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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, Yunping1,2; Zhang, Mingjin1; Zhu, Lingling3; Liu, Wanli1; Han, Jianqiao4; Yang, Yanhua1; Han, JQ (reprint author), Northwest Agr & Forestry Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.
SubtypeArticle
2017
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
description.correspondentemailhjq13@163.com
Volume7
AbstractThe 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.
Subject AreaScience & Technology - Other Topics
DOI10.1038/s41598-017-15677-y
URL查看原文
Indexed BySCI
Publication PlaceLONDON
Language英语
WOS IDWOS:000415265800051
PublisherNATURE PUBLISHING GROUP
Funding OrganizationNational 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]
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/7886
Collection水保所科研产出--SCI_2017--SCI
Corresponding AuthorHan, JQ (reprint author), Northwest Agr & Forestry Univ, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.
Affiliation1.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
Recommended Citation
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).
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