Search Results - "Cabral Nascimento, Rennan"
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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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Applying geochemical and colour properties to quantify sediment sources in a Brazilian semiarid ephemeral river system
Published in Journal of hydrology (Amsterdam) (01-10-2022)“…[Display omitted] •The Brazilian semiarid is the most densely populated dry region in the world.•Sediment source apportionment was quantified in a semiarid…”
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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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Sediment source apportionment using optical property composite signatures in a rural catchment, Brazil
Published in Catena (Giessen) (01-07-2021)“…[Display omitted] •We tested low-cost analytical procedures to identify sediment sources.•At both scales, CB was the most important sediment source followed by…”
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Near-infrared spectroscopy for prediction of potentially toxic elements in soil and sediments from a semiarid and coastal humid tropical transitional river basin
Published in Microchemical journal (01-08-2022)“…[Display omitted] •Five different spectral preprocessing methods were tested, besides raw spectra.•The addition of bed sediment samples improved Fe and Sc…”
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Near‐infrared spectroscopy as an alternative tool for predicting soil erodibility in a watershed under desertification
Published in Land degradation & development (28-02-2024)“…Near‐infrared spectroscopy (NIR) has become an alternative to conventional techniques for assessing soil properties that are difficult to measure, especially…”
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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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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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Geochemical background and geopedological interactions of selenium in soils from Piauí state, Northeastern Brazil
Published in Revista Brasileira de Ciência do Solo (01-01-2024)“…ABSTRACT Although Selenium (Se) plays a role as a micronutrient for humans through vegetable consumption, it is also recognized as toxic when present in…”
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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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Watershed scale assessment of rare earth elements in soils derived from sedimentary rocks
Published in Environmental monitoring and assessment (01-08-2019)“…Despite the rare earth elements (REEs) being considered as emerging contaminants, their natural values and possible anthropogenic enrichments in soils have not…”
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