Abstract：
:Arsenic (As) contamination was studied and reported for the first time in the sediments of the Cochin estuary. Surface sediment samples were collected from twenty-seven stations encompassing the entire estuary constituting south, central and north estuary. The total As concentration varied from 0.01 mg/kg to 9.28 mg/kg and undetected to 23.37 mg/kg during the pre and post-monsoon. The degree of contamination assessed in terms of geochemical indices such as contamination factor (CF), geoaccumulation index (Igeo) and enrichment factor (EF) unraveled the As contamination to be meager. The application of risk index factor and sediment quality guidelines showed that the As concentration in the estuary is below the background concentration. Pearson correlation analysis of As with iron and TOC exhibited significant weak and poor correlations with these variables.
journal_name
Mar Pollut Bulljournal_title
Marine pollution bulletinauthors
Mathew J,Gopinath Adoi
10.1016/j.marpolbul.2019.110567subject
Has Abstractpub_date
2019-12-01 00:00:00pages
110567eissn
0025-326Xissn
1879-3363pii
S0025-326X(19)30711-8journal_volume
149pub_type
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