978-620-0-30918-1

Geochemical assessment and sediment characteristics of Manakudy estuarine

surface sediments, SW-Coast of India

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Summary:

To gain a better understanding the sedimentological behaviour in the estuarine, coastal environment and their distribution patterns in trace elements in the estuary and to examine variations in associated sediment fluxes, 20 surface samples were collected throughout the Manakudy estuary, a minor Pazhayar river in south-western India. These samples, collected in typical dry season during Premonsoon 2012, were analyzed for Sedimentological, Textural and Trace Elements (HOAc). Our results show that estuary is dominated by sand fraction of the sediments (72.68%), the conservative behavior of trace metals with salinity has been strongly has been affected by the introduction of these metals by external sources and they are due to the higher organic activity in soils as well as faster rates of chemical weathering reaction in the source region. Even though the trace metals in the contaminated sediments have been removed and incorporated in sediments due to flocculation, the concentration of these metals did not decrease. The present study provides a history of accumulation of trace metals and their present level, and the data can be used as a baseline to monitor the estuaries environments.

Author:

S. Muthusamy

Biographie:

My research interests include in sediment Geochemistry of multi-environments. In addition, I am involved in monitoring environmental pollution in coastal marine and adjoining ecosystems.

Author:

V. Gopal

Biographie:

Author:

M. Jayaprakash

Biographie:

Number of Pages:

76

Book language:

English

Published On:

2019-09-23

ISBN:

978-620-0-30918-1

Publishing House:

LAP LAMBERT Academic Publishing

Keywords:

trace metals, geochemistry, Estuary, India

Product category:

SCIENCE / Earth Sciences