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Delineating the Natural Features of a Cadastral Shoreline in South Korea Using Airborne Laser Scanning

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4 Author(s)
In Su Lee ; Korea Cadastral Survey Corp., Cadastral Research Institute, Seoul, Republic of Korea ; Hong Joo Park ; Jae One Lee ; Yong Suk Kim

This study presents the possible application of the airborne Light Detection And Ranging (LiDAR) survey technique to extract a cadastral shoreline in South Korea for the first time. This paper summarizes the results of two case studies to compare the airborne LiDAR-derived shoreline with other data sources, such as the digital topographic map, the seamless cadastral map, and the cadastral surveying. In this current study, the well-known contouring method is used to extract shorelines in combination with LiDAR-derived Digital Elevation Models (DEMs) and digital aerial images. Approximate Highest High Water Level (AHHWL) published by the Korea Hydrographic and Oceanographic Administration (KHOA) is introduced as the tidal reference elevation. This is close to a legally defined shoreline for the cadastral shoreline mapping in South Korea. The comparison results show that some discrepancies are found between the applied methods mentioned due to the inconsistent tidal data references and the heterogeneous data sources. However, it is verified that the airborne LiDAR surveying can lead to this method's increasing applications in the cadastral shoreline mapping. This is only possible under conditions of a new guideline for LiDAR surveying and re-establishment of the tidal reference.

Published in:

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  (Volume:4 ,  Issue: 4 )