Co - Happisburgh + Sea Palling Management Flashcards

0
Q

Give 5 examples of Costal management used at Happisburgh and Sea Palling (both human and natural defences)?

A
.Revetements
.Groynes
.Rock armour
.Sand dunes
.Sea walls
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Where are Happisburgh and Sea Palling located?

A

In Norfolk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

In Happisburgh, which specific area has been eroded particularly?

A

The area near the lighthouse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What had been done near the lighthouse in Happisburgh to reduce costal erosion and how long did it take for these features to be destroyed?

A

Groynes and Revetements were used, and they were built in 1998, and destroyed by 2009

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How does ‘rock armour’ work to minimise costal erosion?

A

They work by taking the energy from the waves, and they don’t erode fast themselves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

When and why did the rock armour at Happisburgh stop serving it’s purpose?

A

In 2013, and because the sea level had gone over the rocks, so the sea could still erode the cliffs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is an example of a natural defence used to minimise costal erosion at Sea Palling?

A

Sand dunes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How do sand dunes and sea walls work at Sea palling?

A

They work by diffracting the waves which create create areas of low energy, (lowering the average energy of the wave) which leads to deposition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly