Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.ecoenv2015.12.025 |
Sources identification and pollution evaluation of heavy metals in the surface sediments of Bortala River, Northwest China | |
Zhang, Zhaoyong1; Li Juying1; Mamat, Zulpiya2,3; Ye QingFu4 | |
通讯作者 | Li Juying |
来源期刊 | ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
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ISSN | 0147-6513 |
EISSN | 1090-2414 |
出版年 | 2016 |
卷号 | 126页码:94-101 |
英文摘要 | The current study focused on the Bortala River - a typical inland river located in an oasis of arid area in northwestern China. The sediment and soil samples were collected from the river and drainage basin. Results showed that: (1) the particle size of the sand fraction of the sediments was 78-697 Am, accounting for 78.82% of the total samples; the average concentrations of eight heavy metals fell within the concentration ranges recommended by the Secondary National Standard of China, while the maximum concentrations of Pb, Cd, and Hg exceeded these standards; (2) results from multivariate statistical analysis indicated that Cu, Ni, As, and Zn originated primarily from natural geological background, while Cd, Pb, Hg and Cr in the sediments originated from human activities; (3) results of the enrichment factor analysis and the geo-accumulation index evaluation showed that Cd, Hg, and Pb were present in the surface sediments of the river at low or partial serious pollution levels, while Zn, Cr, As, Ni, and Cu existed at zero or low pollution levels; (4) calculation of the potential ecological hazards index showed that among the eight tested heavy metals, Cd, Pb, Hg, and Cr were the main potential ecological risk factors, with relative contributions of 25.43%, 22.23%, 21.16%, and 14.87%, respectively; (5) the spatial distribution of the enrichment factors (EFs), the Geo-accumulation index (I,), and the potential ecological risk coefficient (V) for eight heavy metals showed that there was a greater accumulation of heavy metals Pb, Cd, and Hg in the sediments of the central and eastern parts of the river. Results of this research can be a reference for the heavy metals pollution prevention, the harmony development of the ecology protection and the economy development of the oases of inland river basin of arid regions of China, Central Asia and also other parts of the world. (C) 2015 Elsevier Inc. All rights reserved. |
英文关键词 | Heavy metals Source identification Pollution assessment Potential risk assessment Surface sediments Bortala River Northwest China |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
收录类别 | SCI-E |
WOS记录号 | WOS:000370393700012 |
WOS关键词 | POLYCYCLIC AROMATIC-HYDROCARBONS ; ECOLOGICAL RISK-ASSESSMENT ; LAKE ; CONTAMINATION ; DELTA ; WATER ; ACCUMULATION ; HEILONGJIANG ; ENRICHMENT ; MATTER |
WOS类目 | Environmental Sciences ; Toxicology |
WOS研究方向 | Environmental Sciences & Ecology ; Toxicology |
来源机构 | 新疆大学 |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/192523 |
作者单位 | 1.Shenzhen Univ, Coll Chem Environm Engn, Shenzhen 518060, Peoples R China; 2.Xinjiang Univ, Coll Resources & Environm Sci, Xinjiang Key Lab Oasis Ecol, Urumqi 830046, Peoples R China; 3.Xinjiang Univ, Ecol Postdoctoral Res Stn, Urumqi 830046, Peoples R China; 4.Zhejiang Univ, Coll Agr & Biotechnol, Hangzhou 310020, Zhejiang, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Zhaoyong,Li Juying,Mamat, Zulpiya,et al. Sources identification and pollution evaluation of heavy metals in the surface sediments of Bortala River, Northwest China[J]. 新疆大学,2016,126:94-101. |
APA | Zhang, Zhaoyong,Li Juying,Mamat, Zulpiya,&Ye QingFu.(2016).Sources identification and pollution evaluation of heavy metals in the surface sediments of Bortala River, Northwest China.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,126,94-101. |
MLA | Zhang, Zhaoyong,et al."Sources identification and pollution evaluation of heavy metals in the surface sediments of Bortala River, Northwest China".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 126(2016):94-101. |
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