Arid
DOI10.3390/w11081673
Effects of Ecological Water Conveyance on the Hydrochemistry of a Terminal Lake in an Inland River: A Case Study of Qingtu Lake in the Shiyang River Basin
Zhang, Yu1; Zhu, Guofeng1,2; Ma, Huiying1; Yang, Jianxia1; Pan, Hanxiong1; Guo, Huiwen1; Wan, Qiaozhuo1; Yong, Leilei1
通讯作者Zhu, Guofeng
来源期刊WATER
EISSN2073-4441
出版年2019
卷号11期号:8
英文摘要Along with the growth of the population and economic and social development, water consumption in the upper-middle reaches of inland rivers is increasing, which has resulted in long-term cutout in the lower reaches of the river, shrinkage and drying up of the wetlands around the terminal lakes, and has caused a series of ecological problems at the same time. In order to protect the fragile ecological environment, comprehensive harnessing projects have been carried out in many inland river basins in China, in which adopting ecological water conveyance to rehabilitate degraded terminal lakes and wetlands is an important means. From June 2014 to October 2017, the water in the upper-middle reaches of the Shiyang River Basin and the lake water of the terminal lake after ecological water conveyance was sampled. The effects of ecological water conveyance on the characteristics of surface water and groundwater were analyzed using, for example, the Piper triangle diagram, Gibbs boomerang envelope model, and mixing diagram. After ecological water conveyance, the ion concentration of water in Qingtu Lake was higher overall, and ion concentration of water in the unstable catchment was higher than that of the stable catchment. The time variation was characterized as high in the summer half year and low in the winter half year. The water of Qingtu Lake is of high and large salinity, and its hydrochemical type is Na-SO4 (Cl), which is obviously different from the water in the middle-upper reaches of the Shiyang River Basin. The effects of silicate weathering and evaporation crystallization are the main factors leading to the high ion concentration in the water of Qingtu Lake. Ecological water conveyance and the strong evaporation of arid areas have intensified the salinization of water and soils in Qingtu Lake. Meanwhile, implementing the ecological water conveyance policy in the terminal lake has also led to shortage of water resources for agricultural irrigation in the middle reaches of the Shiyang River Basin. The serial negative ecological effects of the ecological water conveyance should be emphasized.
英文关键词arid area terminal lake ecological water conveyance salinization of water
类型Article
语种英语
国家Peoples R China
开放获取类型gold
收录类别SCI-E
WOS记录号WOS:000484561500147
WOS关键词LOWER REACHES ; DIVERSION ; CHEMISTRY ; RATES
WOS类目Environmental Sciences ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/219243
作者单位1.Northwest Normal Univ, Coll Geog & Environm Sci, Lanzhou 730070, Gansu, Peoples R China;
2.Chinese Acad Sci, Northwest Inst Ecoenvironm Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Yu,Zhu, Guofeng,Ma, Huiying,et al. Effects of Ecological Water Conveyance on the Hydrochemistry of a Terminal Lake in an Inland River: A Case Study of Qingtu Lake in the Shiyang River Basin[J],2019,11(8).
APA Zhang, Yu.,Zhu, Guofeng.,Ma, Huiying.,Yang, Jianxia.,Pan, Hanxiong.,...&Yong, Leilei.(2019).Effects of Ecological Water Conveyance on the Hydrochemistry of a Terminal Lake in an Inland River: A Case Study of Qingtu Lake in the Shiyang River Basin.WATER,11(8).
MLA Zhang, Yu,et al."Effects of Ecological Water Conveyance on the Hydrochemistry of a Terminal Lake in an Inland River: A Case Study of Qingtu Lake in the Shiyang River Basin".WATER 11.8(2019).
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