Arid
DOI10.1007/s12665-017-6935-8
Effects of excessive irrigation of date palm on soil salinization, shallow groundwater properties, and water use in a Saharan oasis
Haj-Amor, Zied1; Toth, Tibor2; Ibrahimi, Mohamed-Khaled3; Bouri, Salem1
通讯作者Haj-Amor, Zied
来源期刊ENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
EISSN1866-6299
出版年2017
卷号76期号:17
英文摘要

In arid oases, soil salinity and a rise in shallow groundwater are serious threats to long-term sustainability of irrigated agriculture. Understanding the impacts of irrigation practices on soil salinity and shallow groundwater dynamics is critical for improving soil conditions and water efficiency. In this study, the impacts of excessive irrigation of date palms with low-quality water on soil salinization and shallow groundwater properties (depth and electrical conductivity) were evaluated for a 10-year period (2005-2015) in a Saharan Tunisian oasis. The study included three phases: (1) assessment of the suitability of groundwater for irrigating date palms; (2) quantification of the long-term water use of date palm plantations; and (3) quantification of dynamic patterns of soil electrical conductivity and shallow saline groundwater in the studied oasis for a 10-year period (2005-2015). Results of this study indicated that under high evapotranspiration conditions, the identified low-quality water resources (leading to high soil salinization risk) coupled with rapidly rising shallow groundwater at critical depths (<1.5 m) (resulting from the high water use) were key factors of the rapid increase in soil salinization within the oasis. The soil electrical conductivity built up to levels that exceeded the salt tolerance of date palms, estimated at 4 dS m(-1). Although the excessive use of irrigation water dilutes the groundwater, and its salinity decreases, the risk of increasing soil salinity is greater because of rising water table.


英文关键词Arid oases Excessive irrigation Shallow groundwater Soil salinization
类型Article
语种英语
国家Tunisia ; Hungary ; Japan
收录类别SCI-E
WOS记录号WOS:000410817000002
WOS关键词SALINITY ; TUNISIA ; AQUIFER ; REGION ; SCALE ; TABLE ; OASES
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/198681
作者单位1.Natl Engn Sch Sfax, Water Energy & Environm Lab, Sfax 3038, Tunisia;
2.HAS, Ctr Agr Res, Inst Soil Sci & Agr Chem, Herman O U 15, H-1022 Budapest, Hungary;
3.Univ Tokyo, Grad Sch Agr & Life Sci, Bunkyo Ku, 1-1-1 Yayoi, Tokyo 1138657, Japan
推荐引用方式
GB/T 7714
Haj-Amor, Zied,Toth, Tibor,Ibrahimi, Mohamed-Khaled,et al. Effects of excessive irrigation of date palm on soil salinization, shallow groundwater properties, and water use in a Saharan oasis[J],2017,76(17).
APA Haj-Amor, Zied,Toth, Tibor,Ibrahimi, Mohamed-Khaled,&Bouri, Salem.(2017).Effects of excessive irrigation of date palm on soil salinization, shallow groundwater properties, and water use in a Saharan oasis.ENVIRONMENTAL EARTH SCIENCES,76(17).
MLA Haj-Amor, Zied,et al."Effects of excessive irrigation of date palm on soil salinization, shallow groundwater properties, and water use in a Saharan oasis".ENVIRONMENTAL EARTH SCIENCES 76.17(2017).
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