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Three Gorges Reservoir: Density Pump Amplification of Pollutant Transport into Tributaries
Holbach, Andreas1; Norra, Stefan1; Wang, Lijing2; Yuan Yijun3; Hu, Wei1; Zheng, Binghui2; Bi, Yonghong3
2014-07-15
Source PublicationENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN0013-936X
Volume48Issue:14Pages:7798-7806
AbstractThe impoundment of the Three Gorges Reservoir (TGR) on the Yangtze River in China burdened its tributary backwaters with severe environmental problems.(1) Confluence zones of reservoir tributaries with the Yangtze River main channel are main drivers of pollutant dynamics in the TGR(2) and are thus keys to develop mitigation measures. Here, we show a novel experimental approach of spatiotemporal water quality analysis to trace water mass movements and identify pollutant transport pathways in reservoir water bodies. Our results show the movements of density currents in a major tributary backwater of the TGR. A huge interflow density current from the Yangtze River main channel transported its heavy metal carriage to the upstream reaches of the tributary backwater. Water from the upstream backwater moved counterwise and carried less but pollutant-enriched suspended sediments. This scenario illustrates the importance of confluence zone hydrodynamics for fates and pathways of pollutants through the widely unknown hydrodynamics of new reservoirs.
SubtypeArticle
KeywordDissolved Organic-matter Yangtze-river Daning River Water Phytoplankton Management Biomass Blooms China Zone
DOI10.1021/es501132k
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
WOS IDWOS:000339227500017
WOS KeywordDISSOLVED ORGANIC-MATTER ; HEAVY-METAL POLLUTION ; YANGTZE-RIVER ; DANING RIVER ; WATER ; CHINA ; ZONE ; PHYTOPLANKTON ; MANAGEMENT ; BIOMASS
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20405
Collection藻类生物学及应用研究中心_期刊论文
Affiliation1.Karlsruhe Inst Technol, Inst Mineral & Geochem, D-76131 Karlsruhe, Germany
2.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Holbach, Andreas,Norra, Stefan,Wang, Lijing,et al. Three Gorges Reservoir: Density Pump Amplification of Pollutant Transport into Tributaries[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2014,48(14):7798-7806.
APA Holbach, Andreas.,Norra, Stefan.,Wang, Lijing.,Yuan Yijun.,Hu, Wei.,...&Bi, Yonghong.(2014).Three Gorges Reservoir: Density Pump Amplification of Pollutant Transport into Tributaries.ENVIRONMENTAL SCIENCE & TECHNOLOGY,48(14),7798-7806.
MLA Holbach, Andreas,et al."Three Gorges Reservoir: Density Pump Amplification of Pollutant Transport into Tributaries".ENVIRONMENTAL SCIENCE & TECHNOLOGY 48.14(2014):7798-7806.
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