Innovations for floodproof ecocities
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Presentation on the multiple characteristics of flood proof ecocities. 5 components are elaborated. 1) Water systems as a source 2) More functions for urban water, 3) Initiative for water manager, 4) Safety and security 5) Involvement of citizens
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Innovations for floodproof ecocities
- 1. DeltaSync BV, the Netherlands Dr. ir. Rutger de Graaf The Water City Innovations for flood proof eco-cities
- 2. Trends
- 3. Trends and traditional approach lead to deltas that are: • Increasingly urbanized • Increasingly under sea level • Increasingly dependent on large scale, globalizing networks of energy, water and food supply • Increasingly vulnerable to floods and droughts Graaf, R.E. de, F.H.M. van de Ven and N.C. van de Giesen (2007), The Closed City as a strategy to reduce vulnerability of urban areas for climate change. Water Science and Technology, Vol 56 No 4, pp 165-173, IWA Publishing, London Why change?
- 4. Possible responses towards environmental variation to reduce vulnerability: • Reduce environmental variation Build a threshold, example: • Reduce damage if threshold is exceeded Develop ability to cope with impacts • Recover quickly and effectively after damage Develop ability to recover • If future variation is uncertain Develop ability to adapt The concept of vulnerability Graaf, R.E. de, F.H.M. van de Ven and N.C. van de Giesen (2007), The Closed City as a strategy to reduce vulnerability of urban areas for climate change. Water Science and Technology, Vol 56 No 4, pp 165-173, IWA Publishing, London
- 5. Type Time orientation Responsibility Threshold Capacity Damage prevention Past Clear Coping Capacity Damage reduction Instant Not clear Recovery Capacity Damage reaction Instant/ future Not clear Adaptive Capacity Damage anticipation Future Undefined The concept of vulnerability Graaf, R.E. de, F.H.M. van de Ven and N.C. van de Giesen (2007), The Closed City as a strategy to reduce vulnerability of urban areas for climate change. Water Science and Technology, Vol 56 No 4, pp 165-173, IWA Publishing, London
- 6. The concept of vulnerability • Vulnerability of a system is difficult to assess because components of vulnerability are strongly interrelated. • Example: Increased flood defense leads to increased urbanization and a decreased flood risk perception.
- 7. Predicting future water cities, is it possible? «There is no reason anyone would want a computer in their home.» - Ken Olson, president, chairman and founder of Digital Equipment Corp. (DEC), maker of big business mainframe computers, arguing against the PC in 1977.
- 8. 1. Water system as a source • Energy • Nutrients 2. More functions for urban water • Element urban design and urbanization • Ecosystem • Mobility Floodproof Ecocities(1)
- 9. 3. Involvement of citizens • Local water and energy companies • Local technologies • Citizens as co-producer 4. More initiative for water manager • Involved early in the process • Important role for design and visualisation • Entrepreneurial approach 5. Safety and security • Multifunctional use of space in cities • Protection of hotspots • Multilayer approach: shelter, and recovery planning Floodproof Ecocities(2)
- 10. Water systems as a source More functions for urban water Initiative for water manager Safety and security Involvement of citizens Floodproof Ecocity
- 11. Aquifer Thermal Energy Storage (ATES) Source: IAE, 2005
- 12. The ATES+ concept Graaf, R.E. de, F.H.M. van de Ven, I. Miltenburg, G. van Ee, L.C.E. van de Winckel en G. van Wijk (2008), Exploring the Technical and Economic Feasibility of using the Urban Water System as a Sustainable Energy Source. Thermal Science Vol 12, No 4, pp 35-50
- 13. Rathaus Zurich Oldest surface water heatpump system in Europe (1938) • Design capacity 70 kW (heating and cooling) • Current heating capacity: 210 kW • Current cooling capacity 130 kW • Minimal water temperature Limmat 4oC • Maximal watertemperature Limmat 25oC Water as heatsource: examples
- 14. Rotterdam: Heat from the river Meuse (Ingenieur 2008.1) Water as heatsource: examples
- 15. Den Bosch, heat and cooling from pond on top of parking garage (Essent, energieprojecten.nl) Water as heatsource: examples
- 16. Den Haag: Heat from the North Sea Water as heatsource: examples
- 17. Water systems as a source More functions for urban water Initiative for water manager Safety and security Involvement of citizens Floodproof Ecocity
- 18. The floating City concept
- 19. Floating buildings in the Netherlands
- 20. FLOATING PAVILION Pilot project for Floodproof Urbanisation
- 22. Flexibility
- 24. The NEXT STEP towards floating urbanisation Current practice Next steps
- 26. Ecology and Urban development
- 29. Water systems as a source More functions for urban water Initiative for water manager Safety and security Involvement of citizens Floodproof Ecocity
- 33. Water systems as a source More functions for urban water Initiative for water manager Safety and security Involvement of citizens Floodproof Ecocity
- 36. Water systems as a source More functions for urban water Initiative for water manager Safety and security Involvement of citizens Floodproof Ecocity
- 37. Source: MLIT, 2005 Japan: superlevee
- 39. Floodproofing Hotspots Normal situation During a flood
- 40. Water systems as a source More functions for urban water Initiative for water manager Safety and security Involvement of citizens Floodproof Ecocity
- 41. For more information: DeltaSync Molengraaffsingel 12-14 2629 JD Delft Netherlands Dr. ir. Rutger de Graaf T: +31 152561872 C: +31 616308790 www.deltasync.nl