
Natural process moving sand/sediment along coastlines
Dredging
Dredging
Scooping mud/sediment from river, harbour, or sea bottom
When were Dublin's Bull Walls built?
When were Dublin's Bull Walls built?
1818-1825
Bull Island dimensions
Bull Island dimensions
5km long, 700m wide
When did Bull Island become a bird sanctuary?
When did Bull Island become a bird sanctuary?
1930
Marram grass coastal function
Marram grass coastal function
Anchors sand dunes with root system
Ireland's coastline length
Ireland's coastline length
3,171 kilometres
Sea wall curved top purpose
Sea wall curved top purpose
Deflects breaking waves back to sea
Gabions structure
Gabions structure
Steel mesh cages filled with stones
Groynes function
Groynes function
Trap sediment, prevent beach erosion
Soft structures characteristic
Soft structures characteristic
Environmentally friendly, temporary methods that repair damage
Beach nourishment method
Beach nourishment method
Adding new sand to beaches
Storm Darwin damage cost
Storm Darwin damage cost
Over €6 million
Storm Darwin year
Storm Darwin year
2014
2017 Lahinch protection cost
2017 Lahinch protection cost
€2.85 million