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Indexical and statistical approaches to investigate the integrated origins of elements in the sediment of Teesta River, Bangladesh: sediment quality and ecological risk assessment.

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Title: Indexical and statistical approaches to investigate the integrated origins of elements in the sediment of Teesta River, Bangladesh: sediment quality and ecological risk assessment.
Authors: Khan, Rahat1,2 (AUTHOR) khamphe.p@psu.ac.th, Hossain, Shabiha2,3 (AUTHOR), Anik, Amit Hasan2,3 (AUTHOR), Phoungthong, Khamphe1 (AUTHOR), Islam, Abu Reza Md. Towfiqul4 (AUTHOR), Saha, Narottam5 (AUTHOR), Idris, Abubakr M.6,7 (AUTHOR), Alam, Mahbub3 (AUTHOR)
Source: Environmental Science: Processes & Impacts. Apr2023, Vol. 25 Issue 4, p832-849. 18p.
Subject Terms: *Ecological risk assessment, *River sediments, *Alkali metals, *Sediments, *Arsenic, Nucleosynthesis, Nuclear activation analysis
Geographic Terms: Bangladesh
Abstract: This study investigates ecological consequences from the combined provenance (natural and manmade) of fifteen metal(oid)s (Na, Al, K, Ti, Cr, Mn, Co, Zn, As, Rb, Sb, Cs, Ba, Th, and U) from a major Indo-Bangla transboundary river (Teesta). Instrumental neutron activation analysis has been performed to calculate the elemental concentration for a total of thirty sediment samples which accumulated from the upper, middle and downstream section of the Teesta River. In comparison with the crustal origin Rb, Th, and U were 1.5–2.8 times elevated. Elements from upstream and midstream sediments showed greater spatial variability than those from downstream sediments in terms of Na, Rb, Sb, Th, and U. Statistical approaches suggested the dominance of geogenic sources (Na, K, Al, Ti, Co, and Ba) of elements over anthropogenic sources (Cr and Zn). Alkali feldspar and aluminosilicates release lithophilic minerals into the sediments under the redox condition (U/Th = 0.18). Site-specific ecotoxicological indices advocated that some specific locations are highly hazardous relative to Cr and Zn. From SQG-based guidelines, Cr showed higher potential toxicity in some upstream locations relative to Zn, Mn, and As. In order to attain the knowledge limitation of northern transboundary rivers from Bangladesh, this study of origin and relative environmental impact will be beneficial for policy makers. [ABSTRACT FROM AUTHOR]
Copyright of Environmental Science: Processes & Impacts is the property of Royal Society of Chemistry 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: Indexical and statistical approaches to investigate the integrated origins of elements in the sediment of Teesta River, Bangladesh: sediment quality and ecological risk assessment.
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  Data: <searchLink fieldCode="AR" term="%22Khan%2C+Rahat%22">Khan, Rahat</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> khamphe.p@psu.ac.th</i><br /><searchLink fieldCode="AR" term="%22Hossain%2C+Shabiha%22">Hossain, Shabiha</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Anik%2C+Amit+Hasan%22">Anik, Amit Hasan</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Phoungthong%2C+Khamphe%22">Phoungthong, Khamphe</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Islam%2C+Abu+Reza+Md%2E+Towfiqul%22">Islam, Abu Reza Md. Towfiqul</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Saha%2C+Narottam%22">Saha, Narottam</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Idris%2C+Abubakr+M%2E%22">Idris, Abubakr M.</searchLink><relatesTo>6,7</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Alam%2C+Mahbub%22">Alam, Mahbub</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Science%3A+Processes+%26+Impacts%22">Environmental Science: Processes & Impacts</searchLink>. Apr2023, Vol. 25 Issue 4, p832-849. 18p.
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  Data: *<searchLink fieldCode="DE" term="%22Ecological+risk+assessment%22">Ecological risk assessment</searchLink><br />*<searchLink fieldCode="DE" term="%22River+sediments%22">River sediments</searchLink><br />*<searchLink fieldCode="DE" term="%22Alkali+metals%22">Alkali metals</searchLink><br />*<searchLink fieldCode="DE" term="%22Sediments%22">Sediments</searchLink><br />*<searchLink fieldCode="DE" term="%22Arsenic%22">Arsenic</searchLink><br /><searchLink fieldCode="DE" term="%22Nucleosynthesis%22">Nucleosynthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Nuclear+activation+analysis%22">Nuclear activation analysis</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Bangladesh%22">Bangladesh</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: This study investigates ecological consequences from the combined provenance (natural and manmade) of fifteen metal(oid)s (Na, Al, K, Ti, Cr, Mn, Co, Zn, As, Rb, Sb, Cs, Ba, Th, and U) from a major Indo-Bangla transboundary river (Teesta). Instrumental neutron activation analysis has been performed to calculate the elemental concentration for a total of thirty sediment samples which accumulated from the upper, middle and downstream section of the Teesta River. In comparison with the crustal origin Rb, Th, and U were 1.5–2.8 times elevated. Elements from upstream and midstream sediments showed greater spatial variability than those from downstream sediments in terms of Na, Rb, Sb, Th, and U. Statistical approaches suggested the dominance of geogenic sources (Na, K, Al, Ti, Co, and Ba) of elements over anthropogenic sources (Cr and Zn). Alkali feldspar and aluminosilicates release lithophilic minerals into the sediments under the redox condition (U/Th = 0.18). Site-specific ecotoxicological indices advocated that some specific locations are highly hazardous relative to Cr and Zn. From SQG-based guidelines, Cr showed higher potential toxicity in some upstream locations relative to Zn, Mn, and As. In order to attain the knowledge limitation of northern transboundary rivers from Bangladesh, this study of origin and relative environmental impact will be beneficial for policy makers. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Environmental Science: Processes & Impacts is the property of Royal Society of Chemistry 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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      – Type: doi
        Value: 10.1039/d2em00475e
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 18
        StartPage: 832
    Subjects:
      – SubjectFull: Ecological risk assessment
        Type: general
      – SubjectFull: River sediments
        Type: general
      – SubjectFull: Alkali metals
        Type: general
      – SubjectFull: Sediments
        Type: general
      – SubjectFull: Arsenic
        Type: general
      – SubjectFull: Nucleosynthesis
        Type: general
      – SubjectFull: Nuclear activation analysis
        Type: general
      – SubjectFull: Bangladesh
        Type: general
    Titles:
      – TitleFull: Indexical and statistical approaches to investigate the integrated origins of elements in the sediment of Teesta River, Bangladesh: sediment quality and ecological risk assessment.
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            NameFull: Khan, Rahat
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            NameFull: Anik, Amit Hasan
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            NameFull: Phoungthong, Khamphe
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            NameFull: Islam, Abu Reza Md. Towfiqul
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            NameFull: Saha, Narottam
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            NameFull: Alam, Mahbub
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              M: 04
              Text: Apr2023
              Type: published
              Y: 2023
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            – TitleFull: Environmental Science: Processes & Impacts
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