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Published in: Environmental Earth Sciences 10/2020

01-05-2020 | Original Article

Distribution, speciation and risk assessment of heavy metals: geochemical exploration of Gulf of Kachchh, Gujarat, India

Authors: Haresh Z. Panseriya, Haren B. Gosai, Amita O. Sankhwal, Bhumi K. Sachaniya, Deepa J. Gavali, Bharti P. Dave

Published in: Environmental Earth Sciences | Issue 10/2020

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Abstract

The present study includes analysis of six heavy metals, to determine spatial distribution and potential ecological risk at 10 stations of the Gulf of Kachchh, Gujarat, India. The geochemical exploration of toxic heavy metals on Gulf of Kachchh was evaluated using hierarchical cluster analysis (HCA). Pollution indices such as contamination factors (CF), pollution load index (PLI) and degree of contamination (Dc) were used to analyze the potential risk of Cu, Ni, Cr, Cd, Pb and Hg to the ecosystem of Gulf of Kachchh. The mean concentrations of six heavy metals were in the following order: Cr > Cu > Ni > Pb > Cd > Hg. Spatial distribution clearly indicated industrialization and domestic waste of major cities as sources of heavy metal contamination. Pollution indices revealed that Cu contamination at some of the stations was on the rise due to direct or indirect discharge from natural and anthropogenic sources which is of major concern. Despite episodic contamination by heavy metals on marine ecosystem of the Gulf of Kachchh, information obtained from geochemical characterization could be useful to develop effective management strategies to policy-makers and stake-holders.

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Metadata
Title
Distribution, speciation and risk assessment of heavy metals: geochemical exploration of Gulf of Kachchh, Gujarat, India
Authors
Haresh Z. Panseriya
Haren B. Gosai
Amita O. Sankhwal
Bhumi K. Sachaniya
Deepa J. Gavali
Bharti P. Dave
Publication date
01-05-2020
Publisher
Springer Berlin Heidelberg
Published in
Environmental Earth Sciences / Issue 10/2020
Print ISSN: 1866-6280
Electronic ISSN: 1866-6299
DOI
https://doi.org/10.1007/s12665-020-08972-x