Geochemistry of core sediments from Mullipallam creek,South East coast of India |
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| Authors: | M Sundararajan Usha Natesan |
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| Institution: | (1) National Institute for Interdisciplinary Science and Technology, Council of Scientific and Industrial Research, Industrial Estate PO, Pappanamcode, Trivandrum, 695019, India;(2) Centre for Environmental Studies, Anna University, Chennai, 600025, India |
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| Abstract: | The Mullipallam creek in Muthupet mangroves region is the only E-W trending coastal strip in the SE coast of India and is
very important, as the mangrove acts as a barrier to natural diasters. Natural, anthropogenic signals and accumulation of
elements were made by collecting sediment samples at various depths in a core. All sediments were analyzed for carbonates
(CaCO3), organic carbon (OC), major (Si, Al, Fe, Na, K, Ca, Mg, P), and trace (Mn, Cr, Cu, Ni, Co, Pb, Zn). Normalization with Al
values has been done for all the major and trace elements and enrichment factors have been calculated. The calculated enrichment
factors and comparison indicate that the trace metals (especially Pb) are enriched mainly due to the external (anthropogenic)
activities in the land as well as in the coastal zone (Palk Strait). |
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