ASR UNDERSTAND, INNOVATE, SUSTAINMarine Consulting and ResearchNEW ZEALAND • UNITED STATES • INDONESIA • WORLDWIDE• Innova...
ASRUNDERSTAND, INNOVATE, SUSTAINMulti-Purpose Reefs for Coastal Protectionand Amenity EnhancementAn Innovative and Sustain...
ASRUNDERSTAND, INNOVATE, SUSTAINChallengeLoss of Beaches and CoastalInfrastructureLoss of Economic andRecreational Resourc...
ASRUNDERSTAND, INNOVATE, SUSTAINTraditional Coastal Protection Solutions• Seawalls• Groins/Jetties• Emergent Breakwaters• ...
ASRUNDERSTAND, INNOVATE, SUSTAINSeawalls• Accelerate erosion of beach• Only protect uplandstructures• A ‘last line of defe...
ASRUNDERSTAND, INNOVATE, SUSTAINGroins and JettiesMoveProblemDown theBeachNew JerseySedimentBoynton Inlet, FLSediment
ASRUNDERSTAND, INNOVATE, SUSTAINEmergent Breakwaters• Tombolos inhibit natural flow ofsand• May cause downstream erosion• ...
ASRUNDERSTAND, INNOVATE, SUSTAINBeach Nourishment and Restoration• Replaces lost sand• Does not stop erosion• Repetitive a...
ASRUNDERSTAND, INNOVATE, SUSTAINBeach Nourishment and RestorationMany stakeholders areadvocating for:“Managed Retreat”Due ...
ASRUNDERSTAND, INNOVATE, SUSTAINASR Solution: “Managed Advance”Utilize Multi-Purpose Reefs to:• Push Threatened Coastlines...
ASRUNDERSTAND, INNOVATE, SUSTAINMulti-Purpose Reefs:The Environmentally Sensitive Future of Coastal ProtectionCoastal Prot...
ASRUNDERSTAND, INNOVATE, SUSTAINMulti-Purpose Reefs: A technology inspired by NatureNature’s wayOffshore reefsnaturally pr...
ASRUNDERSTAND, INNOVATE, SUSTAINMulti-Purpose Reef SchematicReefNavigation - Mooring BuoysFishing / DivingSalientOriginal ...
ASRUNDERSTAND, INNOVATE, SUSTAINASR Multi-Purpose Reef Projects:ConstructionCompleteDesignPhaseIndiaAustraliaVentura, CAUK
ASRUNDERSTAND, INNOVATE, SUSTAINObjectivesWiden the beach and dunesalong Surfers Paradise Esplanade Improve the surfing ...
ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Multi-Purpose Reef, UK
ASRUNDERSTAND, INNOVATE, SUSTAINBoscombePier, 2006
ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef Construction
ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef ConstructionTotal Volume = 13,000 m350m
ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef – Coastal ProtectionCompleted Summer 2009Pre-Construction April 7, 2007March...
ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef – Coastal ProtectionBoscombe Reef(low tide)Salient Formation(March 2010)
ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef – Surfing EnhancementWave Breaking on Laboratory Model Wave Breaking on Reef
ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef – Surfing Enhancement
ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef: Ecological EnhancementHard stable substrate promotes greater biodiversity t...
ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef - Economic EnhancementMedia coverage of theBoscombe Reef Projectgenerated ov...
ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef, IndiaKovalam Beach, 2009
ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef – Site Specific SolutionMulti-Purpose Reef attached to the Southern HeadlandS...
ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef: Completed February 2010Total Volume =4100 m338m
ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef – Coastal ProtectionSeptember 2009 August 2010
ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef – Coastal ProtectionFirst year ofKovalam reefmonitoringrevealed a stablebeach...
ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef – Ecological EnhancementColonisationby marineorganismsstarted only2 weeks aft...
ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef – Surfing EnhancementClick toplay videoKovalam reef hasreceived extensiveprai...
ASRUNDERSTAND, INNOVATE, SUSTAINMulti-Purpose Reefs -Video
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167 multi purpose-reefs_final

  1. 1. ASR UNDERSTAND, INNOVATE, SUSTAINMarine 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. 2. ASRUNDERSTAND, INNOVATE, SUSTAINMulti-Purpose Reefs for Coastal Protectionand Amenity EnhancementAn Innovative and Sustainable Solution to Address Coastal ErosionBoscombe Multi-Purpose Reef, UK
  3. 3. ASRUNDERSTAND, INNOVATE, SUSTAINChallengeLoss of Beaches and CoastalInfrastructureLoss of Economic andRecreational ResourcesSignificant Problem for CoastalCommunities Worldwide.Cape San Blas, FL 2004
  4. 4. ASRUNDERSTAND, INNOVATE, SUSTAINTraditional Coastal Protection Solutions• Seawalls• Groins/Jetties• Emergent Breakwaters• Beach Nourishment
  5. 5. ASRUNDERSTAND, INNOVATE, SUSTAINSeawalls• Accelerate erosion of beach• Only protect uplandstructures• A ‘last line of defense’Wave EnergyInWave EnergyReflectedSouth Palm Beach, FL
  6. 6. ASRUNDERSTAND, INNOVATE, SUSTAINGroins and JettiesMoveProblemDown theBeachNew JerseySedimentBoynton Inlet, FLSediment
  7. 7. ASRUNDERSTAND, INNOVATE, SUSTAINEmergent Breakwaters• Tombolos inhibit natural flow ofsand• May cause downstream erosion• Negative aesthetic appeal32nd Street, Miami, FL
  8. 8. ASRUNDERSTAND, INNOVATE, SUSTAINBeach Nourishment and Restoration• Replaces lost sand• Does not stop erosion• Repetitive applications required• Average cycle: 5 - 10 years• Expensive• Typical Cost ≈ $3 Million per MileSt. Augustine, FL
  9. 9. ASRUNDERSTAND, INNOVATE, SUSTAINBeach Nourishment and RestorationMany stakeholders areadvocating for:“Managed Retreat”Due to high cost ofrepetitive nourishments
  10. 10. ASRUNDERSTAND, INNOVATE, SUSTAINASR 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. 11. ASRUNDERSTAND, INNOVATE, SUSTAINMulti-Purpose Reefs:The Environmentally Sensitive Future of Coastal ProtectionCoastal ProtectionEcological EnhancementEnhanced Recreational AmenitiesEconomic Growth
  12. 12. ASRUNDERSTAND, INNOVATE, SUSTAINMulti-Purpose Reefs: A technology inspired by NatureNature’s wayOffshore reefsnaturally protectthe coast
  13. 13. ASRUNDERSTAND, INNOVATE, SUSTAINMulti-Purpose Reef SchematicReefNavigation - Mooring BuoysFishing / DivingSalientOriginal ShorelineSurfingDivingCalmSwimmingZoneSurfing / Fishing Surfing / FishingLongshore flowLongshore flow
  14. 14. ASRUNDERSTAND, INNOVATE, SUSTAINASR Multi-Purpose Reef Projects:ConstructionCompleteDesignPhaseIndiaAustraliaVentura, CAUK
  15. 15. ASRUNDERSTAND, INNOVATE, SUSTAINObjectivesWiden the beach and dunesalong Surfers Paradise Esplanade Improve the surfing climate atNarrowneckCost:Benefit 1:60-1:80(Raybould and Mules, 1998)Narrowneck Multi-Purpose Reef – AustraliaFindings after 10 years of monitoring by University of NewSouth Wales using ARGUS Coastal Monitoring System:Beach width was same in 2008 as it was at thecompletion of reef project in 2001Salient
  16. 16. ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Multi-Purpose Reef, UK
  17. 17. ASRUNDERSTAND, INNOVATE, SUSTAINBoscombePier, 2006
  18. 18. ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef Construction
  19. 19. ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef ConstructionTotal Volume = 13,000 m350m
  20. 20. ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef – Coastal ProtectionCompleted Summer 2009Pre-Construction April 7, 2007March 22,2010
  21. 21. ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef – Coastal ProtectionBoscombe Reef(low tide)Salient Formation(March 2010)
  22. 22. ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef – Surfing EnhancementWave Breaking on Laboratory Model Wave Breaking on Reef
  23. 23. ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef – Surfing Enhancement
  24. 24. ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef: Ecological EnhancementHard stable substrate promotes greater biodiversity than sandy bottom
  25. 25. ASRUNDERSTAND, INNOVATE, SUSTAINBoscombe Reef - Economic EnhancementMedia coverage of theBoscombe Reef Projectgenerated over (US $20million) in freepublicity for theregion.ProjectBenefit toCost RatioEstimate20:1
  26. 26. ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef, IndiaKovalam Beach, 2009
  27. 27. ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef – Site Specific SolutionMulti-Purpose Reef attached to the Southern HeadlandSingle Layer of 28 Geotextile Sand Filled Containers38 m110 m
  28. 28. ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef: Completed February 2010Total Volume =4100 m338m
  29. 29. ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef – Coastal ProtectionSeptember 2009 August 2010
  30. 30. ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef – Coastal ProtectionFirst year ofKovalam reefmonitoringrevealed a stablebeach profilecycle.March2010September2010March2011September2009POST-REEF
  31. 31. ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef – Ecological EnhancementColonisationby marineorganismsstarted only2 weeks aftercompletion ofthe reef.1 year later, a largevariety ofmarine life inhabits thereef.
  32. 32. ASRUNDERSTAND, INNOVATE, SUSTAINKovalam Reef – Surfing EnhancementClick toplay videoKovalam reef hasreceived extensivepraise for highquality surfingwaves, and has beenfeatured by surfcompanies includingPatagonia, Surfline,and Quiksilver.
  33. 33. ASRUNDERSTAND, INNOVATE, SUSTAINMulti-Purpose Reefs -Video

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