STRATEGIC PLACEMENT OF DREDGED MATERIAL IN VILANO BEACH, FLORIDA, USA

摘要

In 2015, 115,000 m3 of material was dredged from St. Augustine Inlet and placed in the nearshore of Vilano Beach, Florida. Material was placed into two separate nearshore berms. To understand changes in the berms, one pre-construction survey and two post-construction surveys were conducted. The Radar Inlet Observing System (RIOS) was also deployed to illustrate morphologic changes in the berms between surveys. The Coastal Modeling System (CMS) and Sediment Mobility Tool (SMT) were used to illustrate and predict morphologic changes and impacts to the hydrodynamic conditions in the nearshore. Overall, the nearshore berms were observed by surveys and RIOS to move onshore and diffuse in the alongshore direction as correctly predicted by the SMT.