Health assessment of the Yellow River and Nansi Lake basins in Shandong Province

Xiangliang Meng; Shihan Wang; Jiayun Wang; Fei Meng

doi:10.1117/12.3024166

21 February 2024 Health assessment of the Yellow River and Nansi Lake basins in Shandong Province

Xiangliang Meng, Shihan Wang, Jiayun Wang, Fei Meng

Proceedings Volume 12988, Second International Conference on Environmental Remote Sensing and Geographic Information Technology (ERSGIT 2023); 1298803 (2024) https://doi.org/10.1117/12.3024166
Event: Second International Conference on Environmental Remote Sensing and Geographic Information Technology (ERSGIT 2023), 2023, Xi’an, China

Abstract

The physical structure of rivers and lakes is an important component of the indicator system for river and lake health assessment. This study focuses on the Yellow River and Nansi Lake basins, carries out the interpretation of physical form remote sensing images, and evaluates and analyzes their physical form characteristics. The results show that: (1) The expansion of urban construction and water conservancy planning and construction in the water systems of the Yellow River and Nansi Lake basins have seriously affected the connectivity of the rivers. (2) The vegetation coverage around the Yellow River and Nansi Lake basins is relatively low. More than half of the rivers and lakes (reservoirs) have vegetation coverage less than 5%, and most of them are vegetation-free rivers and lakes (reservoirs). (3) The average value of the ecological buffer zone index in the Nansi Lake Basin is greater than that in the Yellow River Basin. The main reasons for the decline in the ecological buffer index are the large width of the water level fluctuation zone, the small width of the land buffer zone, and insufficient delineation and protection of the ecological buffer zone. (4) River coastlines are dominated by natural coastlines, and the proportion of natural coastlines on both sides of most rivers is greater than 80%. The proportion of natural coastlines in the Yellow River Basin is lower than that in the Nansi Lake Basin. Coastline protection and utilization are important for ecological protection and protection in the Yellow River Basin.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xiangliang Meng, Shihan Wang, Jiayun Wang, and Fei Meng "Health assessment of the Yellow River and Nansi Lake basins in Shandong Province", Proc. SPIE 12988, Second International Conference on Environmental Remote Sensing and Geographic Information Technology (ERSGIT 2023), 1298803 (21 February 2024); https://doi.org/10.1117/12.3024166

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