干旱区生态环境知识资源中心(Arid): Effects of Ecological Water Conveyance on Soil Salinization in the Shiyang River Basin's Terminal Lake-Qingtu Lake-Area

Arid

DOI	10.3390/su141610311
	Effects of Ecological Water Conveyance on Soil Salinization in the Shiyang River Basin's Terminal Lake-Qingtu Lake-Area
	Yang, Jianxia; Zhao, Jun; Zhu, Guofeng; Wen, Yuanyuan; Wang, Yanqiang; Liu, Jialiang; Yang, Zhihui
通讯作者	Zhao, J
来源期刊	SUSTAINABILITY
EISSN	2071-1050
出版年	2022
卷号	14 期号:16
英文摘要	(1) Background: Recently, secondary soil salinization has frequently occurred in ecological water conveyance and irrigation areas. Therefore, monitoring the information on soil salinization in the conveyance irrigation area and analyzing the change process of soil salinization are of great significance to both environmental improvement and salinization management. (2) Methods: This study takes the Shiyang River's terminal lake-Qingtu Lake-and its surroundings as the research area. The salinization index was extracted by remote sensing data and methods, and a comprehensive salinization model (CSI) was established. Firstly, the spatial distribution regular of soil salinization, since ecological water conveyance was explored, and the change trends in soil salinization were analyzed. Secondly, the relationship between the change characteristics of soil salinization and groundwater, water area changes and land use types were analyzed. (3) Results: The Kappa coefficient between the soil salinization extracted by CSI and the measured data reached 0.703, and CSI can accurately monitor soil salinization information. From 2011 to 2020, the non-salinized land increased by 2.1%, mild and moderate salinization decreased by 5.7% and 3.9%, respectively, and severe salinization increased by 7.5%. The salinization in the lake area showed a decreasing trend, and the periphery of the lake area showed an increasing trend. Groundwater, water area changes and land use type have certain influences on soil salinization in the study area. (4) Conclusion: Since ecological water conveyance, the total proportion of soil salinized area in Qingtu Lake and its surrounding areas has not changed much, but there are certain changes between different grades of salinized land. The areas with changes to the level of salinization are mainly shallow, unstable water areas, saline-alkali land, wetlands and sandy land, and there are secondary salinization problems in these areas.
英文关键词	ecological water conveyance soil salinization secondary salinization ecological remote sensing arid inland river basin
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E ; SSCI
WOS记录号	WOS:000845262300001
WOS关键词	OASIS ; COVER ; CHINA ; MODEL
WOS类目	Green & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies
WOS研究方向	Science & Technology - Other Topics ; Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/394626
推荐引用方式 GB/T 7714	Yang, Jianxia,Zhao, Jun,Zhu, Guofeng,et al. Effects of Ecological Water Conveyance on Soil Salinization in the Shiyang River Basin's Terminal Lake-Qingtu Lake-Area[J],2022,14(16).
APA	Yang, Jianxia.,Zhao, Jun.,Zhu, Guofeng.,Wen, Yuanyuan.,Wang, Yanqiang.,...&Yang, Zhihui.(2022).Effects of Ecological Water Conveyance on Soil Salinization in the Shiyang River Basin's Terminal Lake-Qingtu Lake-Area.SUSTAINABILITY,14(16).
MLA	Yang, Jianxia,et al."Effects of Ecological Water Conveyance on Soil Salinization in the Shiyang River Basin's Terminal Lake-Qingtu Lake-Area".SUSTAINABILITY 14.16(2022).