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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Intra-annual variations of arsenic totals and species in tropical estuary surface sediments
Chemical Geology, Volume 322-323, Year 2012
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Description
Arsenic totals and species were found to vary during a one year period in the surface sediments of Godavari estuary (the third largest river in India). This study suggests that increasing salinity of overlying water column of sediments may alter the mobility of arsenic complexes in an estuarine system. The higher salt (NaCl) concentrations result in less arsenic adsorption to the sediment due to formation of weak arsenic complexes because of competition from Cl - ions or due to a reduction in interparticle attraction by the action of Na +. It is suggested that controlled freshwater discharge (from a dam) in an estuary influences the salinity of surface water and can have significant impact on the distribution and speciation of arsenic in the sediments and water column in such system. © 2012 Elsevier B.V.
Authors & Co-Authors
Chakraborty, Parthasarathi
India, Goa
National Institute of Oceanography India
Jayachandran, Saranya
India, Goa
National Institute of Oceanography India
India, Kochi
Cochin University of Science and Technology
Babu, P. V.Raghunadh
India, Goa
National Institute of Oceanography India
Karri, Santha
India, Goa
National Institute of Oceanography India
India, Hyderabad
Jawaharlal Nehru Technological University Hyderabad
Tyadi, Priyadarshini
India, Goa
National Institute of Oceanography India
Yao, Koffi Marcellin
India, Goa
National Institute of Oceanography India
Cote D'ivoire, Abidjan
Centre de Recherches Oceanographiques
Sharma, Brijmohan
India, Goa
National Institute of Oceanography India
India, New Delhi
Teri School of Advanced Studies
Statistics
Citations: 36
Authors: 7
Affiliations: 5
Identifiers
Doi:
10.1016/j.chemgeo.2012.06.018
ISSN:
00092541
Research Areas
Environmental