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Comparison ofcharacteristics,water quality andhealth riskassessment of traceelements in surfacewater and groundwaterin China Shuangmei TongHairong LiMuyesaier Tudi2021 год

Comparison of characteristics, water quality and health risk assessment of trace elements in surface water and groundwater in China
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Аннотация: Water quality is closely associated with human health and socio-economic sustainable development. With the increasingly intensive anthropogenic activities, pollutants especially trace elements, enter water aquatic system and cause harm to humans. This study conducted the first systematic comparison on the pollution status of surface water and groundwater in China. Water quality and health risk assessment of 12 trace elements were evaluated according to the water quality index (WQI), hazard quotient (HQ), hazard index (HI), and carcinogenic risk (CR). The results showed that the average values of trace elements in the majority of surface water were higher than those in groundwater. The WQI values demonstrated that 86.02% of surface water and 83.11% of groundwater were suitable for drinking water. Arsenic served as the predominant pollutant and contributed significantly to cause the non‑carcinogenic risk on human health in both surface water and groundwater, children were more vulnerable to the adverse effects than adults. In surface water, the priority non-carcinogenic risk sites were mainly distributed in Anning River, Taizi River, Middle reaches of Huai River and Jilin section of Songhua River. For groundwater, the high-risk sites were located in Huhhot Basin, Kuitun, Jianghan Plain, Datong Basin and Yucheng County. Arsenic posed potential carcinogenic risk to local resident in some water sites, and it presented higher in groundwater than surface water. More concerns should be paid on Songhua, Yangtze and Huai River Basins, in addition, Pearl, Southeast Coastal, Southwest and Northwest River Basins still need attention. The future work should be carried out more extensive range of the water sites and long-term monitoring in China. In particular, more attention should be dedicated to assess high As water bodies.
Год издания: 2021
Авторы: Shuangmei Tong, Hairong Li, Muyesaier Tudi, Xing Yuan, Linsheng Yang
Издательство: Elsevier BV
Источник: Ecotoxicology and Environmental Safety
Ключевые слова: Heavy metals in environment, Water Quality and Pollution Assessment, Arsenic contamination and mitigation
Другие ссылки: Ecotoxicology and Environmental Safety (HTML)
DOAJ (DOAJ: Directory of Open Access Journals) (HTML)
Griffith Research Online (Griffith University) (PDF)
Griffith Research Online (Griffith University) (HTML)