More on Green Reservoirs


  1. How many Green Reservoirs for effective  SUDS to contain loss
    • As many as possible (more . . ); diffuse attenuation to reduce local impact (more . . .)
    • For rural  ‘Natural’  floods, Upper Severn evidence indicates that 10% reduction (of overbank flow by stage) would have a dramatic effect on loss and blight; 25RP-50RP floods are the problem (more . . . )
    • RAF  (Run-off Attenuation Feature) research is promising:  (more . . . )
  2. Strategic Locations
    •  Wherever floodwater stands or flows (more . . . ).
    • Lateral impact from such temporary flood storage engineered for longer duration to avoid increased stage (more . . .  ).
    • Infrastructure crossings (more . . .  )
  3. Incremental Attenuation  for Cumulative effect
    • Multiple porous features each creating a weir when terrain is inundated (more . . . ).
    • Every field in a floodplain is a potential green porous reservoir (more . . . )
  4. Multiple Benefits

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