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Highcliff
e
Does Terminal
Groyne
Syndrome
exist
Are the profiles
significantly
different?
EAST
WEST
WEST
EAST
EAST Head - form
Toe - form
Dynamic
Equilibrium?
Evidence of
movement …
Contributing factors?
Role; geology
Terminal Groyne 12
WEST
Profile
Profile
Slope control engineering?
H11 - Hard engineering,
describe
Evidence -
groynes
effective?
Additional
protection
Toe Protection
Management
Role of vegetation
Head Material
Head
Protectio
n
Planning
strategy
Value
IMAGE
S Mark
Ollis

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Editor's Notes

  1. From aerial imagery the erosion east of Cliffhanger and Chewton Bunny is accelerated
  2. Curved slumped profile compared to modified linear sloes
  3. OS 1:25 Screen grab to indicate offset, also visible on Google Earth
  4. Concave, sands and gravels
  5. Lobate toe of clay material – colour change
  6. Parallel cracking
  7. Weight, lubrication, shear plane – evidence of non porous substrate – clay
  8. Twelve rock armour groynes sit perpendicular
  9. Rectilinear
  10. Rectilinear – indicates profiling
  11. Point out head form, drainage channels
  12. Rock armour groynes
  13. Variety of graded beach material
  14. Some rock armour – parallel to shore
  15. Light armour to reduce storm overspill
  16. Overview to indicate scale of project
  17. Main division between bathers and watersport users
  18. Binds soil together, intercepts vegetation, traps downwashed sediments,[provides habitat]
  19. Sand and gravel, prior attempt at drainage
  20. Selective shuttering
  21. Do nothing buffer
  22. Verandas indicate importance of view
  23. Reiterates perpendicular form in plan
  24. All images taken 13 Feb. 2017