Coastal management Flashcards
1
Q
What do groynes do?
A
Interrupt the flow of sediment in longshore drift.
2
Q
What is the best form of natural coastal defence?
A
Beaches, salt marshes and sand dunes
3
Q
What is beach nourishment?
A
When beach sediment is dredged offshore and added back onto the beach. Also, there is a random distribution of pebbles all over the beach, so that angular pebbles at the front of the beach can dissipate wave energy earlier to prevent waves moving as far up the beach.
4
Q
What does a sea wall do?
A
Prevents waves from eroding land after the beach.
5
Q
Who are the ‘stakeholders’ to the Coastline?
A
- Homeowners
- Local council
- Conservation and wildlife organisations
- Local business owners and operators
- Visitors and tourists
6
Q
Why are coasts managed?
A
- To protect against flooding
- To protect against coastal erosion
- To prevent loss of natural scenery and landforms
- To protect valuable land and property
7
Q
What is soft engineering?
A
ee
8
Q
What is hard engineering?
A
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