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(Article of periodic en Anglais - 1987)

Document title

Pulsations in bedload transport rates induced by a longitudinal sediment sorting : a flume study using sand and gravel mixtures

Authors(s) and Affiliation(s)

ISEYA F. ; IKEDA H. ;

Abstract

Laboratory experiments, in which two sized materials were continuously fed into a flume, revealed that a longitudinal sediment sorting produced a rhytmic fluctuation in the bedload transport rates. Bedload pulsation was immediately noticeable for conditions in which the finer size fraction was poor in the mixture. The longitudinal sediment sorting was also accompanied by aggrading-degrading sequences and/or steep slope-gentle slope events. A descriptive model applicable to some problems in gravel-bed rivers was obtained

Source

Article of periodic

published at : Geografiska annaler. Series A. Physical geography / ISSN 0435-3676 / CODEN GAPGAP

Editor : Svenska sällskapet för antropologi och geografi, Stockholm - SUEDE (1965)

Millesime : 1987, vol. 69, no1 [pp. 15-27]

Bibliographic references : 42 réf.

Language

Anglais

Localisation

Centre national de la recherche scientifique

INIST-CNRS, Cote INIST : 2704 A

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