Knowledge Resource Center for Ecological Environment in Arid Area
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
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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). |
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