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http://dx.doi.org/10.7319/kogsis.2014.22.4.143

Reservoir Disaster Monitoring using Unmanned Aerial Photogrammetry  

Park, Hong Gi (Department of Civil and Environmental Engineering, Gachon University)
Publication Information
Journal of Korean Society for Geospatial Information Science / v.22, no.4, 2014 , pp. 143-149 More about this Journal
Abstract
The Disaster planning for the reservoir should be more quickly and intuitively establish measures by means of the sequential monitoring of change status of the reservoir water level and water surface area. This paper presents an approach using the orthophoto image produced by the periodic unmanned aerial photogrammetry and analyzed the feasibility. Total three time of unmanned aerial survey were conducted to make orthophoto images for the Seongnae reservoir and we analyzed the amount of changes for water level and surface area compare with each images. As the Analysis results, it was possible to effectively observe the increase in the water level rises and the surface area due to the rainfall. The maximum deviations of orthophoto images was 7.5cm in X-direction, 10.8cm in Y-direction and 14.1cm in elevation compare with ground surveying results. Therefore, we conclude that the unmanned aerial photogrammetry could be applied with comprehensive reservoir monitoring works for disaster management for reservoir in the future. And, the orthophoto production takes about two hours to shoot the images, and approximately four hours is considered for the image processing. So, the unmanned aerial photogrammetry is considered to be the best disaster work that requires urgent because analysis is possible in the shooting day.
Keywords
Unmanned Aerial Photogrammetry; Orthophoto; Disaster Prevention; Reservoir Management;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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