Abstract
Abstract With beach nourishment widely used today to combat shoreline erosion, it is desirable to monitor the postnourishment shoreline to evaluate the projects' success. Implementing a monitoring program is difficult because of time and personnel requirements. Remotely sensed elevation data, in particular that derived from airborne light-detection and ranging (LIDAR) sensors, could be used because of its extensive coverage. In 1998, a beach-fill project was carried out at Wrightsville Beach, North Carolina, and coincidentally LIDAR data were collected annually in this location from 1997 to 2000. This project uses the LIDAR data to identify beach and dune zones and to compute volumetric changes for each zone. Spatial variations are analyzed by examining shoreline segments, in which beach and dune volumes are determined for the different surveys. Spatial and temporal changes in both the beach and dune zones are monitored following the initial fill project. The passage of hurricanes Bonnie and Floyd in the ...
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