Flashcards
holderness coastline cliff collapse
Cards in this deck (6)
- 1Facts about holdernessfastest eroding stretch of coastline in europe
61 km long
stretches from flamborough head to spurn head (spit)
Erosion-cliff collapse, @great cowden retreating at 1.8m per year. rate of erosion over 10m per year previously - 2Why is holderness at risk of cliff collapseGeology-boulder clay (sands and gravels). When wet it slumps. easily eroded.Sea level rise
Fetch-faces prevailing wind-powerful waves from north east&it's exposed
approaching waves-long fetch over north sea-destructive waves. narrow beaches-longshore drift.groynes built at mappleto - 3effects on peopleproperty prices plummet-people can't sell and may have to pay demolition costs
homes at risk of falling into the sea
80,000m2 farmland lost a year. roads collapse. Businesses threatened such as caravan sites - 4environmental effects of cliff collapsesome sites of special scientific interest are threatened e.g. lagoons near easington
lagoons only separated from sea from a narrow band of shingle
if shingle strip eroded-lagoons will be destroyed - 5coastal management11.4 km of holderness protected by hard engineering.Bridlington-4.7km sea wall and wooden groynes. Hornsea-sea wall, wooden groynes and rock armour
Mappleton-defences including two rock groynes-1991. £2 million. protect erosion and flooding - 6coastal defences at withernsea and eastern side of spurn headgroynes-wider beaches&sea wall. rock armour placed in front of wall after damaged by storms in 1992.
eastern side of spurn head protected by groynes and rock armour
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- GCSE Geography Flashcards on holderness coastline cliff collapse, created by Peter Fitzroy on 21/05/2016.
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- Peter Fitzroy
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