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Hydrogeochemistry and quality of surface water and groundwater in the drinking water source area of an urbanizing region
Cao, Xianghui1; Lu, Yonglong1; Wang, Chenchen1; Zhang, Meng1; Yuan, Jingjing1; Zhang, Anqi1; Song, Shuai1; Baninla, Yvette1; Khan, Kifayatullah2; Wang, Yichao1
2019-12-30
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume186Pages:-
AbstractThe water quality in drinking water source area is essential for human health. Due to rapid urbanization and industrialization, the pollutants, especially trace elements, are continuously discharged into aquatic environment and pose a risk to human health. An extensive investigation was carried out in drinking water source area in highly urbanized Tianjin of China. Long-term monitoring data of the water body was collected on conventional physical and chemical parameters (pH, ions, TOC etc.) and metallic elements (Hg, As Cd, Pb, Co, U etc.) from 2005 to 2017. Our results showed that CaMg-Cl-SO4 and CaMg-HCO3 were the two prominent hydrochemical materials, implying that the pollution of aquatic system was mainly caused by anthropogenic activities and mineral dissolution within terms of drinking water guidelines (national and international standards), the concentrations of arsenic (As) and iron (Fe) were beyond the quality standards. Multivariate statistical approaches were applied to assess the origins of the elements. The results showed that human activities, as well as endogenous release, contributed significantly to appearance of trace elements. A transformation from low-trophic state to high-trophic state was in progress from 2005 to 2017 in Yuqiao reservoir, and most of the water was not heavily polluted by trace elements. The health risk assessment suggested that As had the potential to cause carcinogenic harm to the local residents, with daily dietary ingestion as the most predominant pathway.
Department城市与区域生态国家重点实验室
KeywordWater source area Physicochemical characteristics Trace elements Water quality Health risk
Document Type期刊论文
Identifierhttp://ir.rcees.ac.cn/handle/311016/42426
Collection城市与区域生态国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, 18 Shuangqing Rd, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Swat, Dept Environm & Conservat Sci, Swat 19130, Pakistan
Recommended Citation
GB/T 7714
Cao, Xianghui,Lu, Yonglong,Wang, Chenchen,et al. Hydrogeochemistry and quality of surface water and groundwater in the drinking water source area of an urbanizing region[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2019,186:-.
APA Cao, Xianghui.,Lu, Yonglong.,Wang, Chenchen.,Zhang, Meng.,Yuan, Jingjing.,...&Wang, Yichao.(2019).Hydrogeochemistry and quality of surface water and groundwater in the drinking water source area of an urbanizing region.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,186,-.
MLA Cao, Xianghui,et al."Hydrogeochemistry and quality of surface water and groundwater in the drinking water source area of an urbanizing region".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 186(2019):-.
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