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State of nitric pollution of the Mnasra aquifer, coastal zone of the Gharb plain (Morocco)


 
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1. Title Title of document State of nitric pollution of the Mnasra aquifer, coastal zone of the Gharb plain (Morocco)
 
2. Creator Author's name, affiliation, country N. Aziane; 1Ibn Tofail University, Faculty of Sciences, Department of Chemistry, Materials Engineering and Environment Laboratory: Modelling and Application, Kenitra, P. O. Box 133, Morocco; Morocco
 
2. Creator Author's name, affiliation, country M. Larif; Laboratoire des Procédés Membranaires Faculté des Sciences Kenitra Université Ibn Tofail; Morocco
 
2. Creator Author's name, affiliation, country Achraf Khaddari; Ibn Tofail University, Faculty of Sciences, Department of Geology, Kenitra, P. O. Box 133, Morocco; Morocco
 
2. Creator Author's name, affiliation, country Mohamed Ebn touhami; 1Ibn Tofail University, Faculty of Sciences, Department of Chemistry, Materials Engineering and Environment Laboratory: Modelling and Application, Kenitra, P. O. Box 133, Morocco; Morocco
 
2. Creator Author's name, affiliation, country A. Khaddari, M. Ebn touhami, H. Nassali, M.S. Elyoubi; 4Institut National de La Recherche Agronomique, CRRAR, Département de l'Environnement et la Conservation des Ressources Naturelles- Rabat, B.P. 6202, Morocco; Morocco
 
3. Subject Discipline(s)
 
3. Subject Keyword(s) Nitrate, pollution, groundwater, groundwater, Mnasra, Morocco.
 
4. Description Abstract

Summary
Nitrates are highly soluble and highly mobile chemical elements in water. Their presence in groundwater with high concentrations frequently indicates anthropogenic contamination. They come mainly from the massive use of nitrogen fertilizers or unpurified urban waste.

A physicochemical characterization of the nitrate and ammonium contents of the waters of the Mnasra aquifer was carried out following the sampling of 70 wells and boreholes during the months of June and July 2017. The results show high concentrations of nitrates, 82.85% of the wells taken will exceed the potability standard (50 mg / l). This is confirmed by the coarse nature and sandy soil texture that can promote nitrate leaching, the low water table in this region (70% of wells with depths less than 20 m), and the massive use of soil. fertilizers and fertilizers.

The analysis of temporal trends in nitrate concentrations observed over 23 years showed a significant degradation of the water quality of wells between 1993 and 2017 with excessive levels reaching five to six times the potability limit.
 
5. Publisher Organizing agency, location
 
6. Contributor Sponsor(s)
 
7. Date (YYYY-MM-DD) 05-08-2020
 
8. Type Status & genre Peer-reviewed Article
 
8. Type Type
 
9. Format File format PDF
 
10. Identifier Uniform Resource Identifier https://revues.imist.ma/index.php/morjchem/article/view/17149
 
10. Identifier Digital Object Identifier (DOI) https://doi.org/10.48317/IMIST.PRSM/morjchem-v8i4.17149
 
11. Source Title; vol., no. (year) Moroccan Journal of Chemistry; Vol 8, No 4 (2020)
 
12. Language English=en en
 
13. Relation Supp. Files State of nitric pollution of the Mnasra aquifer, coastal zone of the Gharb plain (Morocco) (586KB)
State of nitric pollution of the Mnasra aquifer, coastal zone of the Gharb plain (Morocco) (586KB)
 
14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
 
15. Rights Copyright and permissions Copyright (c) 2020 Moroccan Journal of Chemistry