Coastal Defences Flashcards
1
Q
Mappleton
A
1991 2 rock groynes each 500m cost 2 million to protect b1242
2
Q
Bridlington
A
4.7km sea wall and timber groynes
3
Q
Withernsea
A
6.3 million sea wall replacement for tourism
4
Q
Holder ness
A
61 km only 11,4 protected
5
Q
Rate of erosion holderness
A
1.8m/yr and 10 at cowden
80 000 square meters of farmland a year
6
Q
Sssi at easington
A
Lagoons with breeding terns, 1% of UK terns
7
Q
Reasons for hard erosion of holderness
A
Fetch 700-800 km Till and flam borough head Coast faces dominant NE wind Low pressure systems Deep ocean floor little friction
8
Q
Easington
A
Revetments