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Groundwater quality and freshening processes in the aquifer of the Bou-Areg plain
Chaouni Alia, A.; El Halimi, N.; Van Camp, M.; Walraevens, K. (1999). Groundwater quality and freshening processes in the aquifer of the Bou-Areg plain, in: De Breuck, W. et al. (Ed.) Proceedings of the 15th Salt-Water Intrusion Meeting Ghent (Belgium), 25-29 May 1998. Natuurwetenschappelijk Tijdschrift, 79(1-4): pp. 145-153
In: De Breuck, W.; Walschot, L. (Ed.) (1999). Proceedings of the 15th Salt-Water Intrusion Meeting Ghent (Belgium), 25-29 May 1998. Natuurwetenschappelijk Tijdschrift, 79(1-4). Natuurwetenschappelijk Tijdschrift: Gent. 307 pp., meer
In: Natuurwetenschappelijk Tijdschrift. L. Walschot/Natuur- en Geneeskundige Vennootschap: Gent. ISSN 0770-1748, meer
Peer reviewed article  

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Documenttype: Congresbijdrage

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Auteurs  Top 
  • Chaouni Alia, A.
  • El Halimi, N.
  • Van Camp, M., meer
  • Walraevens, K., meer

Abstract
    During November-December 1996 and September 1997, more than 140 groundwater samples have been collected trom the wells and piezometers in Bou-Areg plain (near Nador, north-eastern Morocco). The samples have been analysed tor the major cations and anions.The salinity of the groundwater varies from less than 1000 µS/cm (20 °C) in the central, south-eastern and western part of the study area, 10 more than 10000 µS/cm (20°C) in certain areas as the coastal zone and the area of Selouane. The lower concentrations have been attributed to freshening phenomena due to two factors:-rainfall recharge in the mountains; -infillration of irrigation water.Different water types have been determined and the influence of irrigation and regional-rainfall recharge is reflected in the major part of the study area.The freshening evolution in time and in space is modelled in a cross-section.

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