Abstract
In coastal regions, sand transport by wind action is a common occurrence. The rate of eolian sand transport depends predominantly on the cubic power of the shear velocity. Two types of transport rate equations are in operational use: one employs the dimensional rate at which work is done by fluid in moving the particles, and the other uses a special nondimensional Froude number scaling. It is shown that both methods can be explained by utilizing the turbulent energy equation applicable in the atmospheric surface boundary layer under near neutral stability conditions and thus both have theoretical foundations. Examples of computing the rate of eolian sand transport in the coastal zone by using the latter method are given. Comparisons between the computed and observed values are in good agreement.
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