Holderness Coast

• Holderness coast


  soft boulder clay, cliffs eroding quickly
• Effects of erosion in the holderness coast


  -2 m lost each year

  -since Roman times 29 villages have been lost

  -in 1967, a storm caused 10 m of land loss in one night
• Hornsea


  -Area dependent on tourism

  -Fixed coastline since the 1900s

  -sea defences, large groins, rock armour, seawall
• Mappleton


  -2 m per year, land loss

  -1991, two rock groynes and a 500 meter rock revetment were built

  -further south erosion has increased as material is not being replaced
• Cowden


  -sediment starvation caused these cliffs to erode

  -2.5 m (1991) to 3.8 m (2007)

  -Terminal groin syndrome, happens when groyne are removed