Geochemistry of metallic trace elements in surficial sediments of the gulf of Morbihan, Brittany, France

Ong, M.C. and Menier, D. and Shazili, N.A.M. and Dupont, V. (2012) Geochemistry of metallic trace elements in surficial sediments of the gulf of Morbihan, Brittany, France. Journal of Applied Sciences, 12 (21). pp. 2215-2224. ISSN 18125654

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Abstract

Concentration of selected Metallic Trace Elements (MTEs), chromium, manganese, iron, cobalt, copper, zinc, lead and cadmium in surficial sediments from gulf of Morbihan were studied in order to understand the current MTEs contamination due to urbanization and mariculture economic development surrounding the gulf region. Therefore, the distribution, enrichment and accumulation of MTEs in 101 surficial sediments collected by Orange Peel grab were characterized for MTEs content using ICP-MS after mixed acid digestion. The average concentrations of selected MTEs were 36.2±23.9 pg g-1 dry weight (Cr), 278±140 pg g-1 dry weight (Mn), 2.40±1.29 (Fe), 14.4-L-5.31 pg g-1 dry weight (Co), 16.4±10.3 Vg g-1 dry weight (Cu), 38.1±19.1 pg g-1 dry weight (Zn), 34.6±13.9 pg g-1 dry weight (Pb) and 0.11±0.06 pg g-1 dry weight (Cd), respectively. Results from the analysis showed that MTEs studied have relatively low index of geo-accumulation and enrichment factors values and were in value to conclude practically uncontaminated within the gulf. Overall, the geochemistry of the sediment of gulf of Morbihan was influenced by both natural and anthropogenic inputs to the catchment. However, direct comparison with upper continental crust indicated that natural processes were more dominant than anthropogenic input in concentrating metals. © 2012 Asian Network for Scientific Information.

Item Type: Article
Additional Information: cited By 3
Uncontrolled Keywords: Anthropogenic inputs; Average concentration; Dry weight; Economic development; Enrichment factors; Gulf of morbihan; Gulf region; Index of geo-accumulation; Low index; Metallic trace elements; Mixed acids; Natural process; Orange peels; Upper continental crust, Cadmium; Catchments; Chromium; Cobalt; Geochemistry; Heavy metals; Inductively coupled plasma mass spectrometry; Lead; Manganese; Marine biology; Surficial sediments; Zinc, Copper
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 09 Nov 2023 15:50
Last Modified: 09 Nov 2023 15:50
URI: https://khub.utp.edu.my/scholars/id/eprint/2391

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