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To address the limitations of traditional monitoring methods in river ecological restoration and enhance the precision and effectiveness of restoration efforts, this study adopted drone aerial photography technology to establish a four-dimensional monitoring system encompassing vegetation, water quality, terrain, and habitat in a representative river channel of the Eastern Plain. Comparative analysis of one-year data before and after restoration revealed significant improvements: total vegetation coverage increased from 22 to 68%, water quality improved from Class IV to Class III, sediment load decreased from 16,200 m3 to 2,826 m3, and habitat connectivity index rose from 0.32 to 0.85. Conclusion: Drone technology enables comprehensive monitoring throughout the entire river restoration process, while the four-dimensional system provides a holistic evaluation framework, offering scientific support for optimizing restoration strategies and ensuring sustainable management of river channels in the Eastern Plain.

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Ecological Restoration Technology of River Channel Based on UAV Aerial Photography

  • 会议论文

  • 发表日期：

    2026年

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  • Fanzhen Liu

摘要

To address the limitations of traditional monitoring methods in river ecological restoration and enhance the precision and effectiveness of restoration efforts, this study adopted drone aerial photography technology to establish a four-dimensional monitoring system encompassing vegetation, water quality, terrain, and habitat in a representative river channel of the Eastern Plain. Comparative analysis of one-year data before and after restoration revealed significant improvements: total vegetation coverage increased from 22 to 68%, water quality improved from Class IV to Class III, sediment load decreased from 16,200 m3 to 2,826 m3, and habitat connectivity index rose from 0.32 to 0.85. Conclusion: Drone technology enables comprehensive monitoring throughout the entire river restoration process, while the four-dimensional system provides a holistic evaluation framework, offering scientific support for optimizing restoration strategies and ensuring sustainable management of river channels in the Eastern Plain.