干旱区生态环境知识资源中心(Arid): Multi-isotopes ( δ D, δ 18 O water, 87 Sr/ 86 Sr, δ 34 S and δ 18 O sulfate ) as indicators for groundwater salinization genesis and evolution of a large agricultural drainage lake basin in Inner Mongolia, Northwest China

Arid

DOI	10.1016/j.scitotenv.2024.174181
	Multi-isotopes ( δ D, δ 18 O water, 87 Sr/ 86 Sr, δ 34 S and δ 18 O sulfate ) as indicators for groundwater salinization genesis and evolution of a large agricultural drainage lake basin in Inner Mongolia, Northwest China
	Qu, Shen; Zhao, Yuanzhen; Zhang, Keyi; Wang, Juliang; Li, Muhan; Yang, Xu; Ren, Xiaohui; Hao, Yanling; Yu, Ruihong
通讯作者	Qu, S ; Yu, RH
来源期刊	SCIENCE OF THE TOTAL ENVIRONMENT
ISSN	0048-9697
EISSN	1879-1026
出版年	2024
卷号	946
英文摘要	Groundwater salinization, a major eco-environmental problem in arid and semi -arid areas, can accelerate soil salinization, reducing crop productivity and imbalances in ecosystem diversity. This study classified water samples collected from the Ulansuhai Lake basin into five clusters using self -organizing maps (SOM). On this basis, multiple isotopes ( delta 18 O water , delta D, 87 Sr/ 86 Sr, delta 18 O sulfate and delta 34 S) and isotopic models (Rayleigh fractionation and Bayesian isotope mixing models) were used to identify and quantify the genesis and evolution of groundwater salinization. The results showed that the samples were brackish or saline water, and the hydrochemical types were dominated by Na + K-Cl (SO 4 ). It has been proved that the processes associated with groundwater salinization in the Ulansuhai Lake basin were dominated by water -rock interaction and human inputs. Among them, evaporite dissolution contributed substantially to groundwater salinity. Furthermore, salt inputs from human activities cannot be negligible. Based on the model calculations, evaporite dissolution accounted for the most significant proportion of all sources, with a mean value of 53 %. In addition, human inputs from regular agricultural activities (28 % from sewage and manure and 8 % from fertilizers) constituted another vital source of groundwater salinization associated with extensive agricultural activities in the study area. This study 's results can deepen our understanding of the genesis of groundwater salinization and the evolution of the agricultural drainage lake basin. This knowledge will assist the Environmental Protection Department in developing effective policies for groundwater management in the Yellow River Basin.
英文关键词	Groundwater salinization Stable isotopes Isotopic models Spatial characteristics Ulansuhai Lake basin
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001261571500001
WOS关键词	SURFACE-WATER ; COASTAL ; SALINITY ; IRRIGATION ; CHEMISTRY ; AQUIFER ; QUALITY ; MODEL ; AREA
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/405515
推荐引用方式 GB/T 7714	Qu, Shen,Zhao, Yuanzhen,Zhang, Keyi,et al. Multi-isotopes ( δ D, δ 18 O water, 87 Sr/ 86 Sr, δ 34 S and δ 18 O sulfate ) as indicators for groundwater salinization genesis and evolution of a large agricultural drainage lake basin in Inner Mongolia, Northwest China[J],2024,946.
APA	Qu, Shen.,Zhao, Yuanzhen.,Zhang, Keyi.,Wang, Juliang.,Li, Muhan.,...&Yu, Ruihong.(2024).Multi-isotopes ( δ D, δ 18 O water, 87 Sr/ 86 Sr, δ 34 S and δ 18 O sulfate ) as indicators for groundwater salinization genesis and evolution of a large agricultural drainage lake basin in Inner Mongolia, Northwest China.SCIENCE OF THE TOTAL ENVIRONMENT,946.
MLA	Qu, Shen,et al."Multi-isotopes ( δ D, δ 18 O water, 87 Sr/ 86 Sr, δ 34 S and δ 18 O sulfate ) as indicators for groundwater salinization genesis and evolution of a large agricultural drainage lake basin in Inner Mongolia, Northwest China".SCIENCE OF THE TOTAL ENVIRONMENT 946(2024).