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LANDSAT 위성영상을 이용한 과거 35년간 두만강 하구 해안선 변화 연구

Coastline Changes in the Tumen River Estuary over the Past 35 Years Using the Landsat Satellite Imagery

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  • 이동근 (서울대학교 농업생명과학대학 조경.지역시스템공학부)
  • Zhao, Yuwei (College of Geography and Ocean Science, Yanbian Univ) ;
  • Zhao, Shuqing (College of Geography and Ocean Science, Yanbian Univ) ;
  • Xu, Zhen (College of Geography and Ocean Science, Yanbian Univ) ;
  • Lee, Dongkun (Department of Landscape Architecture and Rural System Engineering, Seoul National University)
  • 투고 : 2024.05.17
  • 심사 : 2024.06.10
  • 발행 : 2024.06.30

초록

Coastline changes evolution of different intensities at all times under the influence of natural and anthropogenic effects. In this paper, we extracted the coastline of the Tumen River estuary from 1985 to 2020 using the digitizing method, verified the accuracy using the visual interpretation results, and analyzed the changes of the coastline of the Tumen River estuary through the area method and the baseline method. The results showed that the coastline showed an erosion trend during 35 years, with an average erosion rate of 0.05 m/year, an average erosion distance of 3.06 m, and an erosion area of 19.25 ha. Among the human activities that retarded the erosion of the coastline, these activities had a long-term impact on the natural morphology of the coastline.

키워드

과제정보

본 연구는 National Natural Science Foundation of China (42276177)와 환경부의 재원을 지원받아 한국환경산업기술원 "신기후체제 대응 환경기술개발사업"의 연구개발을 통해 창출되었습니다. (2022003570004)

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