Regresar
Mostrando 10 resultados de: 102
Filtros aplicados
Publisher
Journal of Volcanology and Geothermal Research(22)
Bulletin of Volcanology(11)
Journal of South American Earth Sciences(5)
Cuadernos de Economia (Colombia)(4)
CEUR Workshop Proceedings(3)
Área temáticas
Geología, hidrología, meteorología(47)
Ciencias de la tierra(17)
Petrología(14)
Geología económica(13)
Ciencias de la Tierra de América del Norte(11)
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:googlescopusComparability and methodological adjustments of labor statistics: The case of the unemployment rate for Ecuador
ArticleAbstract: The national statistical institutes face permanently the need to reform and update the statistical cPalabras claves:Labor market, Labor surveys, Splicing of labor indicators, UnemploymentAutores:José Gabriel Castillo García, Salas C.M.Fuentes:googlescopusComputer vision for detection of body expressions of children with cerebral palsy
Conference ObjectAbstract: This article is the result of an investigation to improve the communication with a case study that sPalabras claves:Artificial Intelligence, Cerebral palsy, Computer Vision, Machine learning, OPENCVAutores:Carlos Jaramillo, Cristhian Rosales, Jorge Carrión, Luis Jácome, Mario PalmaFuentes:scopusAn automatic method for the enrichment of DICOM metadata using biomedical ontologies
Conference ObjectAbstract: This work is a novel contribution for enriching medical images using semantic annotations with a strPalabras claves:Autores:A. La Cruz, La Cruz Puente Alexandra, Marco Andrés Tello Guerrero, María-Esther Vidal, Víctor Saquicela, Wilson Perez, Wilson Rodrigo Pérez RocanoFuentes:rraaescopusAntisana 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 catalogue of reusable context model elements based on the i* framework
Conference ObjectAbstract: The definition of the context of a system is one of the most relevant activities in the early phasesPalabras claves:Context model, Goal-oriented model, iStar framework, Model reuseAutores:Franch X., Juan Pablo Carvallo Vega, Karina Abad, Wilson PerezFuentes:scopusA 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:googlescopus