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Fixation de la végétation dans le chenal des cours d'eau

Fixation de la végétation dans le chenal des cours d'eau

Fixation de la végétation dans le chenal des cours d'eau

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ésumé - page 4<br />

re<strong>la</strong>tion with vegetation. A 1D transport mo<strong>de</strong>l of 50 km long has allowed to study the<br />

evolution of hydraulic parameters as a function of hydrology and roughness.<br />

This study on a natural site is comp<strong>le</strong>ted by an analysis of flow and sediment transport<br />

through vegetation, based on a bibliographic review and experimentation. At a very local<br />

sca<strong>le</strong>, a two-<strong>la</strong>yer formu<strong>la</strong>tion that is based on c<strong>la</strong>ssical theories of sediment transport and<br />

recent research about flow in grassed vegetation is proposed to analyse the effect of reeds<br />

on sediment <strong>de</strong>position and grain sorting.<br />

<strong>Fixation</strong> <strong>de</strong> <strong>la</strong> <strong>végétation</strong> <strong>dans</strong> <strong>le</strong> <strong>chenal</strong> <strong>de</strong>s <strong>cours</strong> <strong>d'eau</strong> juin 2002<br />

Philippe Bel<strong>le</strong>udy - LTHE

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