Sediment pollution: An assessment of anthropogenic and geogenic trace element contributions along the central Algerian coast - IRSN - Institut de radioprotection et de sûreté nucléaire Accéder directement au contenu
Article Dans Une Revue Marine Pollution Bulletin Année : 2023

Sediment pollution: An assessment of anthropogenic and geogenic trace element contributions along the central Algerian coast

Résumé

Sediment cores from the central Algerian coast were collected to investigate the distribution, sources and risk of trace metals. The local geochemical background of metals was defined from the core S collected in an uncontaminated area of the coast. The anthropogenic inputs in Algiers Bay elevated Ag, Cd, Pb and Zn concentrations as their maximum were 3.1, 3, 2.1 and 1.8 times the background values, respectively. Meanwhile, increased contents of Arsenic (up to 21.1 mg/kg) were detected in all sites. Correlations and PCA suggest that lithogenic sources controlled metal deposition, while most sediment arsenic was agriculture-derived. Organic matter acted as a sink or source for some trace metals. According to EFs, the study area showed slight to moderate enrichment with respect to Ag, As, Pb, Cd, Zn and Cu, whereas they remained uncontaminated with Cr, V, Co and Ni. This study provides a needed baseline for future environmental investigations.
Fichier principal
Vignette du fichier
Aroua et al 2023 pre-proof.pdf (3.71 Mo) Télécharger le fichier
Origine Fichiers produits par l'(les) auteur(s)
Licence

Dates et versions

hal-04086451 , version 1 (02-05-2023)

Licence

Identifiants

Citer

Mohamed Aroua, Mostefa Boulahdid, Olivier Radakovitch, Moustafa Benhalima, Yassine Guendouzi, et al.. Sediment pollution: An assessment of anthropogenic and geogenic trace element contributions along the central Algerian coast. Marine Pollution Bulletin, 2023, 186, pp.114398. ⟨10.1016/j.marpolbul.2022.114398⟩. ⟨hal-04086451⟩
53 Consultations
112 Téléchargements

Altmetric

Partager

Gmail Mastodon Facebook X LinkedIn More