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2013, Volume 7, Issue 2

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Frontiers of Environmental Science & Engineering >> 2013, Volume 7, Issue 2 doi: 10.1007/s11783-012-0464-1

Modeling effects of a tidal barrage on water quality indicator distribution in the Severn Estuary

1. Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Tianjin key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China; 2. Cardiff School of Engineering, Cardiff University, The Parade, Cardiff CF24 3AA, UK; 3. State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China

Available online: 2013-04-01
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Abstract

In this study, emphasis has focused on assessing the potential hydro-environmental impacts of a barrage across the Severn Estuary, with a numerical model being developed and applied to the estuary to assess the impacts of proposed Severn Barrage on the hydrodynamic, sediment transport and faecal indicator organism distribution within the estuary. The results show that the Severn Barrage has the potential to reduce the tidal currents in a highly dynamic estuary. This leads to the reduction of suspended sediment concentrations, which in turn affects the bacterial transport processes which is highly related to the sediment transport processes.

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