Search Results - "Silva, Ygor Jacques Agra Bezerra"
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Comparison of USEPA digestion methods to heavy metals in soil samples
Published in Environmental monitoring and assessment (2014)“…The use of appropriate analytical methods is of paramount importance for risk assessment and monitoring of potentially toxic metals in soils. In this sense,…”
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Background concentrations and reference values for heavy metals in soils of Cuba
Published in Environmental monitoring and assessment (01-01-2015)“…The potential threat of heavy metals to human health has led to many studies on permissible levels of these elements in soils. The objective of this study was…”
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Watershed-scale assessment of background concentrations and guidance values for heavy metals in soils from a semiarid and coastal zone of Brazil
Published in Environmental monitoring and assessment (01-09-2015)“…Determining heavy metal background concentrations in soils is fundamental in order to support the monitoring of potentially contaminated areas. This is…”
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4
Rare earth element geochemistry during weathering of S‐type granites from dry to humid climates of Brazil
Published in Journal of plant nutrition and soil science (01-12-2018)“…S‐type granites are igneous rock types that are widespread in all continental crust. These granites play a key role in global weathering patterns and can be…”
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Thorium content in soil, water and sediment samples and fluvial sediment-associated transport in a catchment system with a semiarid-coastal interface, Brazil
Published in Environmental science and pollution research international (01-11-2019)“…Thorium (Th) is one of the main sources of natural radiation to ecosystems. However, data regarding Th concentrations in rocks, soil, water and sediments are…”
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Geochemistry and Spatial Variability of Rare Earth Elements in Soils under Different Geological and Climate Patterns of the Brazilian Northeast
Published in Revista Brasileira de Ciência do Solo (01-01-2018)“…ABSTRACT Growth in the agricultural and industrial sectors has increased the demand for rare earth elements (REEs) in the production of technological devices…”
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Heavy metal concentrations and ecological risk assessment of the suspended sediments of a multi-contaminated Brazilian watershed
Published in Acta scientiarum. Agronomy (01-01-2019)“…Metal concentrations in suspended sediments of one of the most polluted rivers in Brazil were measured. Concentrations of Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn…”
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Quality reference values for rare earth elements in soils from one of the last agricultural frontiers in Brazil
Published in Scientia agricola (01-01-2021)“…Environmental impacts caused by the addition of rare earth elements (REEs) to agricultural soils are a growing concern. The sedimentary basin of the Gurguéia…”
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Rare Earth Element Concentrations in Brazilian Benchmark Soils
Published in Revista Brasileira de Ciência do Solo (2016)“…Studies regarding background concentrations of rare earth elements (REEs) are scarce and have mainly focused on a limited number of soil types from the…”
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10
Rare-earth-element geochemistry in soils developed in different geological settings of Cuba
Published in Catena (Giessen) (01-03-2018)“…The increased exploitation of rare-earth elements (REEs) over the past few decades and the disposal of various products containing these elements have prompted…”
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Geochemical signatures and weathering rates in soils derived from different granites in contrasting climatic locations
Published in Acta scientiarum. Agronomy (01-01-2019)“…We studied the mineralogical properties and chemical composition of different granites using energy dispersive X-ray spectroscopy coupled with scanning…”
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Sediment source apportionment using geochemical composite signatures in a large and polluted river system with a semiarid-coastal interface, Brazil
Published in Catena (Giessen) (01-01-2023)“…[Display omitted] •Three sediment source classification schemes are applied in the same catchment.•The modelling with the three sources had acceptable…”
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Assessing the Distribution and Concentration of Heavy Metals in Soils of an Agricultural Frontier in the Brazilian Cerrado
Published in Water, air, and soil pollution (01-08-2020)“…The continuous use of agricultural inputs for grain, fiber, and energy production in the Brazilian savannah can increase heavy metal (HM) concentrations in the…”
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Background concentrations and quality reference values for potentially toxic elements in soils of Piauí state, Brazil
Published in Environmental monitoring and assessment (01-11-2020)“…The background concentration of potentially toxic elements (PTE) in soils is influenced by the parent material composition and soil forming processes. The soil…”
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Near-infrared spectroscopy for the prediction of rare earth elements in soils from the largest uranium-phosphate deposit in Brazil using PLS, iPLS, and iSPA-PLS models
Published in Environmental monitoring and assessment (01-11-2020)“…The largest uranium-phosphate deposit in Brazil also contains considerable levels of rare earth elements (REEs), which allows for the co-mining of these three…”
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Potentially toxic elements and rare earth elements in sandy soils from the Brazilian Cerrado
Published in Environmental monitoring and assessment (01-12-2021)“…This study aims to determine the concentration of potentially toxic elements (PTEs) and rare earth elements (REEs) in Brazilian sandy soils under the Cerrado…”
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Sugarcane cultivation as a major surface source of sediment in catchments from a coastal zone of Pernambuco, Brazil
Published in Revista Brasileira de Ciência do Solo (01-01-2024)“…ABSTRACT Identifying sediment sources is fundamental for protecting and improving soil and water quality. Conventional fingerprinting studies have often…”
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Combining geospatial analyses to optimize quality reference values of rare earth elements in soils
Published in Environmental monitoring and assessment (24-06-2020)“…High pedological and geological variability can trigger the formation of REE hotspots, causing a need to optimize the establishment of quality reference values…”
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Distribution of rare earth elements in soils of contrasting geological and pedological settings to support human health assessment and environmental policies
Published in Environmental geochemistry and health (01-03-2022)“…Establishing quality reference values (QRVs) for rare earth elements (REEs) in soils is essential for the screening of these emergent contaminants. Currently,…”
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Effect of I- and S-type granite parent material mineralogy and geochemistry on soil fertility: A multivariate statistical and Gis-based approach
Published in Catena (Giessen) (01-02-2017)“…This study provides new insights into the effects of a parent material on inherent soil fertility. We describe the mineralogy and geochemistry of I- and S-type…”
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