river dee wales case study

• • source is at ddaullt- upland in snowdonia
  • high annual precipitation
  • dee flows south easterly, eroding glaciated landscape formed of igneous & metamorphics
  • near chester, it meanders across a floodplain, eroding sedimentary
  • further deposition occurs to form Wirral estaurine landscape
• | human factors causing change

  • under the river dee regulation scheme, a series of reservoirs were built
  • channelisation improved navigation- increasing discharge & velocity
  • earth embankments built along middle course to protect farms & homes, preventing development of floodplain landscape