Bedload and Size Distribution in Paved Gravel-Bed Streams

by Gary Parker, (M.ASCE), Assoc. Prof.; St. Anthony Falls Hydraulic Lab., Univ. of Minnesota, Minneapolis, Minn. 55414,
Peter C. Klingeman, (M.ASCE), Prof.; Dept. of Civ. Engrg., Oregon State Univ., Corvallis, Oreg.,
David G. McLean, Research Officer; Research Council of Alberta, Edmonton, Alberta, Canada,


Serial Information: Journal of the Hydraulics Division, 1982, Vol. 108, Issue 4, Pg. 544-571


Document Type: Journal Paper

Errata: (See full record)
Discussion: Hudson H. R. (See full record)
Discussion: Hey Richard D. (See full record)
Closure: (See full record)

Abstract: Field data are used to study the size distribution of bedload in paved gravel-bed streams. Similarity analysis yields the results that all grain size ranges are of approximately equal transportability when the critical condition for breaking the pavement is exceeded. This result is only approximately correct due to deviations from similarity. However, it is adequate to justify development of a method for calculating total bedload, which requires only the subpavement median grain size rather than the size distribution. A method for calculating bedload size distribution that accounts for deviation from similarity is also developed.

Subject Headings: Bed loads | Field tests | Grain (material) | Hydrologic data | Pavement condition

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