holderness case study

• highest rate of erosion - 1-2 metres washed away per year
• 29 lost villages to sea
• farmers crops disappear
• no protection for cliff at high tide from waves
• sand = main defence
• cliffs are made of rock called Till (clay with rocks in it)
• build sea defences = cheaper then moving main road
• wall built - sand build up - sand takes all the energy from the waves - protection
• sea defences - 20 metres of land lost in 1 year due to defences
• the sea defences cause more problems down the beach
• location and sea defence ; Hornsea

  • Hornsea is a tourist town with sea defences
  • wooden groynes
  • rock armour
  • flat, concrete sea wall
• location and sea defence : Mapleton

  • village with farm land, cliffs vulnerable to slumping
  • granite boulder groynes
  • rock armour
• location and sea defences; Withernsea

  • wooden groynes
  • curved sea wall
  • rock armour
• location and sea defences; Flamborough head

  • headlands and bays
  • caves, arches, sacks and stumps
  • cliffs = chalk - weathering - slumping
  • biodiversity
• location and sea defence; Skipsea

  • tourist site - no defences
  • badly effected by coastal erosion