Coastal management (new)

Question 1

What is the rate of coastal recession along the holderness coastline?

Answer 1

1-2 m/yr

Question 2

What has been done in Hornsea and how has it affected Mappleton?

Answer 2

Wooden groynes and beach nourishment
increasing rate of erosion in Mappleton to 4m/yr in 1990s

Question 3

What was done in 1991 in Mappleton and what was the cost?

Answer 3

rock groynes and cliff reprofiling
£2 million

Question 4

How was Cowden (3km south) affected by the management in Mappleton?

Answer 4

terminal groyne syndrome ,erosion went from 2.5 – 3.8m/yr between 1997 and
2001

Question 5

What was done at Easington in order to protect the gas terminal and why was it worth the cost?

Answer 5

rip rap and revetments to protect the gas terminal – expensive but worth it due to high value land (25 % of UK offshore
gas)

Question 6

How many homes were demolished by the council in Happisburgh?

Answer 6

9

Question 7

How many housholds will lose there home & community?

Answer 7

35

Question 8

What are the cliffs mostly made of on the Holderness coast?

Answer 8

Boulder clay
easily eroded and prone to slumping

Question 9

Why are the beaches narrow along the holderness coastline?

Answer 9

Flamborough head stops sediment
and coastal defences

Question 10

Why are the waves at the Holderness coast powerful?

Answer 10

Long fetch and coast faces the dominant wave direction

Question 11

How much was loaned by bangladesh for the Chittagong coastal management?

Answer 11

$60 million
(raised embankments and cyclone shelters)