Simulation Study on Deposition Downstream Floodgates in Estuarine

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Abstract:

Siltation in the rivers downstream of floodgates is serious in China, making the discharge capacity of rivers decrease obviously and threatening the flood control in upper rivers. Tidal wave deformation is one conclusive dynamic factor leading to siltation downstream of floodgates in estuaries. A 2-D numerical model of tide and sediment transport is established to simulate the distribution of sediment siltation downstream of the floodgate, and several conclusions are obtained in this paper which can provide some theoretical basis for the prediction and analysis of the siltation characteristics in lower reach caused by floodgates in estuaries.

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2037-2040

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July 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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