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

被引：10

作者：

Aroua, Mohamed ^{[1
]}

Boulahdid, Mostefa ^{[1
]}

Radakovitch, Olivier ^{[2
]}

Benhalima, Moustafa ^{[1
,3
]}

Guendouzi, Yassine ^{[3
]}

Fowler, Scott W. ^{[4
,6
]}

Ambrosi, Jean-Paul ^{[5
]}

机构：

[1] Univ Campus Dely Ibrahim, Natl Higher Sch Marine Sci & Coastal Management EN, Lab Marine & Coastal Ecosyst ECOSYSMarL, BP19,Bois Des Cars, Algiers 16320, Algeria

[2] Inst Radioprotect & Surete Nucl IRSN, PSE, LRTA, SRTE, BP3, F-13115 St Paul Les Durance, France

[3] Univ Ctr Tipaza Morsli Abdallah, Sci Inst, Lab Management & Valorizat Agr & Aquat Ecosyst, Tipasa 42200, Algeria

[4] SUNY Stony Brook, Sch Marine & Atmospher Sci, Stony Brook, NY 11794 USA

[5] Aix Marseille Univ, Coll France, CNRS, IRD,INRA,CEREGE, Aix En Provence, France

[6] Inst Bobby, 8 Allee Orangers, F-06320 Cap Dail, France

来源：

MARINE POLLUTION BULLETIN | 2023年 / 186卷

关键词：

Metallic pollution; Sediment cores; Geochemical background; Sources identification; Environmental risk assessment; Sediment quality guidelines (SQGs); ECOLOGICAL RISK-ASSESSMENT; HEAVY-METAL; SURFACE SEDIMENTS; MARINE-SEDIMENTS; BOTTOM SEDIMENTS; RIVER CATCHMENT; SHIMA RIVER; CONTAMINATION; QUALITY; AREA;

D O I：

10.1016/j.marpolbul.2022.114398

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

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.

引用

页数：14

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