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Paper Information

Journal:   INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH (IJER)   WINTER 2014 , Volume 8 , Number 1; Page(s) 133 To 138.
 
Paper: 

TOXIC METAL DISTRIBUTION IN THE CORE SEDIMENT OF COCHIN ESTUARINE SYSTEM (CES)

 
 
Author(s):  MANJU P., NAIR AKHIL P.S., SUJATHA C.H.*
 
* DEPARTMENT OF CHEMICAL OCEANOGRAPHY, SCHOOL OF MARINE SCIENCES, COCHIN UNIVERSITY OF SCIENCE AND TECHNOLOGY, KOCHI-16, KERALA, INDIA
 
Abstract: 

This article present the result from a study of two sediment cores collected from the environmentally distinct zones of CES. Accumulation status of five toxic metals: Cadmium (Cd), Chromium (Cr), Cobalt (Co), Copper (Cu) and Lead (Pb) were analyzed. Besides texture and CHNS were determined to understand the composition of the sediment. Enrichment Factor (EF) and Anthropogenic Factor (AF) were used to differentiate the typical metal sources. Metal enrichment in the cores revealed heavy load at the northern (NS1) region compared with the southern zone (SS1). Elevation of metal content in core NS1 showed the industrial input. Statistical analyses were employed to understand the origin of metals in the sediment samples. Principal Component Analysis (PCA) distinguishes the two zones with different metal accumulation capacity: highest at NS1 and lowest at SS1. Correlation analysis revealed positive significant relation only in core NS1, adhering to the exposition of the intensified industrial pollution.

 
Keyword(s): TOXIC METAL, CORE SEDIMENT, CES, ENRICHMENT FACTOR, ANTHROPOGENIC FACTOR
 
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