Relation permettant le calcul du charriage dans les rivieres a graviers, a partir de la composition de surface

Translated title of the contribution: Surface-based bedload transport relation for gravel rivers

Research output: Contribution to journalArticlepeer-review


Bedload transport in gravel-bed rivers is accomplished by means of the mobilization of grains exposed on the bed surface. This mobilization is due to the action of fluid forces on the exposed grains. Substrate particles can participate in the bedload only to the extent that local or global scour results in their exposure on the surface. It follows that a calculation of the bedload transport rate of mixtures should be based on the availability of each size range in the surface layer. Herein an existing empirical substrate-based bedload relation for gravel mixtures, developed solely with reference to field data, is transformed into a surface-based relation.

Translated title of the contributionSurface-based bedload transport relation for gravel rivers
Original languageFrench
Pages (from-to)417-436
Number of pages20
JournalJournal of Hydraulic Research
Issue number4
StatePublished - Jul 1990
Externally publishedYes

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Water Science and Technology


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