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Alessio Giardino, Elsy Ibrahim, Stefanie Adam, Erik Toorman and Jaak Monbaliu (2009)

Hydrodynamics and Cohesive Sediment Transport in the IJzer Estuary, Belgium: Case Study

Journal of Waterway Port Coastal and Ocean Engineering-Asce, 135(4):176-184.

The quantification and monitoring of sediment dynamics in estuaries has received plenty of attention in recent years due to both economic and environmental interests. Numerical models have been widely applied for predicting the morphodynamic evolution of these areas. However, the degree of uncertainty of these models is often very high due to the lack of measurements necessary for a complete model calibration and validation. In this paper, different methods have been integrated to overcome these limitations. The hydrodynamics and suspended sediment transport in the IJzer estuary were estimated by means of field data and with the use of a two-dimensional hydrodynamic model coupled to a morphodynamic model. Tidal pumping was recognized as the main driving mechanism of sediments inside the estuary. Erosion-deposition areas calculated with the numerical model were compared to the locations and volumes of dredged material. Model results and measurements were generally in good agreement. Additional support for the morphodynamic model results came from airborne hyperspectral images acquired in 2001 and 2005.

flocs, density, system, france, mud, time, settling velocity, turbulence, turbidity, size
WOS:000267055700007
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