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Coastal management in The Netherlands

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Keynote Dynamic Dunes Congress 2015:
Joost Veer - Coastal management in The Netherlands

Published in: Environment
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Coastal management in The Netherlands

  1. 1. Coastal Management in the Netherlands Four decades of learning JoostVeer@rijnland.net
  2. 2. Why are we here?
  3. 3. ’70s escarpments, erosion
  4. 4. ’70s Narrow beaches
  5. 5. ’80s
  6. 6. ’80s
  7. 7. 1990
  8. 8. Marram grass, reed and willow branches
  9. 9. Foreshore nourishment
  10. 10. Beach nourishment
  11. 11. Why manage? safety standards for flood protection <-100m ->
  12. 12. Dune reinforcement
  13. 13. Reference coastline (1990) • Sand nourishments on beach and foreshore • Adding a lot of sand to achieve a dynamic equilibrium • Coastline retreat was stopped • Further loss of land prevented. • Morphological changes: foredune development, locally narrow beaches due to dune growth • Difficult to manage,
  14. 14. Local blowout at Wassenaar : monitoring morphological changes
  15. 15. Present day
  16. 16. Present day
  17. 17. Present day
  18. 18. Present day • Less storm damage (fewer storms?) • Predominantly limited to foredunes • System (sand volumes) restores itself -> cheap, but unpredictable and difficult tot manage • Will it last? • can we benefit even more from the dynamic processes? • How does it really work?

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