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Lane and Carlson: Developed from data collected from canals lined with granular materials in the San Luis Valley study. This equation is a Strickler-type equation and is subject to the same limitations.

Lane, E. W., and Carlson, E. J., 1953, Some factors affecting the stability of canals constructed in coarse granular materials; Proceedings of International Association of Hydraulic Research, 5th Congress, Minneapolis.

Simons, D.B. and Senturk, F., 1992, Sediment Transport Technology and Sediment Dynamics: Water Resources Publication, Fort Collins, CO.

n N-value.
d75 Bed material diameter corresponding to that 75 percent of the material is finer, unit in meters
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