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(Article of periodic en Anglais - 1998)

Document title

Effects of a pebble cluster on the turbulent structure of a depth-limited flow in a gravel-bed river

Authors(s) and Affiliation(s)

BUFFIN-BÉLANGER T. ; ROY A.G. ;

Abstract

This paper presents original results from measurements of velocity taken at a high spatial and temporal resolution in a turbulent flow upstream and downstream from a pebble cluster. The high sampling resolutions in a natural environment permitted characterization of the complex dynamics of the turbulent flow in the vicinity of the cluster. The description of these dynamics is based on the interpretation of contour maps of several turbulence statistics. Results indicate the existence of highly dynamic boundaries between zones where strong intermittent events are generated. They also highlight the difference between shedding and upwelling motions of the flow

Source

Article of periodic

published at : Geomorphology / ISSN 0169-555X

Editor : Elsevier, Amsterdam - PAYS-BAS (1987)

Millesime : 1998, vol. 25, no3-4 [pp. 249-267]

Bibliographic references : 37 ref.

Collation : Illustration ;

Language

Anglais

INIST-CNRS, Cote INIST : 21151

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 1999.
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