Assessment of heavy metal contamination in Hindon River sediments: A chemometric and geochemical approach

• Published in: Chemosphere (Oxford) Vol. 87; no. 8; pp. 945 - 953
• Main Authors: Chabukdhara, Mayuri, Nema, Arvind K.
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.05.2012; Elsevier
• Subjects: Anthropic origin; Applied sciences; Chemometric analysis; Cluster Analysis; Discriminant Analysis; Earth sciences; Earth, ocean, space; Engineering and environment geology. Geothermics; Exact sciences and technology; Geochemical approach; Geologic Sediments - chemistry; Heavy metals; Informatics - methods; Metals, Heavy - analysis; Pollution; Pollution sources. Measurement results; Pollution, environment geology; Principal Component Analysis; Remedial measures; River sediments; Rivers - chemistry; Soil and sediments pollution; Geochemical approach; Anthropic origin; River sediments; Remedial measures; Heavy metals; Chemometric analysis; Natural origin pollution; Pollution control; Geochemistry; Sediments; Heavy metal; Trace element; Pollution; Decontamination; Pollution source; Geogenic factor; Stream; Pollution abatement; Chemometrics; Concentration distribution; Anthropogenic factor
• ISSN: 0045-6535; 1879-1298
• DOI: 10.1016/j.chemosphere.2012.01.055

► Chemometric analysis shows anthropic origin of Cu, Cd, Pb, Zn, and Ni. ► Mn and Cr are controlled by mixed origin and Fe shows lithogenic origin. ► Geochemical approach confirms anthropogenic influence of heavy metal pollution. ► Chemometric and geochemical approach can be used suitably for pollution assessment. The aim of this study was to assess the level of heavy metals (Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn) in the surface sediments of the Hindon River, India that receives both treated and untreated municipal and industrial discharges generated in and around Ghaziabad, India. Mean metals concentrations (mgkg−1) were in the range of; Cu: 21.70–280.33, Cd: 0.29–6.29, Fe: 4151.75–17318.75, Zn: 22.22.50–288.29, Ni: 13.90–57.66, Mn: 49.55–516.97, Cr: 17.48–33.70 and Pb: 27.56–313.57 respectively. Chemometric analysis was applied to identify contribution sources by heavy metals while geochemical approaches (enrichment factor and geo-accumulation index) were exploited for the assessment of the enrichment and contamination level of heavy metals in the river sediments. Chemometric analysis suggested anthropic origin of Cu, Cd, Pb, Zn, and Ni while Fe showed lithogenic origin. Mn and Cr was associated and controlled by mixed origin. Geochemical approach confirms the anthropogenic influence of heavy metal pollution in the river sediments. The study suggests that a complementary approach that integrates chemometric analysis, sediment quality criteria, and geochemical investigation should be considered in order to provide a more accurate appraisal of the heavy metal pollution in river sediments. Consequently, it may serve to undertake and design effective strategies and remedial measures to prevent further deterioration of the river ecosystem in future.