Holderness coast, UK Flashcards
MOCK YEAR 2
What is the population along the Holderness coast?
70 million
Why is the Holderness retreating?
Geology: cliffs and rock is made out of soft bolder clay which is structurally weak.
Fetch: large fetch 500/800km, exposed to wind and waves from North East.
Physical factors
Fastest eroding coast in the UK, through glacial deposits + storms
How many villages have been lost?
30
Hard engineering for Easington
Sea walls, groynes and rock revetment
What is Easington home to?
A gas terminal
Hard engineering Mappleton
Groynes
What does the community do in Mappleton?
CBA- cost benefit analysis
Hard Engineering in Withernsea
Sea wall and rip rap
Soft engineering in Spurn head + …
Do nothing + …spit
POSITIVES
Where hard engineering has been applied is effective, the soft engineering looks natural and is low on costs.
NEGATIVES
Terminal groyne system in Mappleton: sediment builds up on one side, starves the other.
It’s too expensive to protect all areas- have to prioritise areas over others.
