4.1 Portballintrae Flashcards
(5 cards)
1
Q
How many people on Causeway Coast?
A
734 people
2
Q
Factors increasing coastal recession?
A
- 2000km wave fetch from Atlantic
- Rapid growth of homes, expensive bungalows
- Huge amounts of beach removal
3
Q
Why was hard engineering implemented in PBT?
A
- Waves diffracting around Leslie’s Pier = prevented waves from depositing sediment in bay, disrupting natural LSD process
4
Q
What were the hard engineering strategies used in PBT and how effective were they?
A
- Groynes built throughout 1900s - havent helped beach to recover
- Sand nourishment - hasn’t worked, beach continues to degrade
5
Q
Why haven’t the groynes been removed as per scientific advice?
A
- Controverisal for owners of high-value properties at top of cliff, feel less protected - lack of trust, unstable government