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Geochemistry of Metallic Trace Elements in Surficial Sediments of the Gulf of Morbihan, Brittany, France |
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M.C. Ong,
D. Menier,
N.A.M. Shazili and V. Dupont |
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 μg g-1 dry weight (Cr),
278±140 μg g-1 dry weight (Mn), 2.40±1.29% (Fe),
14.4±5.31 μg g-1 dry weight (Co), 16.4±10.3 μg
g-1 dry weight (Cu), 38.1±19.1 μg g-1 dry
weight (Zn), 34.6±13.9 μg g-1 dry weight (Pb) and 0.11±0.06
μg 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.
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How to cite this article:
M.C. Ong, D. Menier, N.A.M. Shazili and V. Dupont, 2012. Geochemistry of Metallic Trace Elements in Surficial Sediments of the Gulf of Morbihan, Brittany, France. Journal of Applied Sciences, 12: 2215-2224.
DOI: 10.3923/jas.2012.2215.2224
URL: https://scialert.net/abstract/?doi=jas.2012.2215.2224
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