干旱区生态环境知识资源中心(Arid): Integrating multiple electromagnetic data to map spatiotemporal variability of soil salinity in Kairouan region, Central Tunisia

Arid

DOI	10.1007/s40333-022-0052-6
	Integrating multiple electromagnetic data to map spatiotemporal variability of soil salinity in Kairouan region, Central Tunisia
	Zarai, Besma; Walter, Christian; Michot, Didier; Montoroi, Jean P.; Hachicha, Mohamed
通讯作者	Zarai, B
来源期刊	JOURNAL OF ARID LAND
ISSN	1674-6767
EISSN	2194-7783
出版年	2022
英文摘要	Soil salinization is a major problem affecting soils and threatening agricultural sustainability in arid and semi-arid regions, which makes it necessary to establish an efficient strategy to manage soil salinity and confront economic challenges that arise from it. Saline soil recovery involving drainage of shallow saline groundwater and the removal of soil salts by natural rainfall or by irrigation are good strategies for the reclamation of salty soil. To develop suitable management strategies for salty soil reclamation, it is essential to improve soil salinity assessment process/mechanism and to adopt new approaches and techniques. This study mapped a recovered area of 7200 m(2) to assess and verify variations in soil salinity in space and time in Kairouan region in Central Tunisia, taking into account the thickness of soil materials. Two electromagnetic conductivity meters (EM38 and EM31) were used to measure the electrical conductivity of saturated soil-paste extract (ECe) and apparent electrical conductivity (ECa). Multiple linear regression was established between ECe and ECa, and it was revealed that ECa-EM38 is optimal for ECe prediction in the surface soils. Salinity maps demonstrated that the spatial structure of soil salinity in the region of interest was relatively unchanged but varied temporally. Variation in salinity at the soil surface was greater than that at a depth. These findings can not only be used to track soil salinity variations and their significance in the field but also help to identify the spatial and temporal features of soil salinity, thus improving the efficiency of soil management.
英文关键词	electrical conductivity soil salinity saturated paste extract apparent electrical conductivity multiple linear regression Tunisia
类型	Article ; Early Access
语种	英语
开放获取类型	Bronze
收录类别	SCI-E
WOS记录号	WOS:000761139600001
WOS关键词	ELECTRICAL-CONDUCTIVITY ; SPATIAL VARIABILITY ; DEPTH RELATIONS ; VARIOGRAMS ; WATER ; IRRIGATION ; INVERSION ; DYNAMICS ; PREDICTION ; TRENDS
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/2XILL650/377224
推荐引用方式 GB/T 7714	Zarai, Besma,Walter, Christian,Michot, Didier,et al. Integrating multiple electromagnetic data to map spatiotemporal variability of soil salinity in Kairouan region, Central Tunisia[J],2022.
APA	Zarai, Besma,Walter, Christian,Michot, Didier,Montoroi, Jean P.,&Hachicha, Mohamed.(2022).Integrating multiple electromagnetic data to map spatiotemporal variability of soil salinity in Kairouan region, Central Tunisia.JOURNAL OF ARID LAND.
MLA	Zarai, Besma,et al."Integrating multiple electromagnetic data to map spatiotemporal variability of soil salinity in Kairouan region, Central Tunisia".JOURNAL OF ARID LAND (2022).