Mostrando 10 resultados de: 13
Publisher
Conference on Electrical Insulation and Dielectric Phenomena CEIDP Annual Report(1)
Earth, Planets and Space(1)
Environmental Earth Sciences(1)
Environmental Technology and Innovation(1)
Frontiers in Earth Science(1)
Área temáticas
Ciencias de la Tierra de América del Norte(1)
Ciencias de la tierra(1)
Geografía y viajes en el mundo antiguo(1)
Geología, hidrología, meteorología(1)
Grupos de personas(1)
Comparing Direct Numerical Modeling Predictions With Field Evidence for Methane Vertical Microseepage in Two Geological Settings
ArticleAbstract: The footprints of petroleum microseepage can be associated with chemical and microbial processes inPalabras claves:advection-diffusion equation, electron paramagnetic resonance, extractable organic matter, hydrocarbon-induced diagenesis, methane microseepage, organic matter free radical, resistivity logAutores:Aldana M., Amon C.H., Costanzo-Álvarez V., Díaz M., Jacome M., Jácome M.I., Jorge S. Mendoza, Ramirez K.Fuentes:scopusDepth to sources and Bouguer density determination of the Merida Andes, Venezuela, by means of a fractal analysis of gravity data
OtherAbstract: The objective of this research, done in the scope of the GIAME (Integrated Geosciences of the MeridaPalabras claves:Autores:Aldana M., Carianna Herrera, Javier Sánchez-Rojas, Michael SchmitzFuentes:scopusIntegrating geoelectrical and water chemistry studies to explore environmental challenges with an Indigenous community in northern Canada
ArticleAbstract: The FN, an undisclosed Indigenous community in northern Canada, is affected by pollution sources allPalabras claves:chargeability, Environmental-epidemiology, Hydrogeochemical data, Indigenous studies, ResistivityAutores:Aldana M., Amon C.H., Burton Lovell, Costanzo-Álvarez V., Galatro D., Heinz Breda Toso Sfalsini, Jácome M.I., Jason Bazylak, Melanie JeffreyFuentes:scopusCombining a geoelectrical survey with integrated groundwater quality data to map the spatial distribution and temporal variations of a leachate plume in a closed landfill (Southern Ontario, Canada)
ArticleAbstract: Geoelectrical surveys are not used as often as borehole water quality (WQ) analyses in standard pracPalabras claves:Gaussian Mixture Model, Groundwater, Landfill, Leachate plume, Pseudo-3D resistivity cube, Stacked data mapping, Water quality dataAutores:Aldana M., Amon C.H., Carlos Izarra, Costanzo-Álvarez V., Galatro D., Jácome M.I., Rosario Trigo-FerreFuentes:scopusThe surface expression of hydrocarbon seeps characterized by satellite image spectral analysis and rock magnetic data (Falcon basin, western Venezuela)
ArticleAbstract: Satellite images have been widely used to characterize mineral alteration zones in surface rocks affPalabras claves:Hydrocarbon seeps, hydrocarbon-induced diagenesis, rock magnetism, Satellite remote sensing, spectral images, Spectral signature, Two-step cluster analysis, Weathered sequenceAutores:Aldana M., Amon C.H., Costanzo-Álvarez V., Roberto De la Rosa, Yepez S.Fuentes:scopusA methodology to characterize a sanitary landfill combining, through a numerical approach, a geoelectrical survey with methane point-source concentrations
ArticleAbstract: Among the different natural sources of drinking water, aquifers are the most exposed to the environmPalabras claves:aquifer, DC resistivity survey, fuzzy logic, Induced Polarization (IP), Landfill, Leachate, Methane, neural networksAutores:Aldana M., Amon C.H., Chris Drielsma, Costanzo-Álvarez V., Galatro D., Jácome M.I., Pamela PatraskovicFuentes:scopusTesting lake-level reconstructions based on rock magnetic proxies for the sediment record of Laguna Cháltel (Patagonia, Argentina)
ArticleAbstract: This study was carried out on sediment cores collected with a gravity corer from Laguna Cháltel, anPalabras claves:Lake level, lake sediments, late Holocene, Palaeoclimate, rock magnetism, Wind intensityAutores:Aldana M., Ana M. Sinito, Bernd Zolitschka, Christian Ohlendorf, Claudia S.G. Gogorza, Costanzo-Álvarez V., Mariá A. Irurzun, Pedro PalermoFuentes:scopusA combined rock-magnetic and EPR study about the effects of hydrocarbon-related diagenesis on the magnetic signature of oil shales (Vaca Muerta formation, southwestern Argentina)
ArticleAbstract: A combined study of rock-magnetism and electronic-paramagnetic resonance (EPR) was performed in corePalabras claves:EPR, extractable organic matter, Oil shales, Organic matter free radicals, rock magnetismAutores:Aldana M., Ana Cabrera, Ana María Walther, Costanzo-Álvarez V., Díaz M., Diego Kietzmann, María D. Vallejo, María Paula Iglesia-Llanos, Rapalini A., Tomás LuppoFuentes:scopusEPR stratigraphy applied to the study of two marine sedimentary sections in southwestern Venezuela
ArticleAbstract: This work explores the application of the electron paramagnetic resonance (EPR) technique, a high sePalabras claves:EPR, Magnetic susceptibility, paleoenvironments, stratigraphyAutores:A. M. Otamendi, A. Pilloud, Aldana M., Costanzo-Álvarez V., Díaz M.Fuentes:scopusAn integrated rock magnetic and EPR study in soil samples from a hydrocarbon prospective area
ArticleAbstract: Magnetic susceptibility (MS) and organic matter free radical concentration (OMFRC) determined by elePalabras claves:Autores:Aldana M., Costanzo-Álvarez V., Díaz M., F. González, I. RomeroFuentes:scopus