Mostrando 10 resultados de: 29
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Journal of Hazardous Materials(5)
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Clustering Disjoint HJ-Biplot: A new tool for identifying pollution patterns in geochemical studies
ArticleAbstract: This paper introduces a new mathematical algorithm termed Clustering Disjoint HJ-Biplot (CDBiplot),Palabras claves:Disjoint factorial axes, HJ-biplot, Sediment pollutionAutores:Carlos Sierra, Nieto-Librero A.B., Purificación Galindo-Villardón, Ruiz Barzola Omar, Vicente-Galindo P.Fuentes:googlescopusCombining raw and compositional data to determine the spatial patterns of Potentially Toxic Elements in soils
ArticleAbstract: When considering complex scenarios involving several attributes, such as in environmental characteriPalabras claves:Compositional data, Local G-clustering, Ordinary kriging, PTEs, Relative enrichment, soil pollutionAutores:Albuquerque T., Boente C., Carlos Sierra, Fernández-Braña A., Gallego J.R., Gerassis S.Fuentes:scopusComprehensive waste characterization and organic pollution co-occurrence in a Hg and As mining and metallurgy brownfield
ArticleAbstract: The abandonment of Hg-As mining and metallurgy sites, together with long-term weathering, can dramatPalabras claves:arsenic, Mercury, Metallurgy, PAHs, WasteAutores:Carlos Sierra, Esquinas N., Gallego J.R., J. M. Menéndez-Aguado, Rodríguez‐valdés E.Fuentes:scopusBioaugmentation treatment of a PAH-polluted soil in a slurry bioreactor
ArticleAbstract: A bioslurry reactor was designed and used to treat loamy clay soil polluted with polycyclic aromaticPalabras claves:Bioaugmentation, Bioslurry, PAH, PSEUDOMONAS, Rhodococcus, soil pollutionAutores:Baragaño D., Carlos Sierra, Forján R., Gallego J.R., Lores I., Peláez A.I.Fuentes:scopusAnalysis of soil washing effectiveness to remediate a brownfield polluted with pyrite ashes
ArticleAbstract: Soil in a brownfield contaminated by pyrite ashes showed remarkably high concentrations of several tPalabras claves:Hydrocycloning, Pyrite ashes, soil pollution, soil washingAutores:Afif E., Carlos Sierra, Gallego J.R., González-Coto F., J. M. Menéndez-AguadoFuentes:scopusAnalyzing coastal environments by means of functional data analysis
ArticleAbstract: Here we used Functional Data Analysis (FDA) to examine particle-size distributions (PSDs) in a beachPalabras claves:Functional Cluster Analysis, Functional components analysis, Particle-size distribution, Sand sediments, Vector-based clustersAutores:Carlos Sierra, Flor G., Flor-Blanco G., Gallego J.R., Ordóñez C.Fuentes:scopusDeveloping a new Bayesian Risk Index for risk evaluation of soil contamination
ArticleAbstract: Industrial and agricultural activities heavily constrain soil quality. Potentially Toxic Elements (PPalabras claves:Bayesian networks, Local G clustering, potentially toxic elements, Sequential Gaussian simulationAutores:Albuquerque T., Antunes I.M.H.R., Carlos Sierra, Gallego J.R., Gerassis S., Martín J.E., Taboada J.Fuentes:scopusFull-scale remediation of a jet fuel-contaminated soil: Assessment of biodegradation, volatilization, and bioavailability
ArticleAbstract: Here, we addressed biodegradation vs. volatilization processes, and also bioavailability limitationsPalabras claves:Bioavailability, biodegradation, bioremediation, JET FUEL, soil, VolatilizationAutores:Carlos Sierra, Gallego J.R., Menéndez-Vega D., Peláez A.I., Permanyer A., Sánchez J.Fuentes:scopusFunctional outlier detection in grain-size distribution curves of detrital sediments
ArticleAbstract: This article introduces functional outlier detection as a mathematical tool for the recognition of oPalabras claves:Coastal sediments, Functional bagplot, Functional high density region (HDR) boxplot, Grain-size curves, outlier detectionAutores:Carlos Sierra, Gallego J.R., Ordóñez C.Fuentes:scopusGeochemical composition of beach tar from the se coast of the paria peninsula, ne venezuela: Derivation from natural seepages
ArticleAbstract: Tar residues ("tarballs") occur frequently on the SE coast of the Paria Peninsula, NE Venezuela. ThiPalabras claves:Gulf of Paria, Los Bajos fault, Marine seepages, Naparima Hill Formation, organic geochemistry, Seepage oils, Tarballs, Trinidad, VENEZUELAAutores:Carlos Sierra, De Freitas K.A., Érica Lorenzo, Escobar M., Fernàndez R., Galarraga F., Gallego J.R., Gonzalo MárquezFuentes:scopus