Solution Alternatives for the Mitigation of the Erosive Phenomena at Playa Salguero, Colombian Caribbean
DOI:
https://doi.org/10.26640/22159045.2025.650Keywords:
Marine climatology, Hidrodynamics, Coastal dynamics, Erosion, Sedimentation, TomboloAbstract
Playa Salguero (south of Gaira Bay, Magdalena) coastline has experienced an average retreat of 15.16 meters (1.17m/año) between 2008 and 2021, based on a multi-temporal shoreline analysis which determines its current erosion state. The foreshore has been squeezed additionally by the near real estate infrastructure, risking the effective/public space, thus materializing a coastal erosion study case. This is numerically proven by determining sediment transport rates, transversal (0.97m3/m.l. per hour of storm) as well as longitudinal (order of 97820m3/year) at the most critical erosion sector, justifying some line of action orientated in mitigating the problematic. Offshore breakwater design configurations and beach tombolo conformed of hydraulic fill of compatible sediment are proposed, which allows to effectively reduce sediment net loss, adding resilience to the beach.
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