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Groundwater hydrochemistry, source identification and pollution assessment in intensive industrial areas, eastern Chinese loess plateau
Xiao, Jun1,3; Wang, Lingqing2; Chai, Ningpan4; Liu, Ting5; Jin, Zhangdong1,3; Rinklebe, Jorg6,7
2021-06-01
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume278Pages:12
Corresponding AuthorWang, Lingqing(wanglq@igsnrr.ac.cn)
AbstractGroundwater is essential for regional ecological-economic system and is an important resource of drinking water, especially in the Chinese Loess Plateau (CLP), where is a typical water-limited ecosystem. Groundwater quality deterioration will affect water security and exacerbate the water shortages. Groundwater hydrochemistry, pollution source apportionment, quality and health risks were evaluated based on analysis of major ions and selected trace elements in seasonal samples of the Fen River Basin (FRB) in the eastern CLP. Groundwaters in the FRB were mainly HCO3--Ca-2(+)-Na+ water type with low dissolved solutes in upstream samples, high values in midstream samples and medium values in downstream samples. Solutes in upstream samples were mainly derived from carbonate weathering, while those in midstream and downstream samples came from silicate weathering, evaporites dissolution and anthropogenic sources. Self-organizing map (SOM) showed the hydrochemistry remained unchanged from dry to wet season for most sampling points. The seasonal variations of Ag, Cd, Ni, Pb, and Tl were significant due to anthropogenic input. High NO3- in upstream and downstream samples resulted primarily from sewage discharge, and high SO42- in midstream and downstream samples was from gypsum- and coal-related industries. In addition, anthropogenic input related to coal industries significantly aggravates pollution of As, Ni, Ag, Fe, and Mn. Influenced by evaporites and anthropogenic input, midstream samples had high salinity, total hardness and water quality indices (WQIs) and were unsuitable for irrigation or drinking purposes. Seasonal variation of WQI in the FRB was unsignificant except Jiaokou River sub-basin, where groundwater quality was worse in the wet season than the dry season due to coal mining. Great attention should be paid to the high non-carcinogenic risks of exposure to F, V, Mn, and Cr via dermal absorption, particularly for children. Overall, groundwater quality in the FRB was best in upstream, medium in midstream and worst in midstream based on different index. Groundwater quality is deteriorated by anthropogenic input and the sewage discharge in the FRB should be strictly controlled. Our report provides a reference for groundwater pollution evaluation and source identification in similar areas. (c) 2021 Elsevier Ltd. All rights reserved.
KeywordGroundwater hydrochemistry Trace elements Source identification Groundwater quality Health risk assessment Fen river Basin
DOI10.1016/j.envpol.2021.116930
Indexed BySCI
Language英语
Funding ProjectCAS Light of West China program[XAB2018A02] ; Shaanxi Science Fund for Distinguished Young Scholars[2020JC-030] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB40020502]
Funding OrganizationCAS Light of West China program ; Shaanxi Science Fund for Distinguished Young Scholars ; Strategic Priority Research Program of Chinese Academy of Sciences
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000641373900001
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/161691
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Lingqing
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
3.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
4.Changan Univ, Sch Water & Environm, Xian 710054, Shaanxi, Peoples R China
5.Xian Univ Sci & Technol, Coll Geomat, Xian 710054, Peoples R China
6.Univ Wuppertal, Sch Architecture & Civil Engn, Inst Fdn Engn Water & Waste Management Soil & Gro, Pauluskirchstr 7, D-42285 Wuppertal, Germany
7.Sejong Univ, Dept Environm & Energy, Dept Environm, Seoul 05006, South Korea
Recommended Citation
GB/T 7714
Xiao, Jun,Wang, Lingqing,Chai, Ningpan,et al. Groundwater hydrochemistry, source identification and pollution assessment in intensive industrial areas, eastern Chinese loess plateau[J]. ENVIRONMENTAL POLLUTION,2021,278:12.
APA Xiao, Jun,Wang, Lingqing,Chai, Ningpan,Liu, Ting,Jin, Zhangdong,&Rinklebe, Jorg.(2021).Groundwater hydrochemistry, source identification and pollution assessment in intensive industrial areas, eastern Chinese loess plateau.ENVIRONMENTAL POLLUTION,278,12.
MLA Xiao, Jun,et al."Groundwater hydrochemistry, source identification and pollution assessment in intensive industrial areas, eastern Chinese loess plateau".ENVIRONMENTAL POLLUTION 278(2021):12.
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