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Numerical experiments on stagnation points influenced by the Three Gorges Dam in the Yangtze Estuary
Jianqiao Han1; Libing Huang2; Han, JQ (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, Yangling, Shaanxi, Peoples R China.
SubtypeArticle
2018
Source PublicationWATER SCIENCE AND TECHNOLOGY-WATER SUPPLY
ISSN1606-9749
description.correspondentemailhjq13@163.com
Volume18Issue:3Pages:1032-1040
AbstractIn order to study the changes of stagnation points in the Yangtze Estuary influenced by the Three Gorges Dam operation, 3-D hydrodynamic and sediment transport model ECOMSED was used to simulate the dynamic process of flow varying with the river discharge and tide of the Yangtze Estuary. The results show that the location of stagnation points varied markedly in different areas after the impoundment of the Three Gorges Dam, with the large extent of downward movement during flood periods due to the hydrodynamic enhancement of the Yangtze River in the North Branch, while the movement range was smaller in the South Branch. Along with the runoff changes, the variation extent from big to small is North Channel, South Passage and North Passage, while the rank order changed as South Passage, North Channel and North Passage as valued by the tidal changes. After the impoundment of the Three Gorges Dam, the movement range of stagnation points reduced because of the reduction in river discharge. Thus, it can be considered that the turbidity maximum zone has a decreasing trend which might lead to changes in geomorphic features of the Yangtze Estuary.
KeywordFlow Dynamics Numerical Experiments Runoff Stagnation Points Three Gorges Dam Yangtze Estuary
Subject AreaEngineering ; Environmental Sciences & Ecology ; Water Resources
DOI10.2166/ws.2017.173
Indexed BySCI
Publication PlaceALLIANCE HOUSE, 12 CAXTON ST, LONDON SW1H0QS, ENGLAND
Language英语
WOS IDWOS:000437347600027
PublisherIWA PUBLISHING
Funding OrganizationNational Science Foundation of China [51609096] ; National Science Foundation of China [51609096] ; Natural Science Basic Research Plan in Shaanxi Province of China [2017JQ4011] ; Natural Science Basic Research Plan in Shaanxi Province of China [2017JQ4011] ; Doctoral Foundation of Northwest AF University [2452015337] ; Doctoral Foundation of Northwest AF University [2452015337]
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Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8236
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorHan, JQ (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, Yangling, Shaanxi, Peoples R China.
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, Yangling, Shaanxi, Peoples R China
2.Inst Yellow River Hydraul Res, Minist Water Resources, Key Lab Yellow River Sediment Res, Zhengzhou, Henan, Peoples R China
Recommended Citation
GB/T 7714
Jianqiao Han,Libing Huang,Han, JQ . Numerical experiments on stagnation points influenced by the Three Gorges Dam in the Yangtze Estuary[J]. WATER SCIENCE AND TECHNOLOGY-WATER SUPPLY,2018,18(3):1032-1040.
APA Jianqiao Han,Libing Huang,&Han, JQ .(2018).Numerical experiments on stagnation points influenced by the Three Gorges Dam in the Yangtze Estuary.WATER SCIENCE AND TECHNOLOGY-WATER SUPPLY,18(3),1032-1040.
MLA Jianqiao Han,et al."Numerical experiments on stagnation points influenced by the Three Gorges Dam in the Yangtze Estuary".WATER SCIENCE AND TECHNOLOGY-WATER SUPPLY 18.3(2018):1032-1040.
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