Simplified notes on 4 case studies which can be used to answer long answer questions on coasts in geography A-level exams. Including key statistics which can easily be used to help improve your essays.
● Groynes cost £150-250 per metre
● Rip-rap costs £1300-6000 per metre
● Sea walls cost £3000-10,000 per metre
Maldives
● The Maldives have an average height of 1.5 m above sea level
● It's highest point is 2.3 m above sea level, and a 50 cm rise would flood
77% of it
● It has a population of 400,000
Bangladesh
● 70% of Bangladesh is less than 10 metres above sea level
● The coastline is mostly delta sediment, unconsolidated and easily eroded
● The area of mangroves forest has decreased by 25%
● Bangladesh experiences many tropical cyclones as it is on the Tropic of
Cancer line.
● In 2007 Cyclone Sidr hit Bangladesh causing 3 million houses to flood.
● 15-20 million people in Bangladesh expected to be forced to relocate due
to sea level rise by 2050.
Holderness
● Holderness in East Yorkshire has the highest rate of coastal erosion in
Europe: 2 metres per year.
● The cliffs there are made of soft rock (clay)
● Holderness does not have a sea wall.
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