Next Article in Journal
Insights on the Impacts of Hydroclimatic Extremes and Anthropogenic Activities on Sediment Yield of a River Basin
Previous Article in Journal
Dynamics of Greenhouse Gas (GHG) Emissions in the Transportation Sector of Senegal
Article

Assessment of Trace Metals in Sediments from Khnifiss Lagoon (Tarfaya, Morocco)

1
LGMSS−URAC45, Faculty of Sciences, Chouaib Doukkali University, El Jadida 24000, Morocco
2
ENEA C.R. Casaccia, Department for Sustainability, 00123 Rome, Italy
3
ENEA C.R. Portici, Department for Sustainability, Portici, 00196 Naples, Italy
*
Author to whom correspondence should be addressed.
Now working at ISPRA—The Italian National Institute for Environmental Protection and Research, 00144 Rome, Italy.
Earth 2021, 2(1), 16-31; https://doi.org/10.3390/earth2010002
Received: 19 November 2020 / Revised: 6 December 2020 / Accepted: 7 December 2020 / Published: 23 December 2020
Surface sediments from Khnifiss lagoon (Morocco) were analyzed to evaluate the contamination degree of the area. Concentrations of V, Cr, Co, Ni, Cu, Zn, As, Cd, Hg, and Pb were determined on samples taken during the summer and the autumn of 2016. On the whole, higher concentrations were found in the summer season. The results revealed the following average concentrations (mg/kg), reported in descending order: Zn (51.7 ± 31.3) > V (38.8 ± 24.7) > Cr (26.6 ± 17.8) > Ni (16.5 ± 5.47) > As (8.50 ± 2.00) > Cu (6.60 ± 3.81) > Pb (6.13 ± 3.46) > Co (3.57 ± 2.09) > Cd (0.16 ± 0.11) > Hg (0.006 ± 0.001). Organic matter showed a positive significant correlation with some trace metals (mainly V, Cr, Co, Zn, Cd, Pb). Three pollution indices were calculated: Enrichment Factor (EF), Index of Geo−accumulation (Igeo), and Pollution Load Index (PLI). Minimal enrichments (for Zn, As, and Cd) were detected at some sampling points. Overall indices showed that the Khnifiss sediments can be classified as not contaminated, and that the trace metals amounts found are ascribable to the geogenic origin. The results of this work can be used as a starting point for further evaluations of trace metals distribution in Moroccan lagoons. View Full-Text
Keywords: Khnifiss Lagoon; trace metals; enrichment factor; sediment geochemistry; contamination assessment Khnifiss Lagoon; trace metals; enrichment factor; sediment geochemistry; contamination assessment
Show Figures

Graphical abstract

MDPI and ACS Style

Tnoumi, A.; Angelone, M.; Armiento, G.; Caprioli, R.; Crovato, C.; De Cassan, M.; Montereali, M.R.; Nardi, E.; Parrella, L.; Proposito, M.; Spaziani, F.; Zourarah, B. Assessment of Trace Metals in Sediments from Khnifiss Lagoon (Tarfaya, Morocco). Earth 2021, 2, 16-31. https://doi.org/10.3390/earth2010002

AMA Style

Tnoumi A, Angelone M, Armiento G, Caprioli R, Crovato C, De Cassan M, Montereali MR, Nardi E, Parrella L, Proposito M, Spaziani F, Zourarah B. Assessment of Trace Metals in Sediments from Khnifiss Lagoon (Tarfaya, Morocco). Earth. 2021; 2(1):16-31. https://doi.org/10.3390/earth2010002

Chicago/Turabian Style

Tnoumi, Ali, Massimo Angelone, Giovanna Armiento, Raffaela Caprioli, Cinzia Crovato, Maurizio De Cassan, Maria R. Montereali, Elisa Nardi, Luisa Parrella, Marco Proposito, Fabio Spaziani, and Bendahhou Zourarah. 2021. "Assessment of Trace Metals in Sediments from Khnifiss Lagoon (Tarfaya, Morocco)" Earth 2, no. 1: 16-31. https://doi.org/10.3390/earth2010002

Find Other Styles

Article Access Map by Country/Region

1
Back to TopTop