Biogeochemistry of Lead in the Eastern Arabian Sea and Western Bay of Bengal

Biogeochemical cycling of lead (Pb) within the Indian Exclusive Economic Zone of the Arabian Sea and Bay of Bengal was examined in terms of the dissolved and particulate Pb concentration profiles. The relative distribution of Pb between the dissolved and particulate phases were found identical to th...

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Bibliographic Details
Published in:Environmental forensics 2010-09, Vol.11 (3), p.223-236
Main Authors: Rejomon, G., Kumar, P. K. Dinesh, Bahulayan, N.
Format: Article
Language:English
Subjects:
anthropogenic lead
Arabian Sea
Bay of Bengal
biogeochemistry
Dissolution
Economics
Indian
Lead (metal)
Phases
Scavenging
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Summary:Biogeochemical cycling of lead (Pb) within the Indian Exclusive Economic Zone of the Arabian Sea and Bay of Bengal was examined in terms of the dissolved and particulate Pb concentration profiles. The relative distribution of Pb between the dissolved and particulate phases were found identical to the two regions, with elevated surface concentrations derived from anthropogenic sources and low concentrations at depth due to particle scavenging. Higher industrial emissions from the Indian west coast resulted to 2.5 fold enrichment of Pb throughout the water column of the Arabian Sea in comparison to the Bay of Bengal.
ISSN:1527-5922
1527-5930
DOI:10.1080/15275920903558943