Effect of Mega Bridge on Hydro – morphodynamics of Waterfront Facilities in Wide Estuarine Harbours- A Sustainable Development

Port developments in estuaries can significantly affect the estuarine dynamics, causing hydrodynamic changes that can in turn affect the sediment transport patterns. Understanding these impacts is crucial given the socioeconomic relevance of estuaries and their high sensitivity as the complex natural systems that they are. The objective of this work is to investigate the impact of port expansion on estuarine dynamics through a case study. Process-based models are implemented to investigate the morphodynamic response of the estuary to the expansion of the Port of Ribadeo. The models simulate the hydrodynamics and sediment transport of the estuary with and without the port development. In total, 12 scenarios are considered: pre-and post-port development cases; morphological times of 1, 2 and 4 years; and two tidal energy situations (equinoctial and solstitial tides, i.e. high and low energy, respectively). The models are forced with the tide (prescribed through the nine major constituents) and river inflow, and the significant variation in sediment size over the estuary is accounted for. Excellent agreement (R > 0.95) is achieved between computed and observed water levels and flow velocities. Having validated the model, pre-and post-development cases are compared to determine the effects of the port expansion on estuarine dynamics. We find that the expansion has led to a deepening and straightening of the primary channel of the estuary, with a marked increase in sedimentation either side. This has negative implications for the operation of the Port of Figueras, and in particular for its shipyard, on the other side of the estuary (opposite the Port of Ribadeo)-which proves the potential of port expansions for non-localised impacts on estuarine activities.

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An application of fuzzy factor analysis for sustainable bridge maintenance and retrofit projects

Yadollahi

Nazari

Spanos

et al. 2016

International Journal of Management Science and Engineering Man

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Effect of Mega Bridge on Hydro – morphodynamics of Waterfront Facilities in Wide Estuarine Harbours- A Sustainable Development

Cited by 3 publications

References 2 publications

Hydro-morphodynamic modelling of mangroves imposed by tidal waves using finite element discontinuous Galerkin method

Hydro-morphodynamic modelling of mangroves imposed by tidal waves using finite element discontinuous Galerkin method

Impacts of port development on estuarine morphodynamics: Ribadeo (Spain)

An application of fuzzy factor analysis for sustainable bridge maintenance and retrofit projects

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