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Geochemistry of dissolved trace elements and heavy metals in the Dan River Drainage (China): distribution, sources, and water quality assessment
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK). Peking University, China.
Number of Authors: 4
2016 (English)In: Environmental science and pollution research international, ISSN 0944-1344, E-ISSN 1614-7499, Vol. 23, no 8, 8091-8103 p.Article in journal (Refereed) Published
Abstract [en]

Dissolved trace elements and heavy metals in the Dan River drainage basin, which is the drinking water source area of South-to-North Water Transfer Project (China), affect large numbers of people and should therefore be carefully monitored. To investigate the distribution, sources, and quality of river water, this study integrating catchment geology and multivariate statistical techniques was carried out in the Dan River drainage from 99 river water samples collected in 2013. The distribution of trace metal concentrations in the Dan River drainage was similar to that in the Danjiangkou Reservoir, indicating that the reservoir was significantly affected by the Dan River drainage. Moreover, our results suggested that As, Sb, Cd, Mn, and Ni were the major pollutants. We revealed extremely high concentrations of As and Sb in the Laoguan River, Cd in the Qingyou River, Mn, Ni, and Cd in the Yinhua River, As and Sb in the Laojun River, and Sb in the Dan River. According to the water quality index, water in the Dan River drainage was suitable for drinking; however, an exposure risk assessment model suggests that As and Sb in the Laojun and Laoguan rivers could pose a high risk to humans in terms of adverse health and potential non-carcinogenic effects.

Place, publisher, year, edition, pages
2016. Vol. 23, no 8, 8091-8103 p.
Keyword [en]
Dan River drainage, Heavy metals, Metal ore deposits, Water quality
National Category
Chemical Sciences Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-130962DOI: 10.1007/s11356-016-6074-xISI: 000374994600099PubMedID: 26782327OAI: oai:DiVA.org:su-130962DiVA: diva2:936627
Available from: 2016-06-14 Created: 2016-06-09 Last updated: 2016-06-14Bibliographically approved

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