coasts case studies

• What Is the local coast case study

  Holderness Coast
• Where is the Holderness located

  East coast of England
• What is the geology at the holderness coast


  Soft boulder clay that erodes rapidly
• Waves at the Holderness

  Waves are destructive from the North Sea
• Role of longshore drift at the Holderness

  Moves sediment southward, starving some areas
• Landscapes of erosion at Holderness

  • Headlands - Flamborough Head
  • Wave cut platforms - North Landing and Sewerby
  • Retreating Cliffs - Skirpersea, Barnston, Mappleton
• What is the erosion rate at the Holderness

  1.8-2m per year
• Landscapes of deposition at Holderness

  • Spit - Spurn Point
  • Sand dunes - Spurn Point and Humber Estuary
  • Beaches - Hornsea and Withernsea
• What Hard Engineering is at Holderness

  Groynes at Mappleton that costed £2 million

  Sea walls at Hornsea that costed £5.2 million
• What soft engineering is at Holderness

  Beach nourishment that costed £5.2m

  Managed retreat
• What is the distant tropical coast case study

  Odisha coast
• Where is Odisha located

  Eastern coast of India along the Bay of Bengal
• What are waves and tides influenced by at Odisha

  Monsoon seasons and tropical cyclones
• What is geology like at Odisha

  Soft alluvial and sedimentary deposits
• Longshore drift at Odisha

  Moves sediment along the coast
• How many major cyclones per decade does Odisha experience

  3-4
• How many were killed in the 1999 cyclone in Odisha

  Super cyclone killed 10,000
• What percentage is the Odisha eroding at

  48%
• How many km of land has been lost at Odisha

  5km
• How many families have been relocated at Odisha

  700+
• What is projected sea level rise at Odisha

  20-30 cm by 2050
• How many hectares of farmland have been lost at Odisha

  12,000 hectares
• At what percent has overfishing risen by since 2010 at Odisha

  20%
• How many cyclone resistant homes have been built at Odisha

  400,000
• How many hectares of mangroves have been replanted

  14,000
• How many tourists does Odisha have annually

  400,000
• How much is the sea level rising globally per year

  3.3 mm
• Projected sea level rise in Odisha by 2100?

  Rise of up to 0.19 m
• Half of the worlds population live within 60km of a coast and three quarters of all large cities are on the coast
• Main SMP used at Holderness

  Hold the Line
• Where does no active intervention take place at Holderness

  Spurn Point
• What was the erosion rate at Mappleton before defences

  4m per year
• Name of the road at risk at Holderness due to erosion

  B1242
• How many villages at Holderness have been lost since Roman times

  30
• Loss of farmland in Holderness (Cowden)

  2m per year
• Predicted sea level rise along the Holderness in the next 50 years

  6mm per year
• Temperature of the Bay of Bengal

  26.5 degrees
• How many farmers had to abandon rice farming in the Odisha due to soil salination

  500
• How many coastal residents have been relocated in Odisha

  50,000
• How many hectares of mangroves have been planted in Odisha

  14,000