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Unlocking the Potential: Setback Levees for a Sustainable Future

Explore the benefits of setback levees in terms of flood protection, ecosystem services, and economic value. Learn about levee setback concepts, ecosystem benefits, and residual risk planning. Discover case studies and the monetary value associated with environmental enhancement.

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Unlocking the Potential: Setback Levees for a Sustainable Future

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  1. 2011 ASFPM National Conference Setback Levees: Hydraulic, Ecologic and Economic Benefits Tony Melone, PhD, PE, CFM

  2. Presentation Overview • Levee setback concepts • Multi-disciplinary approach: going beyond flood benefits • Ecosystem services: putting $$ values to environmental enhancement • Residual risk: planning for extreme events.

  3. 180th to 200th Street Levee Setback Study

  4. Soldiers Home Levee Setback Improvement Project New Setback Levee Floodplain Reconnected to River

  5. Levee Setback Concepts

  6. Levee Setback Concepts

  7. Channelized River Channel

  8. Levee Setback Corridor

  9. Ecosystem Services

  10. Ecosystem Benefits - Wetlands Value = $36,000 per acre per year

  11. Ecosystem Benefits

  12. Floodplain Inundation – 14,500 cfs

  13. Floodplain Inundation – 22,600 cfs

  14. Flood Damage

  15. Avoided Annual Damage

  16. Closing Statement • Multi-disciplinary evaluation of levee options identifies the dollar value of benefits to a community: • Flood protection benefits – Avoided damage losses • Ecosystem service benefits

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