holderness coast

Cards (50)

  • What is the annual erosion rate of the Holderness coast?
    About 1 meter per year
  • What are the consequences of erosion on the Holderness coast?
    Land loss, property damage, and environmental impacts
  • What percentage of gas does the Easington gas terminal supply?
    25%
  • What types of coastal management strategies are used on the Holderness coast?
    A mix of hard and soft engineering
  • What are the hard engineering strategies used in Holderness coastal management?
    • Sea walls
    • Groynes
    • Rock armour
  • What are the soft engineering strategies used in Holderness coastal management?
    • Beach nourishment
    • Cliff drainage
  • What conflicts can arise from coastal management strategies?
    • Increased erosion in some areas
    • Disputes over sea defense locations
  • What is the impact of coastal erosion on the environment and settlements?
    • Loss of land
    • Damage to properties
    • Threats to local ecosystems
  • What is the historical significance of land loss on the Holderness coast?
    • 3 miles of land lost since Roman times
  • What are the effects of strong winds and destructive waves on coastal erosion?
    • Accelerate erosion rates
    • Contribute to land loss
  • How does the Holderness coast manage its coastal erosion issues?
    • Combination of hard and soft engineering
    • Specific strategies at different locations
  • What is the focus of episode eight of the coastal landscapes series?
    Holderness and coastal erosion
  • Why is the Holderness coast significant in terms of erosion?
    It has the fastest eroding coastline in Europe
  • How much coastline does Holderness lose on average each year?
    Nearly two meters
  • How much has the Holderness coast retreated since Roman times?
    By four kilometers
  • How many villages have been lost to the sea in Holderness?
    At least 29 villages
  • What are the three main reasons for the coastline retreating in Holderness?
    Geology, fetch, and longshore drift
  • What type of material primarily composes the Holderness coast?
    Boulder clay
  • What is boulder clay also known as?
    Glacial till or drift
  • Why is boulder clay structurally weak?
    It has little resistance to erosion
  • What height do the cliffs at Holderness typically reach?
    Between 5 and 20 meters
  • What geological feature has been created at Flamborough Head?
    A headland
  • What has created features such as cliffs, arches, and stacks along Holderness?
    Erosion along fault lines and bedding planes
  • What does fetch refer to in coastal erosion?
    The distance waves have traveled
  • How far is Holderness exposed to winds and waves from the northeast?
    About 500 to 800 kilometers
  • What is the Atlantic fetch compared to the fetch affecting Holderness?
    5,000 kilometers or more
  • What effect do low-pressure weather systems have on the sea levels?
    They raise sea levels
  • How do waves reach the cliffs at Holderness?
    Without being weakened by friction
  • What type of particles does boulder clay erode to produce?
    Mainly clay particles
  • Why do the beaches at Holderness offer little protection against wave energy?
    They are narrow and lack sand
  • What is the main form of mass movement affecting the boulder cliffs at Holderness?
    Slumping
  • What causes the cracks in the boulder clay cliffs?
    Expansion and shrinkage from wetting and drying
  • What happens to the slumped material at the cliff base?
    It is removed by the sea
  • What is terminal groin syndrome?
    It affects beach material flow due to defenses
  • When was the first sea wall built in Hornsea?
    In 1870
  • How long did the first sea wall last?
    Just six years
  • What was built in 1906 in Hornsea?
    A stronger sea wall
  • What is the purpose of the T-shaped rock armor at Hornsea?
    To allow beach sediment to accumulate
  • What has happened to the cliffs at Mappleton due to coastal defenses?
    They are exposed to wave attack
  • What economic impact has coastal erosion had on Margaret Fincham?
    She lost 100 chalets to the sea