Assessment of heavy metal pollution in soil and bottom sediment of Upper Egypt: comparison study

El‐Anwar, Esmat A. Abou

doi:10.1186/s42269-019-0233-4

Cited by 25 publications

(24 citation statements)

References 32 publications

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“…The metals of Cr, Pb, and Zn indicated moderate enrichment with EF mean of 4.856, 4.773, and 3.874 respectively. Khalifa and Gad ( 2018 ) and Abou El-Anwar ( 2019 ) found similar results. The maximum EF value was 22.687 for Cd and consequently signifies very high enrichment.…”

Section: Resultssupporting

confidence: 52%

Pollution and health risk assessment of trace metal in vegetable field soils in the Eastern Nile Delta, Egypt

Ibrahim

Selim

2022

Environ Monit Assess

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The accumulation of trace metals in vegetable field soils is of increasing worry because of the potential health hazards and their detrimental effects on soil ecosystems. To investigate the state of trace metal pollution in vegetable field soils, 60 surface soil samples were collected from vegetable fields across the Eastern Nile Delta region, Egypt. The results concluded that the concentrations of Cu, Mn, and Ni were lesser than their corresponding background values, while the concentrations of Cd, Co, Pb, and Zn were exceeding their background values. The pollution indices showed that the studied soil experienced low to moderate contamination and the Cd and Cr contamination was serious. The hazard index values of nine trace metals signified that there was no adverse non-carcinogenic risk for adults and children. The carcinogenic risk of Cd, Co, Ni, and Pb for both age groups was within acceptable limits, while Cr had critical carcinogenic hazards for children. Overall, the quality of studied soils is relatively safe, although some samples impose serious pollution problems of Cd and Cr. Thus, properly monitored trace metals and soil management action should be applied to reduce further soil pollution in vegetable fields in the Eastern Nile Delta.

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Section: Resultssupporting

confidence: 52%

Pollution and health risk assessment of trace metal in vegetable field soils in the Eastern Nile Delta, Egypt

Ibrahim

Selim

2022

Environ Monit Assess

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“…The PLI represents the number of times the trace element concentrations in the soil surpass the background concentrations, and it provides a summative measure of the total level of trace element toxicity in a given sample. Both parameters were used to evaluate the contamination levels in the soil and bottom sediment of Upper Egypt [27].…”

Section: Introductionmentioning

confidence: 99%

“…Calculating the PLI requires a series of calculation steps that require significant time and effort to convert several numbers from the trace element data for the soil into a single value describing the soil contamination level [27]. Partial least-square regression (PLSR) and multiple linear regression (MLR) could be used to solve this problem since they are standard methods for specifying a linear relationship between independent variables and dependent variables [34,35].…”

Section: Introductionmentioning

confidence: 99%

Assessment of Soil Pollution Levels in North Nile Delta, by Integrating Contamination Indices, GIS, and Multivariate Modeling

et al. 2021

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The proper assessment of trace element concentrations in the north Nile Delta of Egypt is needed in order to reduce the high levels of toxic elements in contaminated soils. The objectives of this study were to assess the risks of contamination for four trace elements (nickel (Ni), cobalt (Co), chromium (Cr), and boron (B)) in three different layers of the soil using the geoaccumulation index (I-geo) and pollution load index (PLI) supported by GIS, as well as to evaluate the performance of partial least-square regression (PLSR) and multiple linear regression (MLR) in estimating the PLI based on data for the four trace elements in the three different soil layers. The results show a widespread contamination of I-geo Ni, Co, Cr, and B in the three different layers of the soil. The I-geo values varied from 0 to 4.74 for Ni, 0 to 6.56 for Co, 0 to 4.11 for Cr, and 0 to 4.57 for B. According to I-geo classification, the status of Ni, Cr, and B ranged from uncontaminated/moderately contaminated to strongly/extremely contaminated. Co ranged from uncontaminated/moderately contaminated to extremely contaminated. There were no significant differences in the values of I-geo for Ni, Co, Cr, and B in the three different layers of the soil. According to the PLI classification, the majority of the samples were very highly polluted. For example, 4.76% and 95.24% of the samples were unpolluted and very highly polluted, respectively, in the surface layer of the soil profiles. Additionally, 14.29% and 85.71% of the samples were unpolluted and very highly polluted, respectively, in the subsurface layer of the soil profiles. Both calibration (Cal.) and validation (Val.) models of the PLSR and MLR showed the highest performance in predicting the PLI based on data for the four studied trace elements, as an alternative method. The validation (Val.) models performed the best in predicting the PLI, with R2 = 0.89–0.93 in the surface layer, 0.91–0.96 in the subsurface layer, 0.89–0.94 in the lowest layers, and 0.92–0.94 across the three different layers. In conclusion, the integration of the I-geo, PLI, GIS technique, and multivariate models is a valuable and applicable approach for the assessment of the risk of contamination for trace elements, and the PLSR and MLR models could be used through applying chemometric techniques to evaluate the PLI in different layers of the soil.

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“…V, U, Mo, Ni, Re) and other economic elements; Cu, Pb, Zn, Au, Hg, Sb etc… [41,42,43]. So, contamination indices are used to assess the heavy metals enrichment [44,45,46,47].…”

Section: 24-pollutionmentioning

confidence: 99%

Geochemical and Mineralogical Evaluation of Black Shale and its Hydrocarbon Potentiality,Southwest Sinai, Egypt

et al. 2020

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The investigation of new energy sources become one of the world tasks in the last decades. Oil shale is one of the promising energy sources and widespread in many parts of Egypt. So, this work was conducted to investigate hydrocarbon potentiality, geochemistry and environmental impact of Magharet El Maiah Formation black shale, Southwest Sinai. This shale is of Carboniferous age and composed mainly of kaolinite, montmorillonite and illite in a decreasing order with quartz and pyrite as non-clay minerals. They are deposited under oxic non-marine condition. Chemical analysis revealed that paleo-redox elements for the studied area were deposited under oxic environment and subjected to highly intensive chemical weathering. The calculated pollution indices indicated the mostly studied black shale isn't polluted. However, the studied black shale is enriched with some economic trace elements than the UCC and PAAS, especially Pb. All the studied samples are of indigenous origin. The organic richness of the studied samples ranges from fair to excellent total organic carbon content. The kerogen type is IV; the organic matter reaches the overmature stage and can be generate dry gas.

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Assessment of heavy metal pollution in soil and bottom sediment of Upper Egypt: comparison study

Cited by 25 publications

References 32 publications

Pollution and health risk assessment of trace metal in vegetable field soils in the Eastern Nile Delta, Egypt

Pollution and health risk assessment of trace metal in vegetable field soils in the Eastern Nile Delta, Egypt

Assessment of Soil Pollution Levels in North Nile Delta, by Integrating Contamination Indices, GIS, and Multivariate Modeling

Geochemical and Mineralogical Evaluation of Black Shale and its Hydrocarbon Potentiality,Southwest Sinai, Egypt

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