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Equations

Equations

Sediment transport in stream channels is difficult to calculate. Due to the complexity of in-stream sediment transport processes no single equation has yet been developed to simulate the movement of particles from all size classes. The sediment transport capacity of individual size classes must be analyzed separately. This requirement demands watershed and stream modeling software employ a suite of transport equations to simulate the movement of all sediment within the basin. Listed below are some of the most common sediment transport equations used in watershed and river modeling software:

  • Einstein’s Deposition Model (1968) 
  • Duboys (1879)
  • Ackers and White (1973)
  • Meyer-Peter and Müller (1948) 
  • Laursen (1958)
  • Toffaleti (1969)
  • Engelund and Hansen (1972) 
  • Brownlie (1981)
  • Yang Sand (1973) and Gravel (1984)

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