Coastal management (new) Flashcards
What is the rate of coastal recession along the holderness coastline?
1-2 m/yr
What has been done in Hornsea and how has it affected Mappleton?
Wooden groynes and beach nourishment
increasing rate of erosion in Mappleton to 4m/yr in 1990s
What was done in 1991 in Mappleton and what was the cost?
rock groynes and cliff reprofiling
£2 million
How was Cowden (3km south) affected by the management in Mappleton?
terminal groyne syndrome ,erosion went from 2.5 – 3.8m/yr between 1997 and
2001
What was done at Easington in order to protect the gas terminal and why was it worth the cost?
rip rap and revetments to protect the gas terminal – expensive but worth it due to high value land (25 % of UK offshore
gas)
How many homes were demolished by the council in Happisburgh?
9
How many housholds will lose there home & community?
35
What are the cliffs mostly made of on the Holderness coast?
Boulder clay
easily eroded and prone to slumping
Why are the beaches narrow along the holderness coastline?
Flamborough head stops sediment
and coastal defences
Why are the waves at the Holderness coast powerful?
Long fetch and coast faces the dominant wave direction
How much was loaned by bangladesh for the Chittagong coastal management?
$60 million
(raised embankments and cyclone shelters)