How does coastal structures exacerbate erosion?
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Coastal structures, such as seawalls and breakwaters, can exacerbate erosion by altering wave transformation and sediment transport patterns . Seawalls, for example, prevent coastal erosion during storm events but do not dissipate wave energy, leading to increased bed shear stress at the toe of the structure and local scour . This scouring can result in larger scour holes around seawalls, threatening their structural stability . Additionally, coastal structures can disrupt the natural sediment flow along the coast, causing imbalances in sediment transport and leading to either deposition or erosion of sand in the coastal and proximate shore regions . The construction of coastal structures can block seasonal sediment transport, leading to partial coastal erosion and sedimentation . Overall, the presence of coastal structures can alter wave dynamics and sediment transport, contributing to increased erosion in certain areas.
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| Papers (5) | Insight |
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8 Citations | The paper does not provide a direct answer to the query. The paper discusses the construction of coastal structures and its impact on sediment transport and shoreline change, but it does not specifically explain how coastal structures exacerbate erosion. |
28 Dec 2012 | The Progreso Pier acts as a large-scale wave-sheltering structure, inducing important alongshore sediment transport gradients and decreasing the beach recovery capability, thus exacerbating erosion. |
28 Mar 2022 | The paper does not provide information on how coastal structures exacerbate erosion. |
Open access•Book Chapter 01 Jan 2012 15 Citations | The paper does not provide information on how coastal structures exacerbate erosion. The paper focuses on the ecological impacts of armoring structures on coastal ecosystems. |
20 Jun 2022 | The paper does not provide information on how coastal structures exacerbate erosion. |
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