1. Green roofs in the Urban realm THOUGHTS ON APPROACHES TO SUCCESSIVE GREEN ROOFS IN THEDRY AND ARIDThursday, 20 October 2011

2. PresidentEFBTwo recent members Greece and PolandThursday, 20 October 2011 3. Director Livingroofs.org Lead Consultantwww.greenroofconsultancy.comThursday, 20 October 2011 4. DryHotDCities Polluted AirWater Impervious LightThursday, 20 October 2011 5. www.livingroofs.orgwww.greenroofconsultancy.comThursday, 20 October 2011 6. www.livingroofs.orgwww.greenroofconsultancy.comThursday, 20 October 2011 7. 426Thursday, 20 October 2011 8. Climate Change - UKIncreased summer temperatures - particularlyin CitiesIncreased likelihood of intense summer storms- leading to ash oodsThursday, 20 October 2011 9. Late June 09 - Health Alert 2Early July Intense Short rainstormsThursday, 20 October 2011 10. Urban Areas - the problem?Lack of soil and permabilityLack of vegetation and evapotranspirationLack of ecosystems servicesLThursday, 20 October 2011 11. Pollination Soil Fertility/Health/StabilityHabitatEcosystem ServicesRegulation of climate/oodsShade and ShelterClean WaterThursday, 20 October 2011 12. Here is a TitleA bullet pointAnother oneAnd another oneThursday, 20 October 2011 13. Here is a TitleA bullet pointAnother oneAnd another oneThursday, 20 October 2011 14. Here is a TitleA bullet pointAnother oneAnd another oneThursday, 20 October 2011 15. Here is a TitleA bullet pointAnother oneAnd another oneNATUREThursday, 20 October 2011 16. Here is a TitleA bullet pointAnother oneAnd another oneNATUREThursday, 20 October 2011 17. Thursday, 20 October 2011 18. Thursday, 20 October 2011 19. Thursday, 20 October 2011 20. Thursday, 20 October 2011 21. Thursday, 20 October 2011 22. Thursday, 20 October 2011 23. Thursday, 20 October 2011 24. Thursday, 20 October 2011 25. Thursday, 20 October 2011 26. These are N. European approach to greenroofsKey consideration is to drain excessivewater as soon as possibleWhat about the Mediterranean?Need to impede the ow of water andretain it on the roofThursday, 20 October 2011 27. Thursday, 20 October 2011 28. Thursday, 20 October 2011 29. Even in Southern Europe a focus on the lightweight approachLight weight will need heavy irrigationEven N. Europe the best green roofs are between100 -150 mmEngineers and Architects will need to recognisethat lightweight is not: Good or sustainableThursday, 20 October 2011 30. Thursday, 20 October 2011 31. Thursday, 20 October 2011 32. Thursday, 20 October 2011 33. Thursday, 20 October 2011 34. Considerations for Lisbon/Portugalplants - what plants to useto irrigate or not to irrigateHow to store excessive rain for re use laterbuilding regulationsThursday, 20 October 2011 35. Thursday, 20 October 2011 36. Drawn by: Kevin PerryThursday, 20 October 2011 37. Drawn by: Kevin PerryThursday, 20 October 2011 38. Thursday, 20 October 2011 39. Thursday, 20 October 2011 40. Biodiversity Amenity EnergyWater TextGreen roof benets Protection of Urban Agriculture waterproong Noise and Air PollutionThursday, 20 October 2011 41. Energy and WaterThursday, 20 October 2011 42. Energy Macro and the Micro City Scale and Building Scale Cities can be 5 degrees warmer thanthe country sideThursday, 20 October 2011 43. Energy and WaterVegetated landscapes need waterPlants - sweat - evapotranspirateEvapotranspiration = coolingThursday, 20 October 2011 44. Thursday, 20 October 2011 45. Thursday, 20 October 2011 46. Thursday, 20 October 2011 47. Thursday, 20 October 2011 48. Thursday, 20 October 2011 49. Thursday, 20 October 2011 50. Thursday, 20 October 2011 51. Thursday, 20 October 2011 52. Summer Reduc*ons with Green Roof4.15Kwh/msq/yrZ1625%Z159%22%Z8 Z132%9% Z7 Z121%2% Z6 Z121% Z5 Z110% Z4 Z105% Z3Z9 Z2 Z1Winter Reduc*ons with Green RoofBetween 2 - 6 Kwh/msq/yrThursday, 20 October 2011 53. Power and Plants Evapotranspiration maintains ambienttemp. close to 25 degrees CThursday, 20 October 2011 54. Thursday, 20 October 2011 55. We can use air con and other equipementto shade and irrigate Mediterranean greenroofsBetter green roofs better performance ofthe equipementThursday, 20 October 2011 56. WaterThursday, 20 October 2011 57. Rainfall HarvestingToilet reuseIrrigationTextWaterRun off Volume+Rate of run offStormwater AttenuationThursday, 20 October 2011 58. Thursday, 20 October 2011 59. Rainfall Harvesting Can use water from roofs as grey water Some commercial substrates have nutrients which leads to discolouration of water Discoloration disappears after few years once vegetation established If are going harvest no nutrient substrate can be used POTSDAMMER PLATZThursday, 20 October 2011 60. Thursday, 20 October 2011 61. Thursday, 20 October 2011 62. Thursday, 20 October 2011 63. Thursday, 20 October 2011 64. Thursday, 20 October 2011 65. Thursday, 20 October 2011 66. Thursday, 20 October 2011 67. Final Thoughts - EngineeringOften too much emphasis on this areaWhat retains water, provides shade fromthe sun and the windEngineering should be FOCUSSED onwhat helps the vegetationThursday, 20 October 2011 68. Thursday, 20 October 2011 69. Final Thoughts - VegetationVegetation is KEY - what plantscreate dew/condensationWhat survives in the surroundingmountains and dry plains of PortugalThursday, 20 October 2011 70. Thursday, 20 October 2011 71. Thursday, 20 October 2011 72. Thursday, 20 October 2011 73. Thursday, 20 October 2011 74. Obligadodusty@dustygedge.co.ukTextTextThursday, 20 October 2011