회귀 크리깅을 이용한 무인기 영상 기반의 갯벌 표층 퇴적상 분포도 작성
SCOPUS
KCI
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Title
- 회귀 크리깅을 이용한 무인기 영상 기반의 갯벌 표층 퇴적상 분포도 작성
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Alternative Title
- Unmanned AerialVehicles Images Based Tidal Flat Surface Sedimentary Facies Mapping Using Regression Kriging
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Author(s)
- Kwak, Geun-Ho; Kim, Keunyong; Lee, Jingyo; Ryu, Joo Hyung
- KIOST Author(s)
- Kwak, Geun-Ho(곽근호); Kim, Keunyong(김근용); Lee, Jingyo(이진교); Ryu, Joo Hyung(유주형)
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Alternative Author(s)
- 곽근호; 김근용; 이진교; 유주형
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Publication Year
- 2023-10
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Abstract
- The distribution characteristics of tidal flat sediment components are used as an essential data for coastal environment analysis and environmental impact assessment. Therefore, a reliable classification map of surface sedimentary facies is essential. This study evaluated the applicability of regression kriging to generate a classification map of the sedimentary facies of tidal flats. For this aim, various factors such as the number of field survey data and remote sensing-based auxiliary data, the effect of regression models on regression kriging, and the comparison with other prediction methods (univariate kriging and regression analysis) on surface sedimentary facies classification were investigated. To evaluate the applicability of regression kriging, a case study using unmanned aerial vehicle (UAV) data was conducted on the Hwang-do tidal flat located at Anmyeon-do, Taean-gun, Korea. As a result of the case study, it was most important to secure an appropriate amount of field survey data and to use topographic elevation and channel density as auxiliary data to produce a reliable tidal flat surface sediment facies classification map. In addition, regression kriging, which can consider detailed characteristics of the sediment distributions using ultra-high resolution UAV data, had the best prediction performance compared to other prediction methods. It is expected that this result can be used as a guideline to produce the tidal flat surface sedimentary facies classification map.
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ISSN
- 1225-6161
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/44803
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DOI
- 10.7780/kjrs.2023.39.5.1.6
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Bibliographic Citation
- Korean Journal of Remote Sensing, v.39, no.5-1, pp.537 - 549, 2023
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Publisher
- 대한원격탐사학회
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Keywords
- Compositional data; Regression kriging; Sedimentary facies classification; Tidal flat
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Type
- Article
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Language
- Korean
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