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Use of Drone and RTK Technology to Assess Coastal Erosion

Author(s): Victor Gomez; Gisselle Guerra-Chanis

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Keywords: Coastal erosion-shoreline changes-real time kinematic-climate change

Abstract: Coastal erosion is a natural process that sandy beaches undergo periodically. This is a complex process that could be intensified by anthropogenic drivers with negative economic, environmental, and social impacts. Therefore, monitoring shoreline changes is essential for coastal management and risk prevention. There are several ways to monitor and measure coastal erosion but recent advances in science and technology have integrated drone imagery along with real time kinematic positioning (RTK). Larger areas can be covered with high precision and accuracy thanks to RTK technology. Three sandy beaches were selected along the pacific coastline of Panama. Each site has a different shoreline length and land use characteristics. The flyovers were performed using a DJI Phantom 4 RTK drone. The flyovers were performed during wet and dry season on 2022 and 2023. Applying GIS software along with the Digital Shoreline Analysis System (DSAS) tool, shoreline position changes were determined, Drone and RTK technology integrated allowed to understand sediment transport behavior in the Pacific Coast of Panama. This technology facilitated data collection and monitoring strategies.

DOI: https://doi.org/10.3850/978-90-833476-1-5_iahr40wc-p1072-cd

Year: 2023

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