Feasibility of water desalination for irrigation: the case of the coastal irrigated area of Dyiar-Al-Hujjej, Tunisia

Irrigation in Tunisia is threatened all over the country. The irrigated coastal area of Dyiar-Al-Hujjej has observed a drop in agricultural activity following a seawater intrusion. Thus, yields have become disrupted in direct relation to the quantities of fresh water supplied and transferred over a...

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Autores principales:	Issam Daghari, Mohamed Ramadhane El Zarroug, Charles Muanda, Jean Robert Kompany, Sabri Kanzari, Anouar Ben Mimoun
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	added value crops net revenue rainy season crops water desalination for irrigation water scarcity Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506
Acceso en línea:	https://doaj.org/article/f275bf80f97c4ba99d526e308969668b
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spelling	oai:doaj.org-article:f275bf80f97c4ba99d526e308969668b2021-11-06T07:05:13ZFeasibility of water desalination for irrigation: the case of the coastal irrigated area of Dyiar-Al-Hujjej, Tunisia1606-97491607-079810.2166/ws.2020.218https://doaj.org/article/f275bf80f97c4ba99d526e308969668b2021-02-01T00:00:00Zhttp://ws.iwaponline.com/content/21/1/24https://doaj.org/toc/1606-9749https://doaj.org/toc/1607-0798Irrigation in Tunisia is threatened all over the country. The irrigated coastal area of Dyiar-Al-Hujjej has observed a drop in agricultural activity following a seawater intrusion. Thus, yields have become disrupted in direct relation to the quantities of fresh water supplied and transferred over a distance of 100 km. For the sustainability of this area, the feasibility of using desalinated water to stabilize the irrigation water supply was analyzed. When all crop water requirements are to be met with desalinated water, the net income is negative for crops currently grown, except strawberry. All the open-field crops remain unprofitable even in the case of agro-industrial development, except tomatoes. A blending between desalinated seawater and aquifer saltwater also leads to a negative income for the main crops. The introduction of greenhouses to replace the same open-season crops is beneficial when desalinated water is used. The use of desalinated water in irrigation faces the high cost of desalination (0.5 US $/m3) while the average price of irrigation water in Tunisia is 0.05 US $/m3. Desalination can be recommended only in the case of crops with low need for water and high added value.Issam DaghariMohamed Ramadhane El ZarrougCharles MuandaJean Robert KompanySabri KanzariAnouar Ben MimounIWA Publishingarticleadded value cropsnet revenuerainy season cropswater desalination for irrigationwater scarcityWater supply for domestic and industrial purposesTD201-500River, lake, and water-supply engineering (General)TC401-506ENWater Supply, Vol 21, Iss 1, Pp 24-45 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	added value crops net revenue rainy season crops water desalination for irrigation water scarcity Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506
spellingShingle	added value crops net revenue rainy season crops water desalination for irrigation water scarcity Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506 Issam Daghari Mohamed Ramadhane El Zarroug Charles Muanda Jean Robert Kompany Sabri Kanzari Anouar Ben Mimoun Feasibility of water desalination for irrigation: the case of the coastal irrigated area of Dyiar-Al-Hujjej, Tunisia
description	Irrigation in Tunisia is threatened all over the country. The irrigated coastal area of Dyiar-Al-Hujjej has observed a drop in agricultural activity following a seawater intrusion. Thus, yields have become disrupted in direct relation to the quantities of fresh water supplied and transferred over a distance of 100 km. For the sustainability of this area, the feasibility of using desalinated water to stabilize the irrigation water supply was analyzed. When all crop water requirements are to be met with desalinated water, the net income is negative for crops currently grown, except strawberry. All the open-field crops remain unprofitable even in the case of agro-industrial development, except tomatoes. A blending between desalinated seawater and aquifer saltwater also leads to a negative income for the main crops. The introduction of greenhouses to replace the same open-season crops is beneficial when desalinated water is used. The use of desalinated water in irrigation faces the high cost of desalination (0.5 US $/m3) while the average price of irrigation water in Tunisia is 0.05 US $/m3. Desalination can be recommended only in the case of crops with low need for water and high added value.
format	article
author	Issam Daghari Mohamed Ramadhane El Zarroug Charles Muanda Jean Robert Kompany Sabri Kanzari Anouar Ben Mimoun
author_facet	Issam Daghari Mohamed Ramadhane El Zarroug Charles Muanda Jean Robert Kompany Sabri Kanzari Anouar Ben Mimoun
author_sort	Issam Daghari
title	Feasibility of water desalination for irrigation: the case of the coastal irrigated area of Dyiar-Al-Hujjej, Tunisia
title_short	Feasibility of water desalination for irrigation: the case of the coastal irrigated area of Dyiar-Al-Hujjej, Tunisia
title_full	Feasibility of water desalination for irrigation: the case of the coastal irrigated area of Dyiar-Al-Hujjej, Tunisia
title_fullStr	Feasibility of water desalination for irrigation: the case of the coastal irrigated area of Dyiar-Al-Hujjej, Tunisia
title_full_unstemmed	Feasibility of water desalination for irrigation: the case of the coastal irrigated area of Dyiar-Al-Hujjej, Tunisia
title_sort	feasibility of water desalination for irrigation: the case of the coastal irrigated area of dyiar-al-hujjej, tunisia
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/f275bf80f97c4ba99d526e308969668b
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Feasibility of water desalination for irrigation: the case of the coastal irrigated area of Dyiar-Al-Hujjej, Tunisia

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