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Marine Consulting and Research NEW ZEALAND • UNITED STATES • INDONESIA • WORLDWIDE

Marine Consulting and Research NEW ZEALAND • UNITED STATES • INDONESIA • WORLDWIDE. Innovative and patented Beach Protection Solutions Cutting edge Simulations of Hydrodynamic Processes Leaders in Ecological Monitoring and Protection

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Marine Consulting and Research NEW ZEALAND • UNITED STATES • INDONESIA • WORLDWIDE

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  1. Marine Consulting and ResearchNEW ZEALAND • UNITED STATES • INDONESIA • WORLDWIDE • Innovative and patented Beach Protection Solutions • Cutting edge Simulations of Hydrodynamic Processes • Leaders in Ecological Monitoring and Protection • Recognized global leaders in Multi-Purpose Reefs and Surf Science

  2. Multi-Purpose Reefs for Coastal Protection and Amenity EnhancementAn Innovative and Sustainable Solution to Address Coastal Erosion Boscombe Multi-Purpose Reef, UK

  3. ChallengeLoss of Beaches and Coastal InfrastructureLoss of Economic and Recreational Resources Significant Problem for Coastal Communities Worldwide. Cape San Blas, FL 2004

  4. Traditional Coastal Protection Solutions • Seawalls • Groins/Jetties • Emergent Breakwaters • Beach Nourishment

  5. Seawalls • Accelerate erosion of beach • Only protect upland structures • A ‘last line of defense’ Wave Energy In Wave Energy Reflected South Palm Beach, FL

  6. Groins and Jetties New Jersey Move Problem Down the Beach Sediment Sediment Boynton Inlet, FL

  7. Emergent Breakwaters • Tombolos inhibit natural flow of sand • May cause downstream erosion • Negative aesthetic appeal 32nd Street, Miami, FL

  8. Beach Nourishment and Restoration • Replaces lost sand • Does not stop erosion • Repetitive applications required • Average cycle: 5 - 10 years • Expensive • Typical Cost ≈ $3 Million per Mile St. Augustine, FL

  9. Beach Nourishment and Restoration Many stakeholders are advocating for: “Managed Retreat” Due to high cost of repetitive nourishments

  10. ASR Solution: “Managed Advance” • Utilize Multi-Purpose Reefs to: • Push Threatened Coastlines Seaward • Retain Beach Sediment • Enhance Ecological Amenities • Enhance Recreational Amenities • Enhance Economic Growth Narrowneck Multi-Purpose Reef, Gold Coast, Australia

  11. Multi-Purpose Reefs: The Environmentally Sensitive Future of Coastal Protection Coastal Protection EcologicalEnhancement EnhancedRecreationalAmenities EconomicGrowth

  12. Multi-Purpose Reefs: A technology inspired by Nature Nature’s way Offshore reefs naturally protect the coast

  13. Multi-Purpose Reef Schematic Navigation - Mooring Buoys Fishing / Diving Reef Surfing Diving Calm Swimming Zone Longshore flow Longshore flow Surfing / Fishing Surfing / Fishing Salient Original Shoreline

  14. ASR Multi-Purpose Reef Projects: UK Ventura, CA India Construction Complete Australia Design Phase

  15. Objectives • Widen the beach and dunes along Surfers Paradise Esplanade • Improve the surfing climate at Narrowneck Cost:Benefit 1:60-1:80 (Raybould and Mules, 1998) Findings after 10 years of monitoring by University of New South Wales using ARGUS Coastal Monitoring System: Beach width was same in 2008 as it was at the completion of reef project in 2001 Salient Narrowneck Multi-Purpose Reef – Australia

  16. Boscombe Multi-Purpose Reef, UK

  17. Boscombe Pier, 2006

  18. Boscombe Reef Construction

  19. Boscombe Reef Construction 100 m 50 m Total Volume = 13,000 m3

  20. Boscombe Reef – Coastal ProtectionCompleted Summer 2009 March 22, 2010 Pre-Construction April 7, 2007

  21. Boscombe Reef – Coastal Protection Salient Formation (March 2010) Boscombe Reef (low tide)

  22. Boscombe Reef – Surfing Enhancement Wave Breaking on Laboratory Model Wave Breaking on Reef

  23. Boscombe Reef – Surfing Enhancement

  24. Boscombe Reef: Ecological Enhancement Hard stable substrate promotes greater biodiversity than sandy bottom

  25. Boscombe Reef - Economic Enhancement Project Benefit to Cost Ratio Estimate 20:1 Media coverage of the Boscombe Reef Project generated over (US $20 million) in free publicity for the region. (Bournemouth Borough Council, UK, 2009)

  26. Kovalam Reef, India Kovalam Beach, 2009

  27. Kovalam Reef – Site Specific Solution Multi-Purpose Reef attached to the Southern Headland 38 m 110 m Single Layer of 28 Geotextile Sand Filled Containers

  28. Total Volume = 4100 m3 Kovalam Reef: Completed February 2010 38m 110m

  29. Kovalam Reef – Coastal Protection September 2009 August 2010

  30. Kovalam Reef – Coastal Protection First year of Kovalam reef monitoring revealed a stable beach profile cycle. September 2009 March 2010 POST-REEF September 2010 March 2011

  31. Kovalam Reef – Ecological Enhancement Colonisation by marine organisms started only 2 weeks after completion of the reef. 1 year later, a large variety of marine life inhabits the reef.

  32. Kovalam Reef – Surfing Enhancement Kovalamreef has received extensive praise for high quality surfing waves, and has been featured by surf companies including Patagonia, Surfline, and Quiksilver. Click to play video

  33. Multi-Purpose Reefs - Video

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