Modelling the distribution of velocity in a river cross-section

Derek G. Goring, Jeremy M. Walsh, Peter Rutschmann, Jürg Trösch

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


A method is described for modelling the distribution of velocity across a river cross-section in a straight reach in uniform, steady flow. The method uses a finite element model based on a simplified Navier-Stokes equation and a mixing length hypothesis. The model is applied to a representative river reach and a comparison is made with velocity gaugings in the reach. Good agreement is shown where flow conditions match the assumptions on which the model is based.

Original languageEnglish
Pages (from-to)155-162
Number of pages8
JournalNew Zealand Journal of Marine and Freshwater Research
Issue number2
StatePublished - Jun 1997
Externally publishedYes


  • Finite element method
  • Navier Stokes equations
  • River gauging
  • Velocity distributions


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