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Environmental Geochemistry of Core Sediment in the Cochin Estuary (CE), India

Author Affiliations

  • 1Department of Chemical Oceanography, School of Marine Sciences, Cochin University of Science and Technology, Kochi-16, Kerala, INDIA

Res.J.chem.sci., Volume 3, Issue (4), Pages 65-69, April,18 (2013)

Abstract

Distribution of toxic metal in the sediment core is an important area of research for environmental impact studies. Sediment cores were collected from two prominent region(C and C2) of CE and subjected to geochemical analysis to determine distribution of toxic metals (Cd, Co, Cr, Cu and Pb ), texture characteristics, total organic carbon (TOC) and CHNS. Statistical analysis was done to understand the interrelationship between the components. In the studied cores, metal contamination level was identified for Pb, Cu; Cr, in C1 and C2 respectively. The metal distribution depends on the granulometric factor, geogenic mineral components and anthropogenic input. Correlation analysis (CA) and Principal component(PCA) analysis also support these results.

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