![]() ![]() ![]() This involves the use of an Acoustic Doppler Current Profiler (ADCP) to measure local shore bathymetry and also current velocities over a range of tidal cycles. The utilisation of a coastline groyne in this case is somewhat unorthodox, as the latter is normally employed to mitigate against coastal erosion. Included in the initial phase of the study was a field investigation to collect certain data which were necessary for model calibration and validation. It is proposed to install a rubble-mound groyne structure on the eastward side of the new inlet to address this problem. The ‘Delft3D’ open-source model (WAVE and FLOW modules) was selected to examine the effects of different orientations and lengths of the proposed groyne on the movements of floating debris. The goal of this study is to optimise the groyne design with the assistance of a 3D numerical model. It is proposed to install a rubble-mound groyne structure on the eastward side of the new inlet to address this problem. This litter accumulation creates a health risk to local fishermen who clean their daily catch using water from the inlet. However, due to the prevailing ocean current patterns in the area, an inlet created on the east side of the new airport is prone to trapping significant amounts of ocean-borne debris. To accommodate an increasing number of tourists visiting Bequia, the second largest island of Saint-Vincent and the Grenadines, the local government constructed an airport, through a major coastline land-reclamation project. ![]()
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