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http://dx.doi.org/10.7848/ksgpc.2017.35.6.517

A Study on Damage Scale Tacking Technique for Debris Flow Occurrence Section Using Drones Image  

Shin, Hyunsun (Dept. of Spatial Information Science, Kyungpook National University)
Um, Jungsup (Dept. of Geography, Kyungpook National University)
Kim, Junhyun (Dept. of Realty, Daegu University)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.35, no.6, 2017 , pp. 517-526 More about this Journal
Abstract
In this study, we analyzed the accuracy of elevation, slope, and area to the damage scale of the debris flow using the drones to track the details of the debris flow that method was between the digital topographical map(1/5,000) method and GPS ground survey method. The results are summarized as follows. At first, in the comparison of elevation, the value by the drones was 3.024m lower than the digital topography map, but in case of slope the average slope was $1.20^{\circ}$ and the maximum slope was $10.46^{\circ}$ which was higher by the drones image. Secondly, the difference area is $462m^2$ between on the digital topographic map and the drones image was calculated high, because it is determined by reflecting the uplift of the terrain as a point that calculated more accurate than the digital topographic map. Therefore, when compared with the existing method, the drone image method was very effective in terms of time and manpower.
Keywords
Drones Image; Digital Topographical Map; Debris Flow; Damage Scale;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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