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http://dx.doi.org/10.7780/kjrs.2022.38.6.1.40

Coastal Erosion Time-series Analysis of the Littoral Cell GW36 in Gangwon Using Seahawk Airborne Bathymetric LiDAR Data  

Lee, Jaebin (Department of Civil Engineering, Mokpo National University)
Kim, Jiyoung (Social Eco Tech Institute, Konkuk University)
Kim, Gahyun (Advanced Tech for Land and Maritime Spatial Data Team, GEOSTORY Co.)
Hur, Hyunsoo (GEOSTORY Co.)
Wie, Gwangjae (GEOSTORY Co.)
Publication Information
Korean Journal of Remote Sensing / v.38, no.6_1, 2022 , pp. 1527-1539 More about this Journal
Abstract
As coastal erosion of the east coast is accelerating, the need for scientific and quantitative coastal erosion monitoring technology for a wide area increases. The traditional method for observing changes in the coast was precision monitoring based on field surveys, but it can only be applied to a small area. The airborne bathymetric Light Detection And Ranging (LiDAR) system is a technology that enables economical surveying of coastal and seabed topography in a wide area. In particular, it has the advantage of constructing topographical data for the intertidal zone, which is a major area of interest for coastal erosion monitoring. In this study, time series analysis of coastal seabed topography acquired in Aug, 2021 and Mar. 2022 on the littoral cell GW36 in Gangwon was performed using the Seahawk Airborne Bathymetric LiDAR (ABL) system. We quantitatively monitored the topographical changes by measuring the baseline length, shoreline and Digital Terrain Model (DTM) changes. Through this, the effectiveness of the ABL surveying technique was confirmed in coastal erosion monitoring.
Keywords
Airborne bathymetric LiDAR; Seahawk; Coastal erosion monitoring; Time series analysis;
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Times Cited By KSCI : 10  (Citation Analysis)
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