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Stable isotope evidence for identifying the recharge mechanisms of precipitation, surface water, and groundwater in the Ebinur Lake basin
Hao, Shuai1,2,3,4; Li, Fadong1,2,3,4; Li, Yanhong3,4; Gu, Congke1,2; Zhang, Qiuying3,4,5; Qiao, Yunfeng1,2; Jiao, Li3,4; Zhu, Nong1
2019-03-20
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume657Pages:1041-1050
Corresponding AuthorLi, Fadong(lifadong@igsnrr.ac.cn)
AbstractArid areas cover more than one third of global land, and as such, water resources are vital for this fragile ecosystem. In order to reveal the recharge mechanisms among different water bodies in arid areas, precipitation, surface water, and groundwater were sampled in the Ebinur Lake basin, Xinjiang, China, and the isotopic values for hydrogen and oxygen were measured. The stable isotope values of precipitation showed significant seasonal variation, with minimum values in the winter, medium values in the spring and autumn, and maximum values in the summer. The slope and intercept of local meteoric water line were both lower than that of global meteoric water line, indicating subcloud evaporation effect. The vapor source of precipitation was dominated by the westerlies, but the regional re-evaporation vapor accounted for some proportions as well. In the Bortala River and Jinghe River, the stable isotopic values varied spatially, tending to be enriched with the river flow. The stable isotopic values for lake water were significantly higher than those of river water, which reflected a stronger evaporation and concentration effect of the lake water. The stable isotopic values of groundwater featured similar spatial variation compared to the river, and phreatic water evaporated to some extent. In the Bortala River, owing to its specific hydrogeological structure, the exchange rates between the groundwater and the river water were higher upstream than in the middle and lower reaches. In the Jinghe River, the deep groundwater aquifer received recharge from the shallow groundwater layers and from the river. At the edge of the Ebinur Lake, the interaction of groundwater and surface water was low and springs became the important recharge source for the lake. The results of this study provide insights into the determination of river hydrological processes and the management of water resources. (C) 2018 Published by Elsevier B.V.
KeywordPrecipitation Surface water Groundwater Recharge mechanism Stable isotope Arid areas
DOI10.1016/j.scitotenv.2018.12.102
WOS KeywordCLIMATE-CHANGE ; RIVER-BASIN ; MOISTURE ; SYSTEM ; REGION ; NORTH ; SOUTH
Indexed BySCI
Language英语
Funding ProjectTianshan Scholar Project[3010010161] ; National Natural Science Foundation of China[41561104] ; National Natural Science Foundation of China[U180320005]
Funding OrganizationTianshan Scholar Project ; National Natural Science Foundation of China
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000455903400102
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/50510
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Fadong
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
3.Xinjiang Normal Univ, Urumqi 830054, Peoples R China
4.Key Lab Xinjiang Uygur Autonomous Reg, Xinjiang Arid Area Lake Environm & Resources Lab, Urumqi 830054, Peoples R China
5.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Hao, Shuai,Li, Fadong,Li, Yanhong,et al. Stable isotope evidence for identifying the recharge mechanisms of precipitation, surface water, and groundwater in the Ebinur Lake basin[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,657:1041-1050.
APA Hao, Shuai.,Li, Fadong.,Li, Yanhong.,Gu, Congke.,Zhang, Qiuying.,...&Zhu, Nong.(2019).Stable isotope evidence for identifying the recharge mechanisms of precipitation, surface water, and groundwater in the Ebinur Lake basin.SCIENCE OF THE TOTAL ENVIRONMENT,657,1041-1050.
MLA Hao, Shuai,et al."Stable isotope evidence for identifying the recharge mechanisms of precipitation, surface water, and groundwater in the Ebinur Lake basin".SCIENCE OF THE TOTAL ENVIRONMENT 657(2019):1041-1050.
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