IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 32nd Congress - Venice (2007) : THEME D: Maritime and Coastal Research and Engineering : Numerical modelling of the morphodynamic evolution of sand banks in the gironde estuary
Numerical modelling of the morphodynamic evolution of sand banks in the gironde estuary
Author : Nicolas Chini and Catherine Villaret
A 2D morphological model is implemented in the central part of the Gironde estuary, where drastic accumulation has been observed, downstream of a large sand bank. A better understanding of the sand dynamics is achieved by combining numerical modelling and in-situ measurements. A 6-month run is performed considering bed load transport, coupled with suspended load, and correction of the convection velocity. The bed evolution predictions are extrapolated and compared with the 5-year bathymetric evolution. This method yields accumulation in good agreement with the observed shoal formation.
File Size : 817,326 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 32nd Congress - Venice (2007)
Article : THEME D: Maritime and Coastal Research and Engineering
Date Published : 01/07/2007
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