다중시기 Sentinel-1 픽셀-빈도 기법을 통한 고창 인천강하구 습지의 지형 변화 매핑
SCOPUS
KCI
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Title
- 다중시기 Sentinel-1 픽셀-빈도 기법을 통한 고창 인천강하구 습지의 지형 변화 매핑
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Alternative Title
- Mapping Topography Change via Multi-Temporal Sentinel-1 Pixel-Frequency Approach on Incheon River Estuary Wetland, Gochang, Korea
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Author(s)
- Baek, Won Kyung; Lee, Moung.-Jin.; Yu, Ha-Eun; Kim, Jeong-Cheol; Ryu, Joo Hyung
- KIOST Author(s)
- Baek, Won Kyung(백원경); Ryu, Joo Hyung(유주형)
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Alternative Author(s)
- 백원경; 유주형
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Publication Year
- 2023-12
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Abstract
- Wetlands, defined as lands periodically inundated or exposed during the year, are crucial for sustaining biodiversity and filtering environmental pollutants. The importance of mapping and monitoring their topographical changes is therefore paramount. This study focuses on the topographical variations at the Incheon River estuary wetland post-restoration, noting a lack of adequate prior measurements. Using a multi-temporal Sentinel-1 dataset from October 2014 to March 2023, we mapped long-term variations in water bodies and detected topographical change anomalies using a pixel-frequency approach. Our analysis, based on 196 Sentinel-1 acquisitions from an ascending orbit, revealed significant topography changes. Since 2020, employing the pixel-frequency technique, we observed area increases of +0.0195, 0.0016, 0.0075, and 0.0163 km2 in water level sections at depths of 2–3 m, 1–2 m, 0–1 m, and less than 0 m, respectively. These findings underscore the effectiveness of the wetland restoration
efforts in the area.
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ISSN
- 1225-6161
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/45068
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DOI
- 10.7780/kjrs.2023.39.6.3.7
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Bibliographic Citation
- Korean Journal of Remote Sensing, v.39, no.6-3, pp.1747 - 1761, 2023
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Publisher
- 대한원격탐사학회
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Keywords
- Synthetic aperture radar; Wetland; Wetland topography change; Sentinel-1; Incheon river estuary wetland; Pixel-frequency method
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Type
- Article
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Language
- Korean
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Document Type
- Article
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