Water chemistry of the headwaters of the Yangtze River (EI)
文献类型：期刊论文
| 作者 | Qu B.; Sillanpaa M.; Zhang Y.; Guo J.; Wahed M. S. M. A.; Kang S. |
| 刊名 | Environmental Earth Sciences
 |
| 出版日期 | 2015 |
| 卷号 | 74期号:8页码:6443-6458 |
| 英文摘要 | A total of 31 river water samples were collected from the headwater of the Yangtze River and its tributaries across Shigu Town to Mt. Tangula region. Water chemistry analysis was carried out to investigate water quality in the upstream Yangtze River. The results show that the headwaters of Yangtze River are turbid and have an alkaline environment with pH ranges from 8.3 to 9.3. The oxidation reduction potential (ORP) of the water varies from 77.1 to 134.2 mv with an average of 88.8 mv, indicating an anoxic water surface. Based on the ions analysis, the water chemistry of headwaters of the Yangtze River is affected by mineral (magnesium and calcium sulfate) weathering, evaporationcrystallization processes and ground water discharge. Concentrations of ions and elements except Hg in the headwaters of Yangtze River presented a trend of decreasing with the downward of altitude. All heavy metals and other toxic elements concentrations in this study were under the WHO and GB (China national standards) guidelines. But attention should be given to Hg because the concentration of Hg (2.6ng/l) was much higher than the world average (0.07ng/l) and it increased as the river flows down, which may become a threat to the inhabitants in the downstream area of the river. 2015, Springer-Verlag Berlin Heidelberg. |
| 收录类别 | EI |
| 语种 | 英语 |
| 源URL | [http://ir.casnw.net/handle/362004/27158]  |
| 专题 | 寒区旱区环境与工程研究所_中科院寒区旱区环境与工程研究所（未分类）_期刊论文 |
| 推荐引用方式 GB/T 7714 | Qu B.,Sillanpaa M.,Zhang Y.,et al. Water chemistry of the headwaters of the Yangtze River (EI)[J]. Environmental Earth Sciences,2015,74(8):6443-6458. |
| APA | Qu B.,Sillanpaa M.,Zhang Y.,Guo J.,Wahed M. S. M. A.,&Kang S..(2015).Water chemistry of the headwaters of the Yangtze River (EI).Environmental Earth Sciences,74(8),6443-6458. |
| MLA | Qu B.,et al."Water chemistry of the headwaters of the Yangtze River (EI)".Environmental Earth Sciences 74.8(2015):6443-6458. |
入库方式： OAI收割
来源：寒区旱区环境与工程研究所
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