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Metal Geochemistry and Contamination Assessment of Tropical Mangrove Sediments.

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Title: Metal Geochemistry and Contamination Assessment of Tropical Mangrove Sediments.
Authors: Mathew, Jennees1 (AUTHOR), Gopinath, Anu2 (AUTHOR) dranugopinath@gmail.com
Source: Soil & Sediment Contamination. 2025, Vol. 34 Issue 5, p867-887. 21p.
Subjects: Contaminated sediments, Geochemistry, Sediment sampling, Pollution, Mangrove plants
Abstract: The objective of this study was to evaluate the metal geochemistry and contamination assessment of the metals such as Fe, Co, Cd, Pb, Ni, Zn, Mg, Ca, and Sr from the surface sediment samples collected from seven stations from a tropical mangrove area in the Southwest coast of India. Metals like Ni and Fe were found in higher concentrations but never exceeded the contamination level in all the seasons whereas Cd was highly contaminated in all the seasons as well as stations. Pollution levels were measured using the indices including contamination Factor (CF), potential ecological risk coefficient (Eir), Enrichment Factor (EF), geoaccumulation index (Igeo), Pollution load index (PLI), Contamination degree (Cdegree), modified contamination degree (mCd) and Hazard Quotient (HQ). However, the level of contamination highlighted Cd has the maximum risk factors from the selected study area. All stations are contaminated by anthropogenic inputs. The pollution load index (PLI) revealed Pazhayangady, Valapattanam, Dharmadom (stations 1,2 and 3), Kumbalam (station5) and Munroe Thuruth (station 7) showed the presence of polluted sediments (PLI> 1). [ABSTRACT FROM AUTHOR]
Copyright of Soil & Sediment Contamination is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Metal Geochemistry and Contamination Assessment of Tropical Mangrove Sediments.
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  Data: <searchLink fieldCode="AR" term="%22Mathew%2C+Jennees%22">Mathew, Jennees</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gopinath%2C+Anu%22">Gopinath, Anu</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> dranugopinath@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Soil+%26+Sediment+Contamination%22">Soil & Sediment Contamination</searchLink>. 2025, Vol. 34 Issue 5, p867-887. 21p.
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  Data: <searchLink fieldCode="DE" term="%22Contaminated+sediments%22">Contaminated sediments</searchLink><br /><searchLink fieldCode="DE" term="%22Geochemistry%22">Geochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Sediment+sampling%22">Sediment sampling</searchLink><br /><searchLink fieldCode="DE" term="%22Pollution%22">Pollution</searchLink><br /><searchLink fieldCode="DE" term="%22Mangrove+plants%22">Mangrove plants</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The objective of this study was to evaluate the metal geochemistry and contamination assessment of the metals such as Fe, Co, Cd, Pb, Ni, Zn, Mg, Ca, and Sr from the surface sediment samples collected from seven stations from a tropical mangrove area in the Southwest coast of India. Metals like Ni and Fe were found in higher concentrations but never exceeded the contamination level in all the seasons whereas Cd was highly contaminated in all the seasons as well as stations. Pollution levels were measured using the indices including contamination Factor (CF), potential ecological risk coefficient (Eir), Enrichment Factor (EF), geoaccumulation index (Igeo), Pollution load index (PLI), Contamination degree (Cdegree), modified contamination degree (mCd) and Hazard Quotient (HQ). However, the level of contamination highlighted Cd has the maximum risk factors from the selected study area. All stations are contaminated by anthropogenic inputs. The pollution load index (PLI) revealed Pazhayangady, Valapattanam, Dharmadom (stations 1,2 and 3), Kumbalam (station5) and Munroe Thuruth (station 7) showed the presence of polluted sediments (PLI> 1). [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Soil & Sediment Contamination is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1080/15320383.2024.2387296
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 21
        StartPage: 867
    Subjects:
      – SubjectFull: Contaminated sediments
        Type: general
      – SubjectFull: Geochemistry
        Type: general
      – SubjectFull: Sediment sampling
        Type: general
      – SubjectFull: Pollution
        Type: general
      – SubjectFull: Mangrove plants
        Type: general
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      – TitleFull: Metal Geochemistry and Contamination Assessment of Tropical Mangrove Sediments.
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            NameFull: Mathew, Jennees
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            NameFull: Gopinath, Anu
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            – D: 01
              M: 07
              Text: 2025
              Type: published
              Y: 2025
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              Value: 15320383
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              Value: 34
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              Value: 5
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            – TitleFull: Soil & Sediment Contamination
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