Assessment of potentially toxic elements’ contamination in surface soils of Kulsi River Basin in North East India

Simultaneous ecological and health risk assessments of potentially toxic elements in soils and sediments can provide substantial information on their environmental influence at the river-basin scale. Herein, soil and sediment samples were collected from the Guishui River basin to evaluate the pollution situation and the ecological and health risk of potentially toxic elements. Various indexes were utilized for quantitatively assessing their health risks. Pollution assessment by geo-accumulation index showed that Cd had “uncontaminated to moderately polluted” status in the soils and sediments. Potential ecological risk index showed that the Guishui River basin was at low risk in general, but Cd was classified as “moderate or considerable ecological risk” both in the soils and sediments. Health risk assessment calculated human exposure from soils and indicated that both non-carcinogenic and carcinogenic risks of the selected potentially toxic elements were lower than the acceptable levels. Health risks posed by potentially toxic elements bio-accumulated in fish, stemming from sediment resuspension, were also assessed. Non-carcinogenic hazard index indicated no adverse health effects on humans via exposure to sediments; however, in general, Cr contributed largely to health risks among the selected potentially toxic elements. Therefore, special attention needs to be paid to the Guishui River basin in the future.

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Impacts of parent material on distributions of potentially toxic elements in soils from Pearl River Delta in South China

Scientific Reports ◽

10.1038/s41598-020-74490-2 ◽

2020 ◽

Vol 10 (1) ◽

Author(s):

Qingye Hou ◽

Zhongfang Yang ◽

Tao Yu ◽

Yuanhang You ◽

Lei Dou ◽

...

Keyword(s):

South China ◽

Pearl River Delta ◽

Toxic Elements ◽

Parent Material ◽

Potentially Toxic Elements ◽

River Delta ◽

Pearl River ◽

Quaternary Sediments ◽

Surface Soils ◽

Deep Soils

Abstract Assessing the impacts of parent material on distributions of potentially toxic elements (PTEs) in soils has significant consequences in the apportionment of their sources. In this study, geochemical distributions and sources of PTEs in the soils developed in quaternary sediments and granite plutons of Pearl River Delta (PRD), South China, were investigated. The results indicate that there are systematic differences between the concentrations of oxides and PTEs in the soils developed in these two parent materials. The parent material predominantly determines the element distributions in the soils. The PTEs of the deep soils developed in quaternary sediments originated mainly from mafic, felsic, and carbonate sources materials as well as polymetallic deposits. For the deep soils developed in granite plutons, the element associations are governed mainly by their geochemical affinities and behaviors and the mineral compositions of granite plutons. Anthropogenic activities impact the features of the PTEs in the surface soils of PRD. However, superimposed regional-scale pollution was found to not hide the effect of the parent material on the distribution of PTEs in the surface soils.

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Baseline Concentrations of Potentially Toxic Elements in Natural Surface Soils in Torrelles (Spain)

Environmental Forensics ◽

10.1080/15275920600996388 ◽

2006 ◽

Vol 7 (4) ◽

pp. 369-375 ◽

Cited By ~ 9

Author(s):

Pedro Tume ◽

Jaume Bech ◽

Lluis Longan ◽

Luis Tume ◽

Ferran Reverter ◽

...

Keyword(s):

Toxic Elements ◽

Potentially Toxic Elements ◽

Surface Soils ◽

Natural Surface ◽

Baseline Concentrations

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Potentially toxic elements in surface soils of the Lower Don floodplain and the Taganrog Bay coast: sources, spatial distribution and pollution assessment

Environmental Geochemistry and Health ◽

10.1007/s10653-021-01019-5 ◽

2021 ◽

Author(s):

Elizaveta Konstantinova ◽

Tatiana Minkina ◽

Dina Nevidomskaya ◽

Saglara Mandzhieva ◽

Tatiana Bauer ◽

...

Keyword(s):

Spatial Distribution ◽

Toxic Elements ◽

Pollution Assessment ◽

Potentially Toxic Elements ◽

Surface Soils ◽

Taganrog Bay

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Health Risk Assessment of Potentially Toxic Elements, Persistence of NDL-PCB, PAHs, and Microplastics in the Translocated Edible Freshwater Sinotaia quadrata (Gasteropoda, Viviparidae): A Case Study from the Arno River Basin (Central Italy)

Exposure and Health ◽

10.1007/s12403-021-00404-w ◽

2021 ◽

Author(s):

Paolo Pastorino ◽

Annamaria Nocita ◽

Valentina Ciccotelli ◽

Annalisa Zaccaroni ◽

Serena Anselmi ◽

...

Keyword(s):

Risk Assessment ◽

Health Risk ◽

River Basin ◽

Health Risk Assessment ◽

Toxic Elements ◽

Central Italy ◽

Potentially Toxic Elements

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Estimation of Runoff under changed climatic scenario of a Meso Scale River by Neural Network Based Gridded Model Approach

10.21203/rs.3.rs-223790/v1 ◽

2021 ◽

Author(s):

Debajit Das ◽

Tilottama Chakraborty ◽

Mrinmoy Majumder ◽

Tarun Kanti Bandyopadhyay

Keyword(s):

Climate Change ◽

River Basin ◽

General Circulation ◽

General Circulation Models ◽

Group Method ◽

North East India ◽

North East ◽

Hadley Centre ◽

Gomati River ◽

The Impact

Abstract As climate change is linked with changes in precipitation, evapotranspiration and changes in other climatological parameters, these changes will be affected runoff of a river basin. Gomati River basin is the largest river basin among all the river basin of Tripura. Due to the increase in settlement in the Gomati river basin and climate change may threaten natural flow patterns that endure its diversity. This study assesses the impact of climate change on total flow of a catchment in North East India (Gomati River catchment). For this assessment, the Group Method of Data Handling Modeling System (GMDH) model was used to simulate the rainfall-runoff relationship of the catchment, with respect to the observed data during the period of 2008–2009. The statistically downscaled outputs of HadGEM2-ES (Hadley Centre Global Environment Model version 2), general circulation models (GCMs) scenario was used to assess the impacts of climate change on the Gomati River Basin. Future projections were developed for the 2030s, 2040s and 2050s projections, respectively. The results from the present study can contribute to the development of adaptive strategies and future policies for the sustainable management of water resources in North East, Tripura.

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