Article (Scientific journals)
Assessment of Multiple Trace Metal Fluxes in a Semi-Arid Watershed Containing Mine Tailing, Using a Multiple Tool Approach (Zaida Mine, Upper Moulouya Watershed, Morocco)
Mimouni, Yassine; Chafi, Abdelhafid; Bouabdli, Abdelhak et al.
2024In Hydrology, 11 (7), p. 105
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Keywords :
GIS; remote sensing; RUSLE model; sediment contamination; soil erosion; trace metals flux; Oceanography; Water Science and Technology; Waste Management and Disposal; Earth-Surface Processes
Abstract :
[en] Few studies have quantified the complex flux of trace metals from mine tailings to rivers through water erosion, especially in the semi-arid region of North Morocco (Zaida mine) where soil erosion is a severe issue. This study applies (i) methods to understand and estimate the complex flux of trace metals from mine tailings to rivers, using the RUSLE model combined with the concentration of trace metals in the soil and additionally (ii) pollution indices and statistical analyses to assess the sediment contamination by Cd, Cu, Pb, and Zn. Our study revealed that the basin has a low erosion rate, with an average of 9.1 t/ha/yr. Moreover, the soil contamination is particularly high at the north of the mine tailings, as prevailing winds disperse particles across the basin. The assessment of the sediments indicated that Pb is the main contaminant, with concentrations exceeding 200 mg/kg specifically downstream of the tailings. This study also identified high a concentration of trace elements 14 km away from the tailings alongside the Moulouya river, due to the specific hydrological transport patterns in the area. This research contributes to a better understanding of the transport and fate of the trace metals in mining areas. It proposes a replicable method that can be applied in other regions to assess the contamination flows and thereby assist water resource management.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Mimouni, Yassine  ;  Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS) ; Laboratory for Agricultural Productions Improvement, Biotechnology and Environment, Department of Biology, Faculty of Sciences, University Mohammed First, Oujda, Morocco
Chafi, Abdelhafid;  Laboratory for Agricultural Productions Improvement, Biotechnology and Environment, Department of Biology, Faculty of Sciences, University Mohammed First, Oujda, Morocco
Bouabdli, Abdelhak ;  Laboratory of Geosciences, Department of Geology, Faculty of Science, Ibn Tofail University, Kenitra, Morocco
Baghdad, Bouamar;  Casablanca School of Architecture and Landscape—Honoris United Universities, Casablanca, Morocco
Deliège, Jean-François  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Aquapôle
Language :
English
Title :
Assessment of Multiple Trace Metal Fluxes in a Semi-Arid Watershed Containing Mine Tailing, Using a Multiple Tool Approach (Zaida Mine, Upper Moulouya Watershed, Morocco)
Publication date :
17 July 2024
Journal title :
Hydrology
eISSN :
2306-5338
Publisher :
Multidisciplinary Digital Publishing Institute (MDPI)
Volume :
11
Issue :
7
Pages :
105
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
WBI - Wallonie-Bruxelles International
Funding text :
This research was conducted with the support of Wallonie-Bruxelles International (WBI).
Available on ORBi :
since 23 September 2024

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