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    Mercury enrichment in sediments of Amba estuary

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    Indian_J_Mar_Sci_38_89.pdf (1.159Mb)
    Date
    2009
    Author
    Ram, A.
    Rokade, M.A.
    Zingde, M.D.
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    Abstract
    Concentrations of Hg, total organic carbon (TOC), Al, Fe and Mn were determined in sediment of the Amba Estuary between the mouth and the head over a distance of 24 km in December and May during 1997-2002. Temporal and spatial changes in metal concentrations appear to be due to sediment movement associated with tidal movements. The Hg concentration varies in 0.05-2.66 mu g g sup(-1) range and the profiles of its variation indicate Patalganga River that opens in the Amba Estuary is a major source of anthropogenic metal to the estuary. Geoaccumulation index and enrichment factor support Hg contamination of the estuarine sediment to a varying degree. Hg is not significantly correlated with TOC, Al, Fe and Mn in these sediments
    URI
    http://drs.nio.org/drs/handle/2264/3349
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