mappleton

• Mappleton lies approximately 3km south of Hornsea on the Holderness Coast, East Yorkshire. The village of around 50 properties has been subject to intense erosion at a rate of two metres per year.
• Mappleton lies upon boulder clay that is soft and erodes very quickly. This material was deposited by glaciers during the last ice age 18,000 years ago.
• In 1991 almost £2 million was spent on two rock groynes and a rock revetment to protect Mappleton.
• In Mappleton, rock armour was placed at the base of the cliffs between the groynes to absorb wave energy during storm conditions, protecting the cliffs’ base from erosion.
• In Mappleton, the coastal defences have been effective in reducing erosion between the two groynes. As a result of these coastal management strategies, a substantial beach has been retained between the groynes.
• Despite the coastal defences protecting Mappleton, the erosion rate has increased significantly further south. 
• The Holderness Coastline is one of Europe’s fastest eroding at an average annual rate of around 2 metres. This is around 2 million tonnes of material every year.