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首页> 外文期刊>Proceedings of the International Conference on Coastal Engineering >SEDIMENT TRANSPORT MODELLING IN A MACROTIDAL ESTUARY: DO WE NEED TO ACCOUNT FOR CONSOLIDATION PROCESSES?
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SEDIMENT TRANSPORT MODELLING IN A MACROTIDAL ESTUARY: DO WE NEED TO ACCOUNT FOR CONSOLIDATION PROCESSES?

机译:宏观河口中的泥沙运输模型:我们需要考虑固结过程吗?

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摘要

In order to investigate the role of consolidation processes on the sediment transport in a macrotidal estuary, a simple vertical model of fluid mud consolidation has been coupled to a cross-averaged sediment transport model in the Loire estuary. Simulations show that sediment patterns (turbidity maximum and fluid mud location) are few dependent on consolidation. On the other hand, the consolidation influences the residual deposition after a springeap tidal cycle and thus the net transport of sediment through the estuary. It is pointed out that consolidation is in competition with turbulence damping so that both processes have to be considered when predictive simulations are wanted.
机译:为了研究固结过程对潮汐河口泥沙输运的作用,已经将简单的垂直泥浆固结垂直模型与卢瓦尔河口的交叉平均泥沙输运模型进行了耦合。模拟表明,沉积物模式(最大浊度和流体泥浆位置)很少取决于固结。另一方面,固结会影响春季/午潮后的残余沉积,从而影响沉积物通过河口的净输送。要指出的是,固结与湍流阻尼竞争,因此当需要预测模拟时必须同时考虑这两个过程。

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