Dune regeneration and Beach Nourishment

• Why is soft engineering becoming more popular?

  It is less expensive than hard engineering
• What is beach nourishment?

  Adding material back onto the beach
• What type of waves primarily cause erosion?

  Destructive waves
• How is material added to the beach during nourishment?

  Using a barge to fire sand and shingle
• What is the cost of beach nourishment per 100 meters?

  £500,000
• What is dredging in the context of beach nourishment?

  Removing material from harbors or shallow seas
• How does longshore drift relate to beach nourishment?

  It moves material along the coast
• What happens to the material moved by longshore drift in beach nourishment?

  It is relocated from surplus to deficit areas
• What is a benefit of beach nourishment for local economies?

  It attracts tourists to the beach
• What is a drawback of beach nourishment?

  It requires constant maintenance and renewal
• What is sand dune regeneration?

  • Stabilizing sand dunes with maram grass
  • Using dune fencing to encourage dune formation
• What is maram grass known for?

  It grows near the sea and stabilizes sand
• What is the purpose of dune fencing?

  To encourage sand dune formation and stability
• What is the cost of dune fencing per 100 meters?

  £1,000
• How do maram grass roots help sand dunes?

  They stabilize the sand and prevent erosion
• What is the cost of planting maram grass per 100 meters?

  £200
• What is a positive aspect of sand dune regeneration?

  It maintains a natural environment
• What is a negative aspect of sand dune regeneration?

  They can be damaged by storms
• What are the positives and negatives of beach nourishment and sand dune regeneration?

  Positives:

  • Beach nourishment is relatively cheap
  • Attracts tourists
  • Maintains natural appearance
  • Sand dune regeneration maintains natural environment

  
  

  Negatives:

  • Beach nourishment requires constant renewal
  • Sand dunes can be damaged by storms