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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:scopusCommercial and biophysical deficits in South America, 1990–2013
ArticleAbstract: This article analyses the Physical Trade Balances (PTB) of five South American economies since 1990.Palabras claves:Ecologically unequal trade, Environmental burdens, Terms of trade, Trade deficitAutores:Martínez-Alier J., Pablo Samaniego Ponce, Vallejo M.C.Fuentes:googlescopusAntisana 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:scopusConduit processes in crystal-rich dacitic magma and implications for eruptive cycles at Guagua Pichincha volcano, Ecuador
ArticleAbstract: Abstract: Stratovolcanoes are commonly characterised by cyclic eruptive activity marked by transitioPalabras claves:Degassing, Dome-forming eruption, Effusive-explosive transition, Eruptive cycles, GUAGUA PICHINCHA, Percolation model, Plinian eruption, Textural analysisAutores:Cáceres F., Cimarelli C., Colombier M., Dingwell D.B., Heap M.J., Julien Bernard, LePennec J.L., Pablo Samaniego Ponce, Vasseur J., Wright H.M.N.Fuentes:googlescopusConstraining 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:scopus