E. López-Periago, M. Arias Estévez, and B. Soto González (Spain)
: Soil; agriculture; erosion; particle trans port; Wash load.
We modeled sediment transport using a distributed model that simulates the transport of suspended solids as wash load. Particle motion is controlled by the sediment lift and transport by surface runoff. Once a particle is moved, it is transported as wash load. The transport rate by wash load is governed by the runoff tractive strength and velocity, as well as by the particle density, diameter and shape. Transport is influenced by the space distribution of loose particles: simulations show that the total mass of erodible soil, its particle size distribution and space distri bution are significant factors affecting the concentrations of suspended load.
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