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Status of Heavy Metal in the Lower Gangetic Delta: Implication of Acidification on Compartmentation | OMICS International | Abstract
ISSN: 2380-2391

Journal of Environmental Analytical Chemistry
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Research Article

Status of Heavy Metal in the Lower Gangetic Delta: Implication of Acidification on Compartmentation

Abhijit Mitra1*, Sufia Zaman1, Harekrishna Jana2, Tanmay Ray Chaudhuri3, Gahul Amin4, U.K. De5 and Somnath Das5

1Department of Marine Science, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, India

2Department of Microbiology, Panskura Banamali College, Purba Medinipur, India

3Department of Forest and Environmental Science, Techno India University, Salt Lake Campus Kolkata, India

4Department of Physics, Chanchal College, Malda, India

5School of Environmental Studies, Jadavpur University, Kolkata, India

*Corresponding Author:
Abhijit Mitra
Department of Marine Science
University of Calcutta
35, B.C. Road, Kolkata 700 019 (W.B), India
Tel: 09831269550
E-mail: [email protected]

Received date: March 16, 2014; Accepted date: April 10, 2014; Published date: April 12, 2014

Citation: Mitra A, Zaman S, Jana H, Chaudhuri TR, Amin G, et al. (2014) Status of Heavy Metal in the Lower Gangetic Delta: Implication of Acidification on Compartmentation. J Environ Anal Chem 1:111. doi: 10.4172/2380-2391.1000111

Copyright: © 2014 Mitra A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Increased atmospheric carbon dioxide concentrations are causing greater dissolution of carbon dioxide into the estuarine water, which is the key factor behind today’s ongoing ocean acidification and subsequent compartmentation of heavy metals in the system. We conducted a long term survey on temporal variation of pH and its impact on heavy metals in the Matla estuary, situated in the central part of Indian Sundarbans. The present study indicates the key role of acidification (major driver) in the exchange of heavy metals from sediment compartment to the overlying aquatic phase. The lowering of pH favours the process of dissolution of selected heavy metals (Zn, Cu and Pb) and promotes the transference of metallic compounds from the sediment to the aquatic phase.