The modelling and control of water quality in a river system

  • Authors:

  • Peter Young;Bruce Beck

  • Affiliations:

  • Control Division, Department of Engineering, University of Cambridge and Clare Hall, Cambridge, England;-

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 1974

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Abstract

The paper describes some recent research on the dynamic modelling and control of dissolved oxygen (DO) and biochemical oxygen demand (BOD) in a nontidal river system. A simple ordinary differential equation model for DO-BOD interaction in a single reach of a river has been verified against field data obtained from the River Cam outside Cambridge in Eastern England. The major details of this model are outlined and it is then used as the basis for a series of control studies concerned with the operational regulation of sewage effluent discharges in order to maintain specified levels of in-stream DO in both single and multiple reach river systems.