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Using hydrochemical, stable isotope, and river water recharge data to identify groundwater flow paths in a deeply buried karst system
Qin, Dajun1; Zhao, Zhanfeng2,3; Guo, Yi1; Liu, Wencai1; Haji, Muhammed1; Wang, Xiaohong4; Xin, Baodong5; Li, Yu4; Yang, Yong6
2017-11-30
Source PublicationHYDROLOGICAL PROCESSES
ISSN0885-6087
Volume31Issue:24Pages:4297-4314
Corresponding AuthorQin, Dajun(qindj@mail.iggcas.ac.cn)
AbstractThe deeply buried river-connected Xishan karst aquifer (XKA) in western Beijing, China, has been suffering from diminishing recharge for several decades, which in turn leads to the disappearing of spring water outflows and continuously lowering of groundwater level in the area. Thus, it is important to correctly recognize the groundwater recharge and flow paths for the sustainable development of the XKA. To investigate these issues, the hydrochemical and isotopic compositions are analysed for both surface water and groundwater samples collected over an area of about 280km(2). Results show that (a) the river water is characterized by high Na contents; (b) the H-2 and O-18 values in the river water are distinctively higher than those of groundwater samples, after experiencing the long-time evaporative enrichment in the upstream reservoir; (c) the Sr concentrations and Sr-87/Sr-86 ratios of groundwater clearly indicated the interaction between water and carbonate minerals but excluded the water-silicate interaction; and (d) the groundwater samples in the direct recharge area of the XKA have the lowest Na concentrations and the H-2 and O-18 values. Based on the large differences in the Na contents and O-18 values of groundwater and surface water, a simple two-component mixing model is developed for the study area and the fractions of the river water are estimated for groundwater samples. We find that the distribution pattern of the river water fractions in the XKA clearly shows a change of directions in the preferential flow path of the groundwater from its source zone to the discharge area. Overall, our results suggest that the recharged surface water can be a useful evidence for delineating the groundwater flow path in river-connected karst aquifer. This study improves our understanding of the heterogeneity in karst groundwater systems.
KeywordBeijing China environmental tracers groundwater flow path karst aquifer surface water recharge
DOI10.1002/hyp.11356
WOS KeywordUPPER FLORIDAN AQUIFER ; SURFACE-WATER ; STRONTIUM ISOTOPES ; LIMESTONE AQUIFER ; NORTHERN CHINA ; SR ISOTOPES ; CARBONATE DISSOLUTION ; CLIMATE VARIABILITY ; ROCK INTERACTION ; YOUNG FRACTION
Indexed BySCI
Language英语
Funding ProjectBeijing Municipal Science and Technology Commission[Z141100003614060] ; Karst Groundwater Resources Exploration and Assessment in Beijing[BJYRS-ZT-7] ; National Natural Sciences Foundation[41172215]
Funding OrganizationBeijing Municipal Science and Technology Commission ; Karst Groundwater Resources Exploration and Assessment in Beijing ; National Natural Sciences Foundation
WOS Research AreaWater Resources
WOS SubjectWater Resources
WOS IDWOS:000416149500004
PublisherWILEY
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/60973
Collection中国科学院地理科学与资源研究所
Corresponding AuthorQin, Dajun
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
3.Univ Waterloo, Dept Earth & Environm Sci, Waterloo, ON, Canada
4.Beijing Geol Prospecting & Developing, Beijing 100195, Peoples R China
5.Beijing Inst Hydrogeol & Engn Geol, Beijing 100195, Peoples R China
6.Beijing Water Sci & Technol Inst, Beijing 100048, Peoples R China
Recommended Citation
GB/T 7714
Qin, Dajun,Zhao, Zhanfeng,Guo, Yi,et al. Using hydrochemical, stable isotope, and river water recharge data to identify groundwater flow paths in a deeply buried karst system[J]. HYDROLOGICAL PROCESSES,2017,31(24):4297-4314.
APA Qin, Dajun.,Zhao, Zhanfeng.,Guo, Yi.,Liu, Wencai.,Haji, Muhammed.,...&Yang, Yong.(2017).Using hydrochemical, stable isotope, and river water recharge data to identify groundwater flow paths in a deeply buried karst system.HYDROLOGICAL PROCESSES,31(24),4297-4314.
MLA Qin, Dajun,et al."Using hydrochemical, stable isotope, and river water recharge data to identify groundwater flow paths in a deeply buried karst system".HYDROLOGICAL PROCESSES 31.24(2017):4297-4314.
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