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PORTAIL D'INFORMATION GÉOGRAPHIQUE

Estimation of bedload transport in headwater streams using a numerical model (Moravskoslezké Beskydy Mts, Czech Republic)

Auteurs :
GALIA, T.
HRADECKÝ, J.

Description :
The TOMSED numerical model was successfully applied on the May 2010 flood event in headwater streams of the Czech part of the Western Flysch Carpathians. The Manning equation was used together with application of a reduced energy gradient and potential erosion limits. Contributions of form resistance and grain resistance to Manning’s roughness parameter were considered separately. It turns out that the channel reaches with higher sediment supply have less developed bedforms (e.g. steps) and thus lower flow resistance resulting in a higher intensity of bedload transport. - (EN)


Type de document :
Article de périodique

Source :
Acta Universitatis Carolinae. Geographica, issn : 0300-5402, 2014, vol. 49, n°. 1, p. 21-31, nombre de pages : 11, Références bibliographiques : 32 ref.

Date :
2014

Editeur :
Pays édition : Tchecoslovaquie, Praha, Universita Karlova

Langue :
Anglais
Droits :
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