Coasts - North Yorkshire, Holderness Coast CS - HE Flashcards
Where do the predominant winds come from?
The North East
How much material is deposited at spurn point?
3%
Where does the eroded material travel?
Southwards
Why is coastal management needed?
- Protect economic assets -> tourism/gas terminal/port
- Protect residential areas
- To appease citizens campaigns
- To address previous management issues
- To manage retreat the line
- To protect SSSI
What type of geology is at the Holderness coastline?
- Boulder clay + glacial till
- Limited sediment replacement
What type of fetch and waves occur here?
- Long fetch
- Strong destructive waves
What are the beaches like on the Holderness coastline?
Small + narrow
By how much is the Holderness eroding?
2 m/yr
How many shoreline management plans are there in the UK?
22
What protection is put in place in Scarborough?
- Protecting £300 million assets from £25.7 million coastal defence schemes
What are the key places along the Holderness coastline receiving management?
- Bridlington
- Skipsea
- Hornsea
- Mappleton
- Withernsea
- Easington
What management at Bridlington?
Groynes
What management at Skipsea?
- Limited defences protect residential properties
- No groynes, limited beach material arrives
What management is implemented at Hornsea?
- Sea wall protecting holiday resort with a promenade and hotel frontage
- Wooden Groynes repaired and built at a cost of £5.2 million
Why is it important to protect Mappleton?
- Protection of the B1242 road - tourism
- High rates of erosion at Mappleton >2m a year
- Cowden Farm and Grange Farm at risk
- 30 homes need protecting