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Impact of the Xiaolangdi Reservoir Operation on Water-Sediment Transport and Aquatic Organisms in the Lower Yellow River During Flood Events

文献类型：期刊论文

作者Zhang, Xueqin3,5; Zhang, Min1,2; Zhang, Chunjin1,2; Sun, Zanying1,2; Zhao, Binhua4
刊名SUSTAINABILITY
出版日期2025-09-10
卷号17期号:18页码:8136
关键词sediment transport aquatic organisms reservoir operation sediment delivery ratio the Lower Yellow River river sustainability
DOI10.3390/su17188136
产权排序1
文献子类Article
英文摘要The operation of reservoirs has prompted rivers to transition from natural ecosystems to natural-artificial composite ecosystems, which has not only altered the water-sediment processes but has also affected river ecology in the downstream river channels. To reveal the impact of the Xiaolangdi Reservoir (China) on sediment transport and aquatic organisms in the Lower Yellow River (LYR), this article analyzes the changes in the water-sediment processes and sediment transport characteristics prior to and following the reservoir construction, based on measured water-sediment data of 688 floods from 1960 to 2023. It derives a theoretical formulation for the sediment delivery ratio (SDR) of flood events based on the sediment transport rate equation and evaluates the living environment of aquatic organisms in the LYR. The results indicate that after the construction of Xiaolangdi Reservoir, the frequency of floods with an average flow discharge below 1000 m3/s increased from 26.08% to 37.42%, and the frequency of floods with an average sediment concentration below 20 kg/m3 increased from 46.34% to 89.03%. The SDR of flood events significantly correlates positively with the average flow discharge and the water load variation coefficient. Conversely, it negatively correlates with the average sediment concentration and the incoming sediment coefficient. The sediment transport capacity of various river reaches in the LYR gradually increases along the direction of the river channel. The use of Xiaolangdi Reservoir has enhanced sediment transport in the upper LYR reach while decreasing it in the lower reach, aligning the overall sediment transport capacity of the downstream river channel. Additionally, the water-sediment process of the flood events following the completion of the Xiaolangdi Reservoir construction has improved the living environment for aquatic organisms, which is conducive to restoring biodiversity and improving the ecological environment of the river. The research results have enriched the understanding of the impact of reservoir construction on downstream water-sediment transport and aquatic organisms in sandy rivers, providing technical support for the health and sustainable development of rivers.
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WOS关键词DAM ; MORPHOLOGY
WOS研究方向Science & Technology - Other Topics ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:001581081000001
出版者MDPI
源URL[http://ir.igsnrr.ac.cn/handle/311030/217556]  
专题陆地水循环及地表过程院重点实验室_外文论文
通讯作者Zhang, Min
作者单位1.Minist Water Resources, Key Lab Lower Yellow River Channel & Estuary Regul, Zhengzhou 450003, Peoples R China;
2.Yellow River Conservancy Commiss, Yellow River Inst Hydraul Res, Zhengzhou 450003, Peoples R China;
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China;
4.Xian Univ Technol, State Key Lab Water Engn Ecol & Environm Arid Area, Xian 710048, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
推荐引用方式
GB/T 7714		 Zhang, Xueqin,Zhang, Min,Zhang, Chunjin,et al. Impact of the Xiaolangdi Reservoir Operation on Water-Sediment Transport and Aquatic Organisms in the Lower Yellow River During Flood Events[J]. SUSTAINABILITY,2025,17(18):8136.
APA Zhang, Xueqin,Zhang, Min,Zhang, Chunjin,Sun, Zanying,&Zhao, Binhua.(2025).Impact of the Xiaolangdi Reservoir Operation on Water-Sediment Transport and Aquatic Organisms in the Lower Yellow River During Flood Events.SUSTAINABILITY,17(18),8136.
MLA Zhang, Xueqin,et al."Impact of the Xiaolangdi Reservoir Operation on Water-Sediment Transport and Aquatic Organisms in the Lower Yellow River During Flood Events".SUSTAINABILITY 17.18(2025):8136.

入库方式： OAI收割

来源：地理科学与资源研究所

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