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Ariel view of the 5km coastline in Essex Landscape view of the coastline in Wales

Coastal processes modelling and analysis

The design of coastal, waterfront, port, and navigation projects requires sophisticated modelling and analysis.

Mott MacDonald's 2D and 3D numerical models for waves, flow circulation, and sediment transport have been validated and used in numerous projects in the Gulf of Mexico, the Caribbean, and the Atlantic and Pacific Oceans. Our comprehensive set of wave models consists of numerical modelling codes including SWAN, HWAVE, Bouss2D, and others that can simulate wave transformation, refraction, diffraction, reflection, run-up, and overtopping for most known wave conditions.

Mott MacDonald Bentley, as part of the Dŵr Cymru Welsh Water (DCWW) Capital Delivery Alliance, is playing a key role in the largest programme of scientific coastal investigation work ever undertaken in Wales. The study covers over 2700km of coastline, including more than 10 major estuaries, and will involve field surveys, water quality monitoring and mathematical modelling. Our computer models, simulating coastal dynamics and pollutant transport, will help to determine whether investments are required in DCWW assets to maintain quality levels in 49 designated bathing and shellfish waters.

The flood shoal of San Luis Pass in Texas contains more than 40 million cubic yards of beach-quality sand. The State of Texas retained our company to identify the best locations for sand removal. Our experts conducted numerical modelling to identify the migration corridor of sand, identify areas of deposition, and evaluate the hydraulic and sedimentation changes that might occur from dredging sediment traps or tidal channels.

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