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http://dx.doi.org/10.11108/kagis.2022.25.4.210

Research and Application of Satellite Orbit Simulation for Analysis of Optimal Satellite Images by Disaster Type : Case of Typhoon MITAG (2019)  

So-Mang, LIM (K-water Institute, Water Resources & Environmental Research Center)
Ki-Mook, KANG (K-water Institute, Water Resources & Environmental Research Center)
Eui-Ho, HWANG (K-water Institute, Water Resources & Environmental Research Center)
Wan-Sik, YU (K-water Institute, R&D Management Dept)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.25, no.4, 2022 , pp. 210-221 More about this Journal
Abstract
In order to promptly respond to disasters, the era of new spaces has opened where satellite images with various characteristics can be used. As the number of satellites in operation at home and abroad increases and the characteristics of satellite sensors vary, it is necessary to find satellite images optimized for disaster types. Disaster types were divided into typhoons, heavy rains, droughts, forest fires, etc., and the optimal satellite images were selected for each type of disaster considering satellite orbits, active/passive sensors, spatial resolution, wavelength bands, and revisit cycles. Each satellite orbit TLE (Two Line Element) information was applied to the SGP4 (Simplified General Perturbations version 4) model to develop a satellite orbit simulation algorithm. The developed algorithm simulated the satellite orbit at 10-second intervals and selected an accurate observation area by considering the angle of incidence of each sensor. The satellite orbit simulation algorithm was applied to the case of Typhoon Mitag in 2019 and compared with the actual satellite list. Through the analyzed results, the time and area of the captured image and the image to be recorded were analyzed within a few seconds to select the optimal satellite image according to the type of disaster. In the future, it is intended to serve as a basis for building a system that can promptly request and secure satellite images in the event of a disaster.
Keywords
Disaster Type; Optimal Satellite Images; Satellite Orbit Simulation; Typhoon MITAG;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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