globalchange  > 气候变化与战略
DOI: 10.5194/hess-24-5057-2020
论文题名:
Hydrodynamic and environmental characteristics of a tributary bay influenced by backwater jacking and intrusions from a main reservoir
作者: Li X.; Liu B.; Wang Y.; Yang Y.; Liang R.; Peng F.; Xue S.; Zhu Z.; Li K.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2020
卷: 24, 期:11
起始页码: 5057
结束页码: 5076
语种: 英语
Scopus关键词: Eutrophication ; Flow fields ; Hydrodynamics ; River pollution ; Water levels ; Water quality ; Different effects ; Environmental characteristic ; Hydrodynamic and water quality models ; Provide guidances ; Three gorges reservoir ; Water environment protection ; Water environments ; Water temperatures ; Reservoirs (water) ; backwater ; hydrodynamics ; hydrological modeling ; saline intrusion ; tributary ; water level ; water quality ; water temperature ; Anhui ; China ; Tangxi River ; Three Gorges Reservoir
英文摘要: The construction of large reservoirs results in the formation of tributary bays, and tributary bays are inevitably influenced by backwater jacking and intrusions from the main reservoir. In this paper, a typical tributary bay (Tangxi River) of the Three Gorges Reservoir (TGR) was selected to study the hydrodynamic and environmental characteristics of a tributary bay influenced by the jacking and intrusions from the main reservoir. The flow field, water temperature, and water quality of Tangxi River were simulated using the hydrodynamic and water quality model CE-QUAL-W2 (thomas and Scott, 2008), and the eutrophication status of the tributary bay was also evaluated. The results showed that the main reservoir had different effects on its tributary bay in each month. The tributary bay was mainly affected by backwater jacking from the main reservoir when the water level of the main reservoir dropped and by intrusions from the main reservoir when the water level of the main reservoir rose. An obvious water quality concentration boundary existed in the tributary bay, which was consistent with the regional boundary in the flow field. The flow field and water quality on both sides of the boundary were quite different. The results of this study can help us figure out how the backwater jacking and intrusions from the main reservoir influence the hydrodynamic and water environment characteristics of the tributary bay and provide guidance for water environment protection in tributary bays. © Author(s) 2020.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/162565
Appears in Collections:气候变化与战略

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作者单位: Li, X., State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China; Liu, B., Emergency Response Center, Ecology and Environment Bureau of Suining, Suining, 629000, China; Wang, Y., State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China; Yang, Y., Environmental Monitoring Center, Ecology and Environment Bureau of Suining, Suining, 629000, China; Liang, R., State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China; Peng, F., State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China; Xue, S., State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China; Zhu, Z., State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China; Li, K., State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610065, China

Recommended Citation:
Li X.,Liu B.,Wang Y.,et al. Hydrodynamic and environmental characteristics of a tributary bay influenced by backwater jacking and intrusions from a main reservoir[J]. Hydrology and Earth System Sciences,2020-01-01,24(11)
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