Five decades of freshwater salinization in the Amu Darya River basin
文献类型：期刊论文
| 作者 | Hao, Lingang; Wang, Ping; Gojenko, Boris; Yu, Jingjie; Lv, Aifeng; Li, Fadong; Kenjabaev, Shavkat; Kulmatov, Rashid; Khikmatov, Fazliddin |
| 刊名 | JOURNAL OF HYDROLOGY-REGIONAL STUDIES
 |
| 出版日期 | 2023-06-01 |
| 卷号 | 47页码:101375 |
| 关键词 | Freshwater salinization Climate change Agricultural activities Amu Darya River |
| ISSN号 | 2214-5818 |
| DOI | 10.1016/j.ejrh.2023.101375 |
| 产权排序 | 1 |
| 文献子类 | Article |
| 英文摘要 | Study region: The Amu Darya River (ADR) basin in Central Asia.Study focus: To understand the spatiotemporal patterns and underlying driving mechanisms of river salinization in arid environments, this study gathered 50 years (1970-2019) of water chemistry data from 12 locations along the ADR. The variations in discharge and salinity were assessed by a linear regression model and violin plot. The salinity-discharge relationships were evaluated by a general hyperbolic model and Spearman's rank correlation coefficient. Random forest models were also constructed to identify the predominant drivers of river water saliniza-tion. Finally, a conceptual model of river water salinization was constructed.New hydrological insights for the region: The water salinity (S) in the upper stream of the ADR was 541-635 mg/L. Salinity showed an increasing trend along the river course, reaching 751-1560 mg/L downstream. In the downstream, the river salinity before the 1990 s (751-1128 mg/L) was slightly lower than that after the 1990 s (983-1560 mg/L). Generally, water salinity was notably correlated with river discharge (Q) in upstream, exhibiting a relationship of S= 17,497Q 0.62, p < 0.05, before the 1990 s. Interannual variation in river salinity is mainly controlled by secondary salinization, and intra-annual variation is controlled by river flow. From upstream to down-stream, the controlling salinization process changes from primary salinization to secondary salinization. Specifically, secondary salinization has accelerated due to intensified agricultural activities in recent years. |
| WOS关键词 | ARAL SEA ; CLIMATE-CHANGE ; QUALITY ; IMPACT |
| WOS研究方向 | Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:001043903900001 |
| 出版者 | ELSEVIER |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/194604]  |
| 专题 | 陆地水循环及地表过程院重点实验室_外文论文 |
| 作者单位 | 1.CGIAR 2.International Water Management Institute (IWMI) 3.National University of Uzbekistan 4.Chinese Academy of Sciences 5.Institute of Geographic Sciences & Natural Resources Research, CAS 6.University of Chinese Academy of Sciences, CAS |
| 推荐引用方式 GB/T 7714 | Hao, Lingang,Wang, Ping,Gojenko, Boris,et al. Five decades of freshwater salinization in the Amu Darya River basin[J]. JOURNAL OF HYDROLOGY-REGIONAL STUDIES,2023,47:101375. |
| APA | Hao, Lingang.,Wang, Ping.,Gojenko, Boris.,Yu, Jingjie.,Lv, Aifeng.,...&Khikmatov, Fazliddin.(2023).Five decades of freshwater salinization in the Amu Darya River basin.JOURNAL OF HYDROLOGY-REGIONAL STUDIES,47,101375. |
| MLA | Hao, Lingang,et al."Five decades of freshwater salinization in the Amu Darya River basin".JOURNAL OF HYDROLOGY-REGIONAL STUDIES 47(2023):101375. |
入库方式： OAI收割
来源：地理科学与资源研究所
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