Mostrando 9 resultados de: 9
Filtros aplicados
Subtipo de publicación
Article(9)
Publisher
Hydrological Processes(3)
Antarctic Science(1)
Geochemistry, Geophysics, Geosystems(1)
Journal of Coastal Research(1)
Journal of Radioanalytical and Nuclear Chemistry(1)
Área temáticas
Geología, hidrología, meteorología(8)
Ciencias de la Tierra de América del Sur(2)
Ciencias de la tierra(2)
Paleontología(2)
Ciencias Naturales y Matemáticas(1)
Origen
scopus(9)
Caura River basin: Weathering rates, CO<inf>2</inf> consumption, and chemistry of major and trace elements in an Orinoco River tributary coming from the Precambrian Guayana Shield, Venezuela
ArticleAbstract: This study describes the geochemistry of dissolved elements in the Caura River and gives informationPalabras claves:Caura river, geochemistry, major elements, plant decay, Trace elements, WeatheringAutores:Abrahan Mora, Alfonso J.A., Balza L., Baquero J.C., Pisapia D.Fuentes:scopusGeochemistry of recent lacustrine sediments from Fildes Peninsula, King George Island, maritime Antarctica
ArticleAbstract: Comprehensive geochemical analyses (bulk parameters, major and trace elements, organic matter, minerPalabras claves:Chemical weathering, comprehensive geochemical characterization, lake sediments, South Shetlands IslandsAutores:Abrahan Mora, Alfonso J.A., Handt H., Hernández A.C., Sira E., Vasquez Y.Fuentes:scopusElemental and Mineralogical Composition of the Western Andean Snow (18°S–41°S)
ArticleAbstract: The snowpack is an important source of water for many Andean communities. Because of its importance,Palabras claves:Autores:Alfonso J.A., Carrasco J., Carrera J.M., Casassa G., Cordero R.R., Damiani A., Fernandoy F., Feron S., Garcia B., Jose A. Jorquera, Kang C.M., Lambert F., Llanillo P.J., MacDonell S., Neshyba S., Oyola P., Pizarro J., Rowe P.M., Sepulveda E.Fuentes:scopusDistribution and environmental impact of radionuclides in marine sediments along the Venezuelan coast
ArticleAbstract: The activity concentrations of 137Cs, 40K, 226Ra and 232Th in Bq/kg from 42 marine sediment samplesPalabras claves:Marine sediments, Natural radioactivity, radionuclides, Venezuelan coastAutores:Abrahan Mora, Alfonso J.A., Handt H., LaBrecque J.J., Palacios D., Pérez K., Vasquez Y.Fuentes:scopusDistribution of trace elements in offshore sediments of the Orinoco Delta
ArticleAbstract: Surficial sediments from 56 stations on the Orinoco Delta offshore zone were analyzed by x-ray fluorPalabras claves:geochemistry, Heavy Metals, Surface sediments, VENEZUELA, X-ray fluorescenceAutores:Alfonso J.A., Benzo Z., Flores S., Manuel MartínezFuentes:scopusDynamics of dissolved major (Na, K, Ca, Mg, and Si) and trace (Al, Fe, Mn, Zn, Cu, and Cr) elements along the lower Orinoco River
ArticleAbstract: This study addresses the changes in dissolved major and trace element concentrations along the OrinoPalabras claves:major elements, mixing zone, Organic matter, Orinoco River, Trace elementsAutores:Abrahan Mora, Alfonso J.A., Balza L., Baquero J.C., Laraque A., Mahlknecht J., Pisapia D.Fuentes:scopusMajor elements, minority and sediment trace in environmental samples and on river Orinoco, Venezuela
ArticleAbstract: The concentrations of major (Fe and Al), minor (Na, K, Ca, Mg, Mn and Zn) and trace (Cr, Cu, Pb andPalabras claves:geochemistry, Orinoco, Pollution, SedimentsAutores:Abrahan Mora, Alfonso J.A., Baquero J.C., Handt H., Vasquez Y.Fuentes:scopusTemporal variability of selected dissolved elements in the lower Orinoco River, Venezuela
ArticleAbstract: Monthly analyses of pH, conductance, alkalinity, total suspended solids, dissolved major cations (NaPalabras claves:Major cations, Orinoco, Trace elements, VENEZUELAAutores:Abrahan Mora, Alfonso J.A., Azócar J.A., Calzadilla M., LaBrecque J.J., Sánchez L., Silva S.Fuentes:scopusThe Apure River: Geochemistry of major and selected trace elements in an Orinoco River tributary coming from the Andes, Venezuela
ArticleAbstract: The analysis of physicochemical variables and selected dissolved elements was performed on the ApurePalabras claves:Apure River, Dissolved elements, Floodplain, geochemistry, vegetationAutores:Abrahan Mora, Alfonso J.A., Balza L., Baquero J.C., Pisapia D.Fuentes:scopus