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Terrestrial LiDAR Measurements and Analysis of Topographical Changes on Malipo Beach
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  • Journal title : Ocean and Polar Research
  • Volume 32, Issue 1,  2010, pp.73-84
  • Publisher : Korea Institute of Ocean Science & Technology
  • DOI : 10.4217/OPR.2010.32.1.073
 Title & Authors
Terrestrial LiDAR Measurements and Analysis of Topographical Changes on Malipo Beach
Shim, Jae-Seol; Kim, Jin-Ah; Park, Han-San; Kim, Seon-Jeong;
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A terrestrial LiDAR was used to acquire precise and high-resolution topographical information of Malipo beach, Korea. Terrestrial LiDAR and RTK-DGPS (VRS) were mounted on top of a survey vehicle and used to scan 20 times stop-and-go method with 250 m spacing intervals at ebb tides. In total, 7 measurements were made periodically from 2008 to 2009 and after each beach replenishment event. We carried out GIS-based 3D spatial analysis such as slope and volume calculations in order to assess topographical changes over time. In relation to beach replenishment, comparative analysis of each volume change revealed them to be similar. This result indicates that the terrestrial LiDAR measurements are accurate and can be used to analyze temporal topographical changes. In conclusion, the methodology employed in this study can be used efficiently to exercise coastal management through monitoring and analyzing beach process such as erosion and deposition.
terrestrial LiDAR;Malipo beach;topographical change;beach processes;coastal management;
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