holderness management Flashcards
where does the holderness stretch from?
flamborough head to spurn point
how many villages have been lost?
30
what rate does it erode each year?
1.8 metres - fastest eroding in UK
how much does it cost for protection?
£10,000 per metre
what strategies have they used at mappleton?
regrade cliffs, groynes and sea walls
what occurred in 2002 at mappleton?
slumping of the cliffs and cliffs below car parks eroded
what is the holderness exposed to?
long arctic fetch
boulder clay cliffs
rip currents
narrow beach
what was done at withernsea?
groynes, sea wall and beach nourishment as beach gone
how much did it cost at withernsea?
£6.3 million
what happened at great cowden and castle farm?
eroding at 10m a year due to groynes elsewhere
whats at hornsea?
sea walls, groynes and rock armour
what analysis was done?
cost benefit
