Presentation by John Fregonese


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Presented at the 4th Coastal Advisory Meeting on June 21, 2011

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Presentation by John Fregonese

  1. 1. Manual Contents1 Introduction2 Coastal Louisiana Today3 Understanding Geotypes4 Looking at Water Abroad5 Strategies and Best Practices6 Strategic Implementation
  2. 2. Why Is a Best Practices Manual Necessary?What Are the Key Objectives of the Manual?What Does the Manual Prioritize?Who Should Use the Manual?What Other Work Has Been Done?
  3. 3. Way of Life is PrecariousLand loss:sea level rise, wetland destruction,subsidence, flooding and natural disastersCaused by climate change, naturaldisasters, industry, channelization
  4. 4. Living with WaterLiving with water vs. fighting the waterConfluence of of Louisiana’s unique culture, history, and natural systemsDevelop informed design solutions promoting best practicesGreen Street initiatives Elevate living spaces Wetland assimilation
  5. 5. Manual’s Key ObjectivesCreating a new regional resourceUnderstanding Coastal Louisiana’s economy and environmentCompiling current, relevant dataProviding relevant strategies and international case studiesProviding planning tools
  6. 6. Manual’s PrioritiesLong-Term ResilienceSafetyRestorationAdaptationSustainability
  7. 7. The AudienceLocal governmentsState and federal agenciesTribal organizationsPrivate real estate developers and buildersRealtorsNon-profit organizations, insurance and financial services industriesIndividuals that build in coastal areas
  8. 8. Preceding work
  9. 9. Social and Cultural ConditionsEconomic ConditionsEnvironmental ConditionsCurrent Restoration Efforts
  10. 10. Society and CultureHistory of land use anddevelopment:Commercial centerMississippi River CommissionArpents and land division
  11. 11. Economic ConditionsTraditional economy:Fishing, hunting, agriculture, lumber,shipping and the oil and gas industry
  12. 12. Economic FutureChanging economy:Global economics, rising fuel prices,changing environmental constraints
  13. 13. Environmental ConditionsA coastal delta at work:Sediment deposits over time, creates new land
  14. 14. Forces at workFloodingExtreme storms
  15. 15. Forces at workLand loss:Sea level rise, subsidence, erosion, humanactions, impacts of oil and gas industryHistoric land cover: 1932
  16. 16. Forces at workHistoric land cover: 2000
  17. 17. Forces at workProjected land cover: 2050
  18. 18. Forces at workProjected land cover: 2100
  19. 19. Restoration effortsFighting land lossWetland restoration, sediment diversion, barrier islandrestoration, revetments, segmented offshorebreakwaters, groins and jetties, Seawalls, bulkheads, floodwalls
  20. 20. Example Geotype Page Map and cities Representative imagesUniquecharacteristicsCrosssection
  21. 21. Example Cross SectionHuman settlement patterns, housing styleIndustryGeologyTransportationWater management practices
  22. 22. International Strategies and Best Practices:The NetherlandsItalyArgentinaIndonesiaIndiaSweden
  23. 23. The NetherlandsThe Netherlands Best Practices• Systematically increase flood protection in areas protected by levees.• Secure fresh water supply.• Conduct cost-benefit analysis before building in flood-prone areas.• Innovative use of spatial planning for water storage, water plazas, green roofs.
  24. 24. Mekong River, VietnamMekong Best Practices• Cluster residential development on raised mound foundations.• Disaster-resistant house design and provision of wind/storm buffer.• Explore benefits of ‘Living With Floods’ for farming and restoration.• Adapt and diversify farming practice to work with seasonal flood cycle.
  25. 25. Kristianstad, SwedenKristianstad Best Practices• Kristianstad perceives water in the area as a resource to be purposed in a way that preserves its intrinsic values.• The main focus is conservation, restoring sandy grasslands and wetlands.• Eco-tourism focuses on education of the general public while promoting conservation.• The Biosphere Reserve demonstrates how to approach the challenges of combining conservation and development.
  26. 26. Tigre, ArgentinaTigre Best Practices• Elevate homes well above the expected flood height.• Adapt ways of life to accommodate occasional floodwaters, using floating stores and water-based transportation to meet needs of residents.• Explore affordable alternatives to levees in rural and agricultural areas to preserve the natural functions of flooding (sediment deposition, nutrient recharge).
  27. 27. Strategy MatrixCommunity Scale Strategies:Planning and Education StrategiesCommunity Infrastructure Design StrategiesWater Management StrategiesSite Design StrategiesSite and Building Scale Strategies:Planning and Education StrategiesSite Design Strategies
  28. 28. Strategy Matrix
  29. 29. Multiple Lines of DefenseFlood protection comes from both natural andhuman-made solutions. The strategies in this manualare best used in combination. The application andcombination will be unique for each community. Notevery strategy is appropriate in every location, andchoosing a suite of strategies ensures there are“multiple lines of defense.”
  30. 30. Strategy Example Relating Strategies to Geotypes Strategy descriptionCase study
  31. 31. Strategy SpecificsSome strategieshave more specificinformation
  32. 32. Strategy SpecificsSome strategieshave more specificinformation
  33. 33. Community Scale StrategiesPlanning and Education StrategiesCreate a Community Resilience PlanCreate Emergency Response PlansEnsure Safe Evacuation RoutesInfrastructure Design StrategiesAssess InfrastructureProtect Roads and Street NetworksProtect Electrical NetworksElevate Critical InfrastructureProtect Water and Sewer InfrastructureStorm Water Management StrategiesUse Sustainable Water Capture SystemsConserve and Restore WetlandsLow Earthen BarriersSite Design StrategiesPreserve Community CharacterElevate Multiple Buildings
  34. 34. Site & Building Scale StrategiesPlanning and Education StrategiesEducate Home and Business OwnersRelocate StrategicallySite Design StrategiesSecure the Structure in FloodSecure the Building In WindPrepare the Property Before a StormElevate Living Space Above BFEUtilize Innovative and Adaptive BuildingsUtilize Floating HomesStrategic Site DevelopmentUsing Native Plants for Protection
  35. 35. Implementation Requires Coordination Across ScalesImplementation Starts with an Understanding of the Regulatory FrameworkImplementation Requires Up-to-Date DataImplementation Requires a PlanSteps to Create a Small Area Plan
  36. 36. Federal Agencies
  37. 37. State & Other Agencies
  38. 38. Up-to-Date DataOnline resources for implementation:
  39. 39. Up-to-Date DataOnline resources for implementation:
  40. 40. Small Area PlanningUnderstanding large-scale contextAssessing existing assetsComprehensive and small area planningSteps to create a small area plan
  41. 41. Small Area PlanningStep 1:Collect Background Information and Develop a Community Participation ProcessSTEP 2:Develop the VisionSTEP 3:Prepare a Plan That Moves the Community Towards the VisionSTEP 4:Identify Appropriate Implementation Strategies and Create Implementation PlanSTEP 5:Identify Funding Sources