Managment of holderness coastline Flashcards
What is the total length of the Holderness coastline currently protected by hard engineering?
11.4 km out of 61 km
What types of protection are used in Bridlington?
4.7 km of sea wall and timber groynes
What protective measures are in place for Hornsea village?
Concrete sea wall, timber groynes, and rip rap
What was built in Mappleton in 1991 and what was its cost?
Two rock groynes and a 500m long revetment costing £2 million
What infrastructure does the Mappleton protection scheme aim to protect?
The village and the B1242 coast road
What protective measures were built in Withernsea?
Groynes, sea wall, and rip rap
What event caused damage to the protective structures in Withernsea?
Severe storms in 1992
What protects the Easington gas terminal?
A revetment
What types of protection are used at the eastern end of Spurn Head?
Groynes and rip rap
What is the effect of groynes on sediment flow?
They trap sediment, increasing erosion downdrift
What is the consequence of reduced sediment flow to the Humber estuary?
Decreasing tidal mudflats, leading to potential flooding issues
What geological feature is forming due to the protection schemes?
Bays
What may increase pressure on headlands as a result of protection schemes?
Formation of bays
True or False: Many of the coastal protection schemes are considered sustainable.
False
