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Seasonal effects on contamination characteristics of tap water from rural Beijing: A multiple isotope approach
Peters, Marc1; Guo, Qingjun1,2; Strauss, Harald3; Wei, Rongfei1; Li, Siliang4; Yue, Fujun4
2020-09-01
Source PublicationJOURNAL OF HYDROLOGY
ISSN0022-1694
Volume588Pages:10
Corresponding AuthorGuo, Qingjun(guoqj@igsnrr.ac.cn)
AbstractExcessive exploitation of the groundwater and discharge of urban and industrial wastewater into the environment led to a significant decline of the local surface and groundwater quality in many parts of the Beijing urban area. In the present study, tap water derived from deep groundwater (> 70 m depth) was collected in two seasons in the rural area around urban Beijing, China, in order to shed light on the hydrochemical composition of the local drinking water. For these, cation (Ca2+, K+, Mg2+, Na+, NH4+) and anion (Cl-, NO3-, SO42-, F-) concentrations were measured. In addition, multiple stable isotope (delta(15) N-nitrate, delta O-18(nitrate), delta S-34(sulfate), delta O-18(sulfate), Delta S-33(sulfate)) analyses were applied for identifying the specific hydrochemical processes and major contamination sources. The result showed that thirty percent of the analyzed tap water in the wet season and twenty-three percent in the dry season do not comply with the national legislation and represent a serious health risk, primarily due to high nitrate concentrations. Moreover, half of tap water could not be drunk due to the pollution of ammonium in wet season. Thereby, the most deteriorated tap water was derived from the highest populated areas in rural Beijing. Multiple isotopes reveal urban sewage as the dominant pollution source for deep groundwater as the principle tap water source. Therefore, it is necessary to control public and private sewage disposal and exchange leaking sewer pipes in order to reduce the risk of anthropogenic contamination of groundwater, representing the prime drinking water source in the Beijing area. This study demonstrates clearly the advantage of multi-isotope approach for evaluating water quality problems in urban groundwater.
KeywordTap water Water quality Nitrate and sulfate Multiple isotopes Beijing rural area
DOI10.1016/j.jhydrol.2020.125037
WOS KeywordDISSOLVED SULFATE ; DRINKING-WATER ; FLUORIDE CONCENTRATION ; GROUNDWATER QUALITY ; RIVER-BASIN ; WASTE-WATER ; LAND-USE ; NITRATE ; CHINA ; DENITRIFICATION
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41625006] ; National Natural Science Foundation of China[41761144066] ; National Natural Science Foundation of China[41561144005] ; National Natural Science Foundation of China[41890822] ; National Natural Science Foundation of China[41890824] ; Sino-German Center of China[GZ1055] ; Fellowship for Young International Scientists of Chinese Academy of Sciencees[XDB15020401]
Funding OrganizationNational Natural Science Foundation of China ; Sino-German Center of China ; Fellowship for Young International Scientists of Chinese Academy of Sciencees
WOS Research AreaEngineering ; Geology ; Water Resources
WOS SubjectEngineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000568826300077
PublisherELSEVIER
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/156884
Collection中国科学院地理科学与资源研究所
Corresponding AuthorGuo, Qingjun
Affiliation1.Chinese Acad Sci, Ctr Environm Remediat, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
3.Westfalische Wilhelms Univ Munster, Inst Geol & Palaontol, Corrensstr 24, D-48149 Munster, Germany
4.Tianjin Univ, Inst Surface Earth Syst Sci, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Peters, Marc,Guo, Qingjun,Strauss, Harald,et al. Seasonal effects on contamination characteristics of tap water from rural Beijing: A multiple isotope approach[J]. JOURNAL OF HYDROLOGY,2020,588:10.
APA Peters, Marc,Guo, Qingjun,Strauss, Harald,Wei, Rongfei,Li, Siliang,&Yue, Fujun.(2020).Seasonal effects on contamination characteristics of tap water from rural Beijing: A multiple isotope approach.JOURNAL OF HYDROLOGY,588,10.
MLA Peters, Marc,et al."Seasonal effects on contamination characteristics of tap water from rural Beijing: A multiple isotope approach".JOURNAL OF HYDROLOGY 588(2020):10.
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