Abstract
Understanding sediment transport during sand nourishment and storm events is crucial for coastal management and environmental preservation. This chapter provides key insights for policymakers, coastal engineers, and researchers working to balance coastal protection and ecosystem sustainability. It offers an analysis of suspended particle behavior in the water column post-sand nourishment, a coastal protection measure, in comparison to a natural storm event. This allows estimating spatial and temporal effects of coastal protection measures on turbidity and sedimentation in neighboring areas. Pronounced differences in increased turbidity longevity were observed, with sand nourishment-induced turbidity persisting for at least 3 months, spanning a minimum of 4 km along the coast. Additionally, this study reveals elevated nutrient concentrations in the pore water of nourished sediment and the water column during the sand nourishment, along with an increase in fine sediment particles in the nourished sediment due to the use of sand from sedimentation sinks.
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