干旱区生态环境知识资源中心(Arid): Impacts of climate change on irrigation water requirement of date palms under future salinity trend in coastal aquifer of Tunisian oasis

Arid

DOI	10.1016/j.agwat.2019.105843
	Impacts of climate change on irrigation water requirement of date palms under future salinity trend in coastal aquifer of Tunisian oasis
	Haj-Amor, Zied 1; Acharjee, Tapos Kumar 2; Dhaouadi, Latifa 3; Bouri, Salem 1
通讯作者	Haj-Amor, Zied
来源期刊	AGRICULTURAL WATER MANAGEMENT
ISSN	0378-3774
EISSN	1873-2283
出版年	2020
卷号	228
英文摘要	In coastal saline areas, many studies ignore salinity problems when quantifying the impacts of climate change on irrigation water requirement. Based on 11 years (2008-2018) of field investigations in a Tunisian coastal oasis, this study simulated the changes in salinity in a coastal aquifer and quantified changes in net irrigation requirement (NIR) of date palm under climate change, considering required changes in leaching requirement. The future salinity in the aquifer was simulated based on sea level rise and changes in aquifer recharge. The study applied a statistical downscaling model (SDSM) to project future climate variables from 2019 to 2050, the SUTRA model to evaluate the change in aquifer salinity, and applied CROPWAT software to calculate NIR. Three climate change scenarios were considered: RCP8.5 (very high emission scenario), RCP6.0 (medium emission scenario) and RCP4.5 (lowest emission scenario). Several useful finding were revealed in this study. First, these three climate change scenarios showed significant trend of increasing annual maximum and minimum temperatures, relative humidity, wind speed, and solar radiation, and a significant decreasing trend of future rainfall. Second, the average aquifer salinity is expected to increase from an average of 4.2 dS m(-1) in 2018 to about 5.3 dS m(-1) in 2050. Seawater intrusion was identified as the main cause for this remarkable increase. Finally, NIR is expected to increase from an average value of 1459 mm year(-1) during 2008-2018 to 1473-1950 mm year(-1) during 2019-2050, depending on climate change scenario applied. Increase in aquifer salinity significantly contributed to this rapid increase of NIR. We believe that our results should be considered in developing adaptation strategies to manage future water resources in coastal areas.
英文关键词	Date palms Climate change Irrigation requirement Simulation Salinity
类型	Article
语种	英语
国家	Tunisia ; Bangladesh
收录类别	SCI-E
WOS记录号	WOS:000525279000003
WOS关键词	SALINIZATION ; OASES ; GULF
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/2XILL650/313934
作者单位	1.Natl Engn Sch Sfax, Water Energy & Environm Lab, Sfax 3038, Tunisia; 2.Bangladesh Agr Univ, Dept Irrigat & Water Management, Mymensingh, Bangladesh; 3.Reg Res Ctr Oases Agr, Degueuch 2260, Tozeur, Tunisia
推荐引用方式 GB/T 7714	Haj-Amor, Zied,Acharjee, Tapos Kumar,Dhaouadi, Latifa,et al. Impacts of climate change on irrigation water requirement of date palms under future salinity trend in coastal aquifer of Tunisian oasis[J],2020,228.
APA	Haj-Amor, Zied,Acharjee, Tapos Kumar,Dhaouadi, Latifa,&Bouri, Salem.(2020).Impacts of climate change on irrigation water requirement of date palms under future salinity trend in coastal aquifer of Tunisian oasis.AGRICULTURAL WATER MANAGEMENT,228.
MLA	Haj-Amor, Zied,et al."Impacts of climate change on irrigation water requirement of date palms under future salinity trend in coastal aquifer of Tunisian oasis".AGRICULTURAL WATER MANAGEMENT 228(2020).