UNIBEST-DE

Dune erosion events

An increasing number of people live and work in coastal areas. The natural environment makes it an attractive place to settle. The coastal areas are also essential for the worlds industries, as they largely depend on the sea transport routes. This results in an expansion of urban and industrial developments along the coast. Consequently, questions will emerge with respect to safety, recreation, urban planning, port design and ecological impacts of human induced changes.

Assessment of the safety of a coastline requires state-of-art models. This holds especially for ‘sof’ coastlines with dunes, as they will erode under extreme hydraulic conditions. This erosion depends on the profle shape, sediment characteristics and hydrodynamic conditionsdeltares has performed safety assessments for the dutch coast as well as for wide variety of coastal areas all over the world. On the basis of this experience the model UNIBEST-DE has been developed. This model simulates dune erosion and beach profle change under extreme conditions.

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