Cards (10)

  • this is channel straightening
  • channel straightening
    the rivers course is straightened - meanders are cut out by building artificial straight channels
  • benefit of channel straightening
    water is moved out of the area quickly, because it doesnt travel as far, which reduces flood risk
  • benefit of channel straightening
    it can improve navigation for shipping so it will encourage increased trade
  • benefit of channel straightening
    homeowners will have confidence to invest in their properties as they no longer need expect to be flooded and insurance costs should go down
  • cost of channel straightening
    flooding is more likely downstream of the straightened section as the water reaches it faster
  • cost of channel straightening
    there is m ore erosion of the bed and banks due to a faster velocity
  • cost of channel straightening
    it is expensive to do initially and requires regular dredging to ensure it works effectively, leading to an on-going expense
  • cost of channel straightening
    the natural rive system is changed and so are habitats
  • cost of channel straightening
    straightened rivers usually have a concrete lining, so it is unattractive