Cards (18)

  • how long is river
    165km
  • floodplain
    5km
  • when was river channelised
    1960s
  • dredged a ... deep channel
    30 foot
  • engineering changes
    1962-71
  • transformed into a
    90km, 10m deep drainage canal
  • how much floodplain wetlands drained by building of canal
    2/3
  • how much river restored
    100km
  • started and completed
    started 1999
    completed 2015
  • benefits how much wildlife species
    320
  • how much wetlands created
    11,000 hectares
  • how long does water stay in drainage basin for during a flood
    1 day
    previously 11 days
  • precanal average flow
    0.05 m/s
  • wetland loss
    14000 hectares
  • reduction in wading birds
    90%
  • navigable depths maintained
    90%
  • cost
    400m
  • initial channelisation cost
    20m