online_modified_einstein:   Total sediment discharge by the Modified Einstein Procedure

References

  1. Einstein, H. A., 1950. The bed-load function for sediment transportation in open channel flows. USDA Soil Conservation Service, Technical Bulletin No. 1026, Washington, D.C., September.

  2. Colby, B. R. and C. H. Hembree, 1955. Computations of total sediment discharge, Niobrara river, near Cody, Nebraska. U.S. Geological Survey Water Supply Paper 1357, Washington, D.C.

  3. U.S. Bureau of Reclamation, 1955. Step method for computing total sediment load by the Modified Einstein Procedure. Sedimentation Section, Hydrology Branch, Project Investigations Division, July.

  4. U.S. Bureau of Reclamation, 1966. Computation of "Z's" for use in the Modified Einstein Procedure. Sedimentation Section, Hydrology Branch, Project Investigations Division, June.
RUBEY'S FORMULA FOR FALL VELOCITY (U.S. UNITS)

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g = 32.17 ft/s2

γs = 2.65

γw = 1.

C = (2/3)[(γs - γw)/γw ] g     [ft/s2]

ν = f(temperature)     [ft2/s]

D = particle diameter     [ft]

a = ν/D     [ft/s]

V = (36 a2 + C D)1/2 - 6 a     [ft/s]