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Hydrodynamics and cohesive sediment transport in the IJzer estuary, Belgium: Case study
Giardino, A.; Ibrahim, E.; Adam, S.; Toorman, E.A.; Monbaliu, J. (2009). Hydrodynamics and cohesive sediment transport in the IJzer estuary, Belgium: Case study. J. Waterway Port Coast. Ocean Eng. 135(4): 176-184.
In: Journal of Waterway, Port, Coastal, and Ocean Engineering. American Society of Civil Engineers (ASCE): New York, N.Y.. ISSN 0733-950X; e-ISSN 1943-5460, more
Peer reviewed article  

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    Marine/Coastal; Brackish water

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  • Toorman, E.A., more
  • Monbaliu, J., more

    The quantification and monitoring of sediment dynamics in estuaries has received plenty of attention in recent years due toboth 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.

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