Holderness- Coastal Management Flashcards
How much of the Holderness coastline has been protected by hard engineering?
11.4km
Why has hard engineering been installed along Holderness?
To try to reduce the effects of erosion
Which 2 strategies are at Bridlington?
Sea wall
Wooden groynes
How long is the sea wall at Bridlington?
4.7km
Which 3 strategies are at Hornsea?
Sea wall
Groynes
Rock armour
What do the strategies at Hornsea protect?
The village from flooding and erosion
Which 3 strategies are at Withernsea?
Groynes
Sea wall
Rock armour
Why was the rock amour installed at Withernsea?
As the sea wall was damaged by severe storms in 1992
Why were the groynes installed at Withernsea?
To widen the beach
Which strategy is at Mappleton?
(2) Rock groynes
What do the rock groynes at Mappleton protect?
The village and coastal road from erosion and flooding
How much did the 2 rock groynes cost at Mappleton?
£2 million
When were the 2 rock groynes installed?
1991
Which 2 strategies protect Spurn Head (and the Humber Estuary)?
Groynes
Rock armour
What problem have groynes caused?
Narrower beaches further down Holderness coast
Name on place that is at risk of falling into the sea because of the increased erosion due to groynes?
Cowden Farm (south of Mappleton)
Why have the strategies increased the risk of the Humber Estuary flooding?
Less material is being transported and deposited, which would slow down flood water
Why is Spurn Head at risk of being eroded away?
Less new material is being added to it
What’s forming between protected areas of the coastline?
Bays
What are protected areas forming?
Headlands
Why is maintaining defences becoming more expensive?
As the newly forming headlands are being eroded more heavily
Which coast has now got an increased rate of coastal retreat as less new material is being added?
Lincolnshire Coast
