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题名: Three Gorges Reservoir: Density Pump Amplification of Pollutant Transport into Tributaries
作者: Holbach, Andreas1; Norra, Stefan1; Wang, Lijing2; Yuan Yijun3; Hu, Wei1; Zheng, Binghui2; Bi, Yonghong3
关键词: DISSOLVED ORGANIC-MATTER ; YANGTZE-RIVER ; DANING RIVER ; WATER ; PHYTOPLANKTON ; MANAGEMENT ; BIOMASS ; BLOOMS ; CHINA ; ZONE
刊名: ENVIRONMENTAL SCIENCE & TECHNOLOGY
发表日期: 2014-07-15
DOI: 10.1021/es501132k
卷: 48, 期:14, 页:7798-7806
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Technology ; Life Sciences & Biomedicine
类目[WOS]: Engineering, Environmental ; Environmental Sciences
研究领域[WOS]: Engineering ; Environmental Sciences & Ecology
英文摘要: The 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.
关键词[WOS]: DISSOLVED ORGANIC-MATTER ; HEAVY-METAL POLLUTION ; YANGTZE-RIVER ; DANING RIVER ; WATER ; CHINA ; ZONE ; PHYTOPLANKTON ; MANAGEMENT ; BIOMASS
语种: 英语
WOS记录号: WOS:000339227500017
ISSN号: 0013-936X
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20405
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.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
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