1 / 14

Coastal Resilience

Coastal Resilience. Contents. Traditional approach Current trends: Coastal Resilience Soft measures Example projects Dune creation ‘Sandengine’ Artificial reef Natural material. Traditional Approach. Single problem owner Non-integrated approach Single aim: safety

lainey
Download Presentation

Coastal Resilience

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Coastal Resilience

  2. Contents • Traditional approach • Current trends: • Coastal Resilience • Soft measures • Example projects • Dune creation • ‘Sandengine’ • Artificial reef • Natural material

  3. Traditional Approach • Single problem owner • Non-integrated approach • Single aim: safety • No socio-economic review • No interest in environment • Hard measurements RESULTS • Damaging impact • Loss of habitat & environment • Erosion other locations

  4. Coastal Resilience Future risk Future risk developments impact Present risk Future risk Future risk Climate change Improvement works Improved hazard & warning preparedness Future risk probability

  5. Traditional Approach: Brittle failure

  6. Coastal Resilience • What is Resilience? • Ability to withstand conditions beyond its design without catastrophic failure • Combination of solutions • Knowledge of interaction of the components • Understanding risk & failure mechanisms • Solution serves whole life performance not a standard

  7. Soft Measures • “Soft where it can – hard where it must” • Emphasis on non-structural measures • Spatial planning • Public awareness • Flood warning • Natural materials • (Armoured) earth levees • Rocks & stones • Sand nourishment • Flexible • No large CapEx - Investments spread • Environmental friendly

  8. Nourishment: Dune development

  9. “Sand Engine” (TUD/Deltares) • Not only beach, also under water • Sand requirements Dutch Coast rise • 12 Mln m3 20 Mln m3 • Sand nourishment – new peninsula

  10. Artificial Reef

  11. Natural Material: The Palms Palm Jumeirah – Palm Jebel Ali – Palm Deira REQUIREMENTS: • Shamal winds • 10-15 m deep sea • Limitation of wave run-up and overtopping • Protection at minimum costs • Natural look and feel, environmentally sound

  12. Natural Material: The Palms DESIGN: • Use natural materials (coarse) sand, quarry run and rocks up to about 5 to 6 tonnes • Limit crest level to 1 m above reclaimed island to not disturb the view on the sea • Recreate life-sustaining ‘ecological networks’ on a massive scale

  13. Natural Material: The Palms

  14. Artificial Reef – Natural Material: The World

More Related