Article ; Online: Pathways of heavy metals contamination and associated human health risk in Ajay River basin, India.
2017 Volume 174, Page(s) 183–199
Abstract: The sources of heavy metals and their loads in the Ajay River were investigated based ...
| Abstract | The sources of heavy metals and their loads in the Ajay River were investigated based on the seasonal and spatial variations. To identify variation and pathways of heavy metals, seventy-six water samples were estimated for 2 years at nineteen sampling sites. The multifaceted data were applied to evaluate statistical relation between variables and arithmetic calculation of the indices. Fickling plot suggested that the acidic pollutants do not affect the water quality because all samples lie within the neutral pH range. Further, OC showed significant relation with Fe, Mn, Ni and Co. Compositional analysis identified weathering of rocks, mobility of soil and sediment, atmospheric deposition and numerous anthropogenic inputs as major sources of heavy metals. The mean values of heavy metal pollution index (HPI) and pollution index (PI) were found above the critical index and strong loadings respectively due to higher values of Cd, Pb and Fe. Similarly, assessment of human risk revealed that the high load of Cd, Pb and Fe in water body could harm the population. Majority of the samples showed high concentration of heavy metals as compared to regulatory standard and background values, which suggests that the water is highly contaminated through numerous geogenic and anthropogenic sources. |
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| MeSH term(s) | Adult ; Child ; Environmental Monitoring/methods ; Geologic Sediments/chemistry ; Humans ; India ; Metals, Heavy/analysis ; Risk Assessment ; Rivers/chemistry ; Skin/drug effects ; Soil Pollutants/analysis ; Water Pollutants, Chemical/analysis ; Water Quality |
| Chemical Substances | Metals, Heavy ; Soil Pollutants ; Water Pollutants, Chemical |
| Language | English |
| Publishing date | 2017-05 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 120089-6 |
| ISSN | 1879-1298 ; 0045-6535 ; 0366-7111 |
| ISSN (online) | 1879-1298 |
| ISSN | 0045-6535 ; 0366-7111 |
| DOI | 10.1016/j.chemosphere.2017.01.103 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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