Mostrando 10 resultados de: 48
Filtros aplicados
Publisher
Journal of Volcanology and Geothermal Research(16)
Bulletin of Volcanology(8)
Journal of South American Earth Sciences(5)
Contributions to Mineralogy and Petrology(2)
Frontiers in Earth Science(2)
Área temáticas
Ciencias de la tierra(11)
Ciencias de la Tierra de América del Norte(9)
Paleontología(9)
Petrología(7)
Ciencias de la Tierra de América del Sur(6)
Changes in the vegetation and water cycle of the Ecuadorian páramo during the last 5000 years
ArticleAbstract: We analyzed changes in the long-term vegetation cover and in fire activity over the past 5000 yearsPalabras claves:adiabatic upslope, fire, SASM, soil moisture, Tephra, Tropical AndesAutores:Aquino-Alfonso O., Finsinger W., Ledru M.P., Pablo Samaniego Ponce, Silvana HidalgoFuentes:scopusCollisional interactions and the transition between lava dome sector collapse and pyroclastic density currents at Tutupaca volcano (Southern Peru)
ArticleAbstract: We describe sedimentological variations of the block-rich debris avalanche deposits and associated pPalabras claves:Block clusters, Local kinematics, Sedimentology, Striations, Volcanic debris-avalanche depositAutores:Bernard K., Mariño J., Pablo Samaniego Ponce, Valderrama P., Van Wyk de Vries B.Fuentes:scopusAntisana volcano: A representative andesitic volcano of the eastern cordillera of Ecuador: Petrography, chemistry, tephra and glacial stratigraphy
ArticleAbstract: Antisana volcano is representative of many active andesitic strato-volcanoes of Pleistocene age in EPalabras claves:ANTISANA, Long-lived evolving andesitic volcanism, Northern Volcanic ZoneAutores:Bernardo O. Beate, Claude Robin, Hall M.L., Militzer A., Pablo Samaniego Ponce, Patricia A. Mothes, Patricio A. RamónFuentes:googlescopusA devastating Plinian eruption at Tungurahua volcano reveals formative occupation at ~1100 cal BC in central Ecuador
ArticleAbstract: Based on archaeological and radiometric constraints, previous studies have divided pre-Columbian timPalabras claves:Andes, ECUADOR, Formative culture, Plinian eruption, tephrochronology, TungurahuaAutores:D. Jaya, de Saulieu G., Gailler L., LePennec J.L., Pablo Samaniego PonceFuentes:scopusConstraining magma sources using primitive olivine-hosted melt inclusions from Puñalica and Sangay volcanoes (Ecuador)
ArticleAbstract: Constraining arc magma sources at continental arc settings is a delicate task, because chemical signPalabras claves:ECUADOR, melt inclusions, Olivine, Primary magmas, subduction zone, Volatile elementsAutores:Diego F. Narváez, Koga K.T., Pablo Samaniego Ponce, Rose-Koga E.F., Silvana HidalgoFuentes:googlescopusContrasting origin of two clay-rich debris flows at Cayambe Volcanic Complex, Ecuador
ArticleAbstract: We investigate the sedimentological and mineralogical properties of a debris flow deposit west of CaPalabras claves:Cayambe Volcanic Complex, Clay minerals, Debris flow deposit, Hydrothermal alteration, Volcanic debris avalancheAutores:Alicia Guevara, Delmelle P., Detienne M., Opfergelt S., Pablo Samaniego Ponce, Patricia A. MothesFuentes:scopusCrustal thickness and magma storage beneath the Ecuadorian arc
ArticleAbstract: The Northern Andes of Ecuador contain some of the most active volcanic systems in the Andes and extePalabras claves:Crustal Imaging, crustal structure, Joint inversion, SOUTH AMERICA, Volcanic structureAutores:Beck S.L., Delph J., Koch C.D., Lynner C., Mario C. Ruiz, Meltzer A., Pablo Samaniego Ponce, Patricia A. Mothes, Silvana Hidalgo, Stephen HernándezFuentes:scopusDegassing patterns of Tungurahua volcano (Ecuador) during the 1999-2006 eruptive period, inferred from remote spectroscopic measurements of SO<inf>2</inf> emissions
ArticleAbstract: This paper presents the results of 7 years (Aug. 1999-Oct. 2006) of SO2 gas measurements during thePalabras claves:COSPEC, DOAS, sulfur dioxide, Tungurahua Volcano, volcanic degassingAutores:Andrés Gorki Ruiz, Arellano S.R., Hall M.L., Hugo Yepes, Indira Molina, LePennec J.L., Pablo Samaniego PonceFuentes:scopusActive Tectonics and Earthquake Geology Along the Pallatanga Fault, Central Andes of Ecuador
ArticleAbstract: Based on new geological data and the analysis of a 4 m spatial resolution Digital Elevation Model (DPalabras claves:active tectonics, Andes, Earthquake, ECUADOR, Pallatanga faultAutores:Alexandra P. Alvarado, Audin L., Bablon M., Baize S., Champenois J., Espín P.A., Jomard H., LePennec J.L., Pablo Samaniego Ponce, Quidelleur X.Fuentes:googlescopusForecasting and communicating the dispersion and fallout of ash during volcanic eruptions: lessons from the September 20, 2020 eruptive pulse at Sangay volcano, Ecuador
ArticleAbstract: Volcanic ash is a hazard to human health and activities. Accurate and timely forecasts coupled withPalabras claves:Ash3d, COMMUNICATION, eruption source parameters, forecasting, grain-size distribution, Sangay, violent StrombolianAutores:Gerardo Pino, Julien Bernard, Kibler J., Marjorie Encalada, Mastin L.G., Pablo Samaniego Ponce, Silvana Hidalgo, Stephen Hernández, Vizuete N.Fuentes:scopus