Abstract
The aim of this study was to assess the levels of various trace metals present in water and sediment of fresh water aquatic ecosystem during the post monsoon season. The study was extended to identify the trace metal contamination in the water and sediment samples collected along the shores of Lambapur and Peddagattu the tribal villages in India using an Inductively Coupled Plasma Optical Emission Spectrometer (ICPMS). The trace metal contents in water samples were copper- 24.2 to 47.5, chromium- 4.4 to 8.2, cadmium- 0.1 to 0.3, lead- 2.1 to 3.8, Nickel- 5.9 to 9.7, Zinc- 4.6 to 9.7, Manganese- 10.8 to 13.2, Iron- 52.9 to 157.2 (µg L-1) cobalt and arsenic were in BDL and the values were within the limits of Indian drinking water standards (BIS 10500: 1991). The trace metals concentration in the sediment samples ranged from (mg kg-1): Copper- 61.5 to 113.7, chromium- 138.4 to 177.5, cobalt- 33.2 to 42.7, cadmium- 1.0 to 2.1, lead- 57.9 to 103.4, Nickel- 36.1 to 56.6, Zinc- 51.2 to 102.1, Manganese- 610.8 to 1301.7 and Iron- 2.5 to 2.9%. In our study, four reliable indices such as Enrichment factor, Contamination factor, Geoaccumulation Index and Pollution Load Index were applied to estimate metal pollution and the results comparison are discussed below. The data generated were used to determine the quality of the sediments based on the enrichment factor, contamination factor and degree of contamination, geochemical index and Pollution Load Index (PLI).
Highlights
Sediments that enter a reservoir may contain trace metals (Harikumar et al, 2009)
The study was extended to identify the trace metal contamination in the water and sediment samples collected along the shores of Lambapur and Peddagattu the tribal villages in India using an Inductively Coupled Plasma Optical Emission Spectrometer (ICPMS)
Iron was the major element in the sediment followed by Manganese and the concentration of other trace elementsare in the order of Fe>Mn>Cr>Cu>Pb>Zn>Ni>Co> contamination degree (Cd)
Summary
Sediments that enter a reservoir may contain trace metals (Harikumar et al, 2009). The study of materials from geological formations within the sediment cores have shown to be an excellent tool for catchment area and organic substances originating from establishing the effects of anthropogenic and natural decomposed plant and animal remains (Karbassi et al, 2011; Wang et al, 2007; Zhang and Shao, 2013). The conditions conducive to reduction together with low pH in toxic concentrations of heavy metal residues on the result in the mobilization of metals from the sediment to sediments will affect the natural aquatic life support the water column (Biati et al, 2010) This may lead to Corresponding Author: Kantha Deivi Arunachalam, Center for Environmental Nuclear Research, Directorate of Research, SRM University, Chennai-603203 Tamil Nadu, India. The main objective of this study was to determine the trace metal concentrations (Cd, Cr, Cu, Fe, Ni, Pb, Se, Co, As, Zn) in water and sediments within the shores of Peddagattu and Lambhapur the tribal village areas of nalgonda district andhra Pradesh, India. The study was carried out during the premonsoon period, March 2010
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