Influence of Large Reservoir Operation on Water-Levels and Flows in Reaches below Dam: Case Study of the Three Gorges Reservoir

doi:10.1038/s41598-017-15677-y

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	Influence of Large Reservoir Operation on Water-Levels and Flows in Reaches below Dam: Case Study of the Three Gorges Reservoir
	Yang, Yunping 1,2; Zhang, Mingjin 1; Zhu, Lingling 3; Liu, Wanli 1; Han, Jianqiao 4; Yang, Yanhua 1; Han, JQ (reprint author), Northwest Agr & Forestry Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.
刊名	SCIENTIFIC REPORTS
	2017
卷号	7
ISSN号	2045-2322
DOI	10.1038/s41598-017-15677-y
文献子类	Article
英文摘要	The Three Gorges Project (TGP) is the world's largest water conservation project. The post-construction low-flow water level at the same discharge below the dam has declined, but there remains disagreement over whether the flood level has increased. Measured water levels and upstream and downstream flow data from 1955 to 2016 show that, post-construction: (1) the low-flow water level at the same discharge decreased, and the lowest water level increased due to dry-season reservoir discharge; (2) the decline of the low-flow water level below the dam was less than the undercutting value of the flow channel of the river; (3) the flood level at the same discharge below the dam was slightly elevated, although peak water levels decreased; (4) flood characteristics changed from a high discharge-high flood level to a medium discharge-high flood level; and (5) an expected decline in the flood level downstream was not observed. Channel erosion and the adjustment of rivers and lakes tend to reduce flood levels, while river bed coarsening, vegetation, and human activities downstream increase the flood level. Although the flood control benefits of the Three Gorges Dam (TGD) and the upstream reservoirs are obvious, increased elevation of the downstream flood level remains a concern.
学科主题	Science & Technology - Other Topics
URL标识	查看原文
出版地	LONDON
语种	英语
出版者	NATURE PUBLISHING GROUP
WOS记录号	WOS:000415265800051
资助机构	National Key Research and Development Program of China [2016YFC0402106, 2016YFC0402305]; National Natural Science Foundation of China [51579123]; Fundamental Research Funds for Central Welfare Research Institutes [TKS160103]; Open Research Fund Program of State Key Laboratory of Water Resources and Hydropower Engineering Science [2016HLG02]; Key Research and Development Program of Tianjin [16YFXT00280]; Doctoral foundation of Northwest Agriculture and Forestry University [2452015337] ; National Key Research and Development Program of China [2016YFC0402106, 2016YFC0402305]; National Natural Science Foundation of China [51579123]; Fundamental Research Funds for Central Welfare Research Institutes [TKS160103]; Open Research Fund Program of State Key Laboratory of Water Resources and Hydropower Engineering Science [2016HLG02]; Key Research and Development Program of Tianjin [16YFXT00280]; Doctoral foundation of Northwest Agriculture and Forestry University [2452015337] ; National Key Research and Development Program of China [2016YFC0402106, 2016YFC0402305]; National Natural Science Foundation of China [51579123]; Fundamental Research Funds for Central Welfare Research Institutes [TKS160103]; Open Research Fund Program of State Key Laboratory of Water Resources and Hydropower Engineering Science [2016HLG02]; Key Research and Development Program of Tianjin [16YFXT00280]; Doctoral foundation of Northwest Agriculture and Forestry University [2452015337] ; National Key Research and Development Program of China [2016YFC0402106, 2016YFC0402305]; National Natural Science Foundation of China [51579123]; Fundamental Research Funds for Central Welfare Research Institutes [TKS160103]; Open Research Fund Program of State Key Laboratory of Water Resources and Hydropower Engineering Science [2016HLG02]; Key Research and Development Program of Tianjin [16YFXT00280]; Doctoral foundation of Northwest Agriculture and Forestry University [2452015337]
内容类型	期刊论文
源URL	[http://ir.iswc.ac.cn/handle/361005/7886]
专题	水保所科研产出--SCI_2017--SCI
通讯作者	Han, JQ (reprint author), Northwest Agr & Forestry Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.
作者单位	1.Minist Transport, Tianjin Res Inst Water Transport Engn, Key Lab Engn Sediment, Tianjin 300456, Peoples R China 2.Wuhan Univ, State Key Lab Water Resources & Hydropower Engn S, Wuhan 430072, Hubei, Peoples R China 3.Bur Hydrol Changjiang Water Resources Commiss, Wuhan 430010, Hubei, Peoples R China 4.Northwest Agr & Forestry Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
推荐引用方式 GB/T 7714	Yang, Yunping,Zhang, Mingjin,Zhu, Lingling,et al. Influence of Large Reservoir Operation on Water-Levels and Flows in Reaches below Dam: Case Study of the Three Gorges Reservoir[J]. SCIENTIFIC REPORTS,2017,7.
APA	Yang, Yunping.,Zhang, Mingjin.,Zhu, Lingling.,Liu, Wanli.,Han, Jianqiao.,...&Han, JQ .(2017).Influence of Large Reservoir Operation on Water-Levels and Flows in Reaches below Dam: Case Study of the Three Gorges Reservoir.SCIENTIFIC REPORTS,7.
MLA	Yang, Yunping,et al."Influence of Large Reservoir Operation on Water-Levels and Flows in Reaches below Dam: Case Study of the Three Gorges Reservoir".SCIENTIFIC REPORTS 7(2017).