干旱区生态环境知识资源中心(Arid): Study on drainage strategy of ditch wetland in semi -arid area under the influence of inflow from the upstream irrigation area

Arid

DOI	10.1016/j.agwat.2021.106792
	Study on drainage strategy of ditch wetland in semi -arid area under the influence of inflow from the upstream irrigation area
	Li, Shan; Wu, Miao; Jia, Zhonghua; Luo, Wan; Fei, Liangjun; Li, Jingsi
通讯作者	Li, S (corresponding author), Xian Univ Technol, State Key Lab Ecohydraul Northwest Arid Reg, Xian, Peoples R China.
来源期刊	AGRICULTURAL WATER MANAGEMENT
ISSN	0378-3774
EISSN	1873-2283
出版年	2021
卷号	248
英文摘要	Salt drainage from farmlands can potentially degrade the ecological function of ditch wetlands in arid and semi -arid irrigation areas. However, such ditch wetlands may accept different quantities and salt concentrations of upstream inflows, which may have positive or negative effects on the water and salt dynamics of ditch wetland systems and, therefore, on the associated water and salt management measures. In this paper, we propose a new theoretical analysis model that enables us to study the influence of different upstream inflows on the water?salt dynamics and drainage strategies for ditch wetland in the study area. The research carried out by us has revealed that upstream inflow is one of the most important factors influencing ditch wetlands under the current condi-tions. An increase in salinity or a decrease in flow will negatively affect the ecology of the ditch wetland. In contrast, which will improve the ditch wetland environment. Nevertheless, wetlands are more sensitive to changes in salinity than to the volume of upstream inflow. Based on the combined effects of the salinity and quantity of its inflow on the wetlands, it can be divided into four categories: no-risk, low-risk, medium-risk, and high-risk. The inflow with no risk and low risk will have a positive effect on the ditch wetland system and drainage management, while medium-risk and high-risk conditions will increase the difficulty of drainage management, These results provide the insights needed to guide the design of drainage management practices for ditch wetlands in semi-arid regions that receive upstream inflows to maximize the benefits to the agricultural system and the environment.
英文关键词	Farmland-wetland system Water and salt balance Risk categories Wetland outflow ratio Drainage management
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000632329300003
WOS类目	Agronomy ; Water Resources
WOS研究方向	Agriculture ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/349326
作者单位	[Li, Shan; Wu, Miao; Fei, Liangjun; Li, Jingsi] Xian Univ Technol, State Key Lab Ecohydraul Northwest Arid Reg, Xian, Peoples R China; [Jia, Zhonghua; Luo, Wan] Yangzhou Univ, Dept Agr & Water Resources Engn, Yangzhou, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Li, Shan,Wu, Miao,Jia, Zhonghua,et al. Study on drainage strategy of ditch wetland in semi -arid area under the influence of inflow from the upstream irrigation area[J],2021,248.
APA	Li, Shan,Wu, Miao,Jia, Zhonghua,Luo, Wan,Fei, Liangjun,&Li, Jingsi.(2021).Study on drainage strategy of ditch wetland in semi -arid area under the influence of inflow from the upstream irrigation area.AGRICULTURAL WATER MANAGEMENT,248.
MLA	Li, Shan,et al."Study on drainage strategy of ditch wetland in semi -arid area under the influence of inflow from the upstream irrigation area".AGRICULTURAL WATER MANAGEMENT 248(2021).