Metal concentration and its ecological risk assessment in the beach sediments of Coromandel Coast, Southern India

Gandhi, K. Sanjai; Pradhap, D.; Saravanan, P.; Krishnakumar, S.; Kasilingam, K.; Patel, Harshad; Prakash, P.; Muthukumaran, Shobha; Magesh, N.S.

doi:10.1016/j.marpolbul.2020.111565

Cited by 12 publications

(2 citation statements)

References 39 publications

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“…Thus, these PTEs might also reflect the accumulation of road dust and historical pollution levels in the past. Combining EF analysis, Pearson correlation analysis, and PCA, PC1 is derived from mining activities and road dust, indicating that the PTEs in rivers are controlled by the natural mineral composition of sediments and anthropogenic activities [61].…”

Section: Possible Sources Of Ptesmentioning

confidence: 99%

Distribution, Risk Assessment, and Source Identification of Potentially Toxic Elements in the Sediments of the Upper Reaches of Zhanghe River, Haihe Basin

Peng

Shang

et al. 2022

Sustainability

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The Beijing–Tianjin–Hebei region is mostly located in the Haihe Basin. Studying the distribution and sources of potentially toxic elements (PTEs) and heavy metals in the upper reaches of Zhanghe River, the largest tributary of Haihe runoff, is of great significance to the water security of Beijing–Tianjin–Hebei region, a world-class urban agglomeration. In this study, 32 sediment samples were collected in the upper reaches of Zhanghe River, and the concentrations of eight PTEs were analyzed. The results show that the concentrations of PTEs in sediments ranked are as follows: Mn > Cr > Zn > Cu > Pb > Co > As > Cd. Cr, Cu, Zn, and Cd show a random spatial variation trend; Mn, As, and Pb are mainly distributed in the headwaters of the Zhuozhang River. Ninety percent of samples of Cr, Cu, Zn, Cd, and Pb are under the threshold effect level, and 16% of the Cr samples are above the probable effect level. PTEs in the study area have low to moderate pollution as the enrichment factor and geo-accumulation index showed, and the contribution of anthropogenic sources to the enhancement of PTEs in sediment samples is still at a preliminary stage. Potential ecological risk results indicate that 96% of the upper reaches of Zhanghe River have a low risk level. The three evaluation methods all point out that Cr is the main pollutant in the upper reaches of Zhanghe River, and the Southern Headwater of Zhuozhang River is the main polluted area. Cr, Mn, Co, and Pb originate from mining activities and road dust, while Cu, Zn, As, and Cd originate from agricultural activities.

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Section: Possible Sources Of Ptesmentioning

confidence: 99%

Distribution, Risk Assessment, and Source Identification of Potentially Toxic Elements in the Sediments of the Upper Reaches of Zhanghe River, Haihe Basin

Peng

Shang

et al. 2022

Sustainability

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“…and remain in the sediments cannot be effectively assessed with the total element concentrations. However, it has little value in analysing the probable accessibility of harmful metals to the biota (Mendes, de Lena, do Valle, Fleming, & Windmöller, 2016;Sanjai Gandhi et al, 2020). It is due to the reason that a detrital part of all the elements reside in the following mediums such as in solid mineral particles, in residual and in non-residual fractions (Hussain & Ramachandran, 2011;Ning et al, 2017;Wei & Algeo, 2020).…”

mentioning

confidence: 99%

Elemental geochemistry of surface sediments from Manakudy estuary, south‐west coast of India: Inferences to sources of elements and their accumulation

et al. 2021

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Manakudy estuary is located in the southernmost tip of the Indian sub-continent, which is essential to study the sediment geochemistry as it receives limited input of sediments during the rainy season from its catchment zones. The elemental geochemical variation of sediments is to understand the mechanism influencing the estuarine environment, and it becomes baseline data to assess the environmental impact in the near future. Twenty surface sediments samples were collected at different seasons, and the grain size results showed that the estuary sediments were carpeted by the mixture of sand, silt, clay, organic matter (OM), and CaCO 3 . The seasonal variation of elements is slightly more in the pre-monsoon than in the post-monsoon season. Fe showed maximum variation, while Cd showed minimum variation in total heavy metal concentrations of detrital sediments. The order of abundance of metals based on their mean values is as Fe > Mn > Cr > Zn > Cu > Pb > Ni > Co > Cd in pre-monsoon and Fe > Mn > Zn > Cr > Ni > Co > Cu > Pb > Cd > in post-monsoon, respectively. Different elemental ratios and enrichment factors were used to assess the abundance of major and trace elements in both seasons. The ecological risk assessment clearly shows the higher concentration of a few metals in the estuarine sediments during post-monsoon. Correlation and factor analysis show that from geogenic along with the anthropogenic input of industrial effluents, agriculture, urban, municipal wastes and slum sewage are the major sources for derived metals in the estuarine sediments.

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Heavy metal distribution, fractionation, and biotoxicity in sediments around villages in Baiyangdian Lake in North China

Zhang

Zhang²,

Shan³

2022

Environ Monit Assess

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Metal concentration and its ecological risk assessment in the beach sediments of Coromandel Coast, Southern India

Cited by 12 publications

References 39 publications

Distribution, Risk Assessment, and Source Identification of Potentially Toxic Elements in the Sediments of the Upper Reaches of Zhanghe River, Haihe Basin

Distribution, Risk Assessment, and Source Identification of Potentially Toxic Elements in the Sediments of the Upper Reaches of Zhanghe River, Haihe Basin

Elemental geochemistry of surface sediments from Manakudy estuary, south‐west coast of India: Inferences to sources of elements and their accumulation

Heavy metal distribution, fractionation, and biotoxicity in sediments around villages in Baiyangdian Lake in North China

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