About the Avenue of the Volcanos
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Plant Diversity and Composition Changes Along an Altitudinal Gradient in the Isolated Volcano Sumaco in the Ecuadorian Amazon
diversity Article Plant Diversity and Composition Changes along an Altitudinal Gradient in the Isolated Volcano Sumaco in the Ecuadorian Amazon Pablo Lozano 1,*, Omar Cabrera 2 , Gwendolyn Peyre 3 , Antoine Cleef 4 and Theofilos Toulkeridis 5 1 1 Herbario ECUAMZ, Universidad Estatal Amazónica, Km 2 2 vía Puyo Tena, Paso Lateral, 160-150 Puyo, Ecuador 2 Dpto. de Ciencias Biológicas, Universidad Técnica Particular de Loja, San Cayetano Alto s/n, 110-104 Loja, Ecuador; [email protected] 3 Dpto. de Ingeniería Civil y Ambiental, Universidad de los Andes, Cra. 1E No. 19a-40, 111711 Bogotá, Colombia; [email protected] 4 IBED, Paleoecology & Landscape ecology, University of Amsterdam, Science Park 904, 1098 HX Amsterdam, The Netherlands; [email protected] 5 Universidad de las Fuerzas Armadas ESPE, Av. General Rumiñahui s/n, P.O.Box, 171-5-231B Sangolquí, Ecuador; [email protected] * Correspondence: [email protected]; Tel.: +593-961-162-250 Received: 29 April 2020; Accepted: 29 May 2020; Published: 8 June 2020 Abstract: The paramo is a unique and severely threatened ecosystem scattered in the high northern Andes of South America. However, several further, extra-Andean paramos exist, of which a particular case is situated on the active volcano Sumaco, in the northwestern Amazon Basin of Ecuador. We have set an elevational gradient of 600 m (3200–3800 m a.s.l.) and sampled a total of 21 vegetation plots, using the phytosociological method. All vascular plants encountered were typified by their taxonomy, life form and phytogeographic origin. In order to determine if plots may be ensembled into vegetation units and understand what the main environmental factors shaping this pattern are, a non-metric multidimensional scaling (NMDS) analysis was performed. -
Tungurahua Volcano, Ecuador: Structure, Eruptive History and Hazards
Journal of Volcanology and Geothermal Research 91Ž. 1999 1±21 www.elsevier.comrlocaterjvolgeores Tungurahua Volcano, Ecuador: structure, eruptive history and hazards Minard L. Hall a,1, Claude Robin b,), Bernardo Beate c, Patricia Mothes a,1, Michel Monzier a,d,2 a Instituto Geofõsico,ÂÂ Escuela Politecnica Nacional, P.O. Box 1701-2759, Quito, Ecuador b Institut de Recherches Pour le DeÂÕeloppement() IRD, ex-ORSTOM , UR 6, OPGC, 5 Rue Kessler, 63038, Clermont-Ferrand, France c Departamento de Geologõa,ÂÂÂ Facultad de Geologõa, Minas y Petroleos, Escuela Politecnica Nacional, P.O. Box 1701-2759, Quito, Ecuador d Institut de Recherches pour le DeÂÕeloppement() IRD, ex-ORSTOM , UR 6, A.P. 17-11-6596, Quito, Ecuador Accepted 25 March 1999 Abstract Tungurahua, one of Ecuador's most active volcanoes, is made up of three volcanic edifices. Tungurahua I was a 14-km-wide andesitic stratocone which experienced at least one sector collapse followed by the extrusion of a dacite lava series. Tungurahua II, mainly composed of acid andesite lava flows younger than 14,000 years BP, was partly destroyed by the last collapse event, 2955"90 years ago, which left a large amphitheater and produced a ;8-km3 debris deposit. The avalanche collided with the high ridge immediately to the west of the cone and was diverted to the northwest and southwest for ;15 km. A large lahar formed during this event, which was followed in turn by dacite extrusion. Southwestward, the damming of the Chambo valley by the avalanche deposit resulted in a ;10-km-long lake, which was subsequently breached, generating another catastrophic debris flow. -
Cenozoic Volcanism of Northern South America Joshua Stroup Current Volcanism
Cenozoic Volcanism of Northern South America Joshua Stroup Current Volcanism Focus Area Is the Northern Andean Volcanic Arc Terrains of the Northern Andes There are a large number of accreted terrains Terrains of oceanic affinity Terrains of continental affinity North Andean Block (NAB) Subduction in the Northern Andes Geologic Setting In Ecuador the Cordillera occidental Andean magmatic Allochthonous terrain of mafic arc is divided into composition two parallel chains 30 km thick Cordillera occidental Cordillera real (west) Metamorphosed granites and Cordillera real (east) medasedimentary rocks of A back arc also continental affinity exists further east in 60 km thick the Amazon basin Back arc Sedimentary rocks 35 – 40 km thick Ecuador Volcanism in Ecuador has developed as a broad magmatic arc This is the result of flat slab subduction of the Nazca plate Volcanoes Across the Subduction Zone Pichincha volcano Cordillera real Antisana volcano Cordillera occidental Sumaco volcano Back arc Pichincha Stratovolcano Composed of at least two successive volcanoes Highly active Historic eruptions have produced lava domes, pyroclastic flows and ash falls Pichincha con't. Guagua pichincha is built on the collapsed flank of the old rucu pichincha Magmas erupted here are adakites containing amphibole, plagioclase, pyroxene and Fe-Ti oxides Magma generated here results from the melting of oceanic crust Antisana Massive stratovolcano Also composed of at least two successive volcanoes Built up over granitic and medasedimentary rocks Only one historic eruption, a lava flow Antisana Con’t. Magmas erupted here are calc-alkaline. This is due to the interaction with mature continental crust. Minerals include clinopyroxene, orthopyroxene and plagioclase and Fe-Ti oxides. -
Relationship Between Static Stress Change and Volcanism. How and If Tectonic Earthquake Could Influence Volcanic Activity
Michigan Technological University Digital Commons @ Michigan Tech Dissertations, Master's Theses and Master's Dissertations, Master's Theses and Master's Reports - Open Reports 2014 RELATIONSHIP BETWEEN STATIC STRESS CHANGE AND VOLCANISM. HOW AND IF TECTONIC EARTHQUAKE COULD INFLUENCE VOLCANIC ACTIVITY. EXAMPLE OF EL REVENTADOR VOLCANO, ECUADOR Daniele Alami Michigan Technological University Follow this and additional works at: https://digitalcommons.mtu.edu/etds Part of the Geology Commons, and the Volcanology Commons Copyright 2014 Daniele Alami Recommended Citation Alami, Daniele, "RELATIONSHIP BETWEEN STATIC STRESS CHANGE AND VOLCANISM. HOW AND IF TECTONIC EARTHQUAKE COULD INFLUENCE VOLCANIC ACTIVITY. EXAMPLE OF EL REVENTADOR VOLCANO, ECUADOR", Master's report, Michigan Technological University, 2014. https://doi.org/10.37099/mtu.dc.etds/770 Follow this and additional works at: https://digitalcommons.mtu.edu/etds Part of the Geology Commons, and the Volcanology Commons RELATIONSHIP BETWEEN STATIC STRESS CHANGE AND VOLCANISM. HOW AND IF TECTONIC EARTHQUAKE COULD INFLUENCE VOLCANIC ACTIVITY. EXAMPLE OF EL REVENTADOR VOLCANO, ECUADOR. By Daniele Alami A REPORT Submitted in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE In Geology MICHIGAN TECHNOLOGICAL UNIVERSITY 2013 © 2013 Daniele Alami This report has been approved in partial fulfillment of the requirements for the Degree of MASTER OF SCIENCE in Geology Department of Geological & Mining Engineering & Sciences Report Co-Advisor: Gregory P.Waite Report Co-Advisor: Alessandro Tibaldi Committee Member: Simon Carn Department Chair: John Gierke 1 2 L'infinito non esiste, è solo un numero grande, e l'unico vero cuore è al centro della Terra. Vai davanti a un vulcano e poi dimmi, come ti senti? (Filippo Timi) 3 Università degli studi di Milano-Bicocca Facoltà di Scienze Matematiche, Fisiche e Naturali Dipartimento di Scienze e Tecnologie Geologiche Relationship between static stress changes and volcanism. -
476 the AMERICAN ALPINE JOURNAL Glaciers That Our Access Was Finally Made Through the Mountain Rampart
476 THE AMERICAN ALPINE JOURNAL glaciers that our access was finally made through the mountain rampart. One group operated there and climbed some of the high-grade towers by stylish and demanding routes, while the other group climbed from a hid- den loch, ringed by attractive peaks, north of the valley and intermingled with the mountains visited by the 1971 St. Andrews expedition (A.A.J., 1972. 18: 1, p. 156). At the halfway stage we regrouped for new objec- tives in the side valleys close to Base Camp, while for the final efforts we placed another party by canoe amongst the most easterly of the smooth and sheer pinnacles of the “Land of the Towers,” while another canoe party voyaged east to climb on the islands of Pamiagdluk and Quvernit. Weather conditions were excellent throughout the summer: most climbs were done on windless and sunny days and bivouacs were seldom contem- plated by the parties abseiling down in the night gloom. Two mountains may illustrate the nature of the routes: Angiartarfik (1845 meters or 6053 feet; Grade III), a complex massive peak above Base Camp, was ascended by front-pointing in crampons up 2300 feet of frozen high-angled snow and then descended on the same slope in soft thawing slush: this, the easiest route on the peak, became impracticable by mid-July when the snow melted off to expose a crevassed slope of green ice; Twin Pillars of Pamiagdluk (1373 meters or 4505 feet; Grade V), a welded pair of abrupt pinnacles comprising the highest peak on this island, was climbed in a three-day sortie by traversing on to its steep slabby east wall and following a thin 300-metre line to the summit crest. -
Determinación Del Volumen Del Casquete De Hielo Del Volcán Cotopaxi
DETERMINACIÓN DEL VOLUMEN DEL CASQUETE DE HIELO DEL VOLCÁN COTOPAXI M. Hall – P. Mothes INAMHI Instituto Nacional de Meteorología e Hidrología IRD Institut de Recherche pour le Développement IG-EPN Instituto de Geofísica de la Escuela Politécnica Nacional INGEOMINAS Instituto Colombiano de Geología y Minería Por Bolívar Cáceres, Jair Ramírez, Bernard Francou, Jean-Philippe Eissen, Jean-Denis Taupin, Ekkehard Jordan, Lars Ungerechts, Luis Maisincho, Diego Barba, Eric Cadier, Rodolphe Bucher, Arturo Peñafiel, Pablo Samaniego, Patricia Mothes 2 “Un nevado de los alrededores, que se llama Cotopaxi, se había despertado después de 200 años, después de tantos años de silencio, para recomenzar a echar fuego y llamas y una gran cantidad de polvo sulfuroso que se iba disipando hasta perderse en las inmediaciones: la hierba y las praderas se ahogaron. La mayor parte del ganado, que no encontró nada que pastar en los campos, murió de hambre y necesidad, y este polvo se extendió más de 60 leguas a la redonda. El año pasado, desde el mes de noviembre hasta ahora, hubo los daños más terribles; el fuego interno, que fundió la nieve de la cual estaba cubierta la cima de la montaña, formó un torrente tan terrible que se llevó consigo casas, terrenos, hombres, mujeres, manufacturas de textiles de las comarcas, echó abajo la mayoría de los puentes que desde las calles del poblado cruzan las diferentes corrientes de agua que descienden de esta montaña y nos causaron además, por infección del aire, una enfermedad también llamada Cotopaxi, que no era otra cosa que la parodititis conglomerada”. Joseph de Jussieu, 16 de marzo, 1745, Lettre à son frère. -
ECUADOR's FORGOTTEN VOLCANO the Eruption
Desastes en la Región ECUADOR’S FORGOTTEN VOLCANO The Eruption of Reventador Ecuador, one of the countries with the largest number of active volcanoes in the world, awoke on Sunday 3 November to a volcanic emergency. Since not enough funds are available to monitor all volcanoes, the Geophysical Institute of the National Polytechnic School— the body in charge of such surveillance— had not been paying too much attention to Reventador volcano, located 95 Km East of Quito, in the province of Napo, which had lain dormant for 26 years. Such was not the case that morning, though, as violent explosions flung gases, pyroclastic flows and large amounts of ash that reached an altitude of 16 Km. Residents of nearby communities in Napo and Sucumbíos provinces, frightened by the magnitude of the eruption, fled the area. “On Sunday we left in a hurry as soon as we saw that the mountain was starting to spit fire,” said a cattleman from the Chaco, the area nearest the volcano. The lava flows followed the course of Maker River, on the volcano’s slopes, and caused several landslides that cut off the main highway between Quito and Lago Agrio, the capital of Sucumbíos. Easterly winds blowing in the direction of Quito covered everything in their path—fields, rivers, houses, cattle, reservoirs—with dense ash. The population of Oyacachi, one of the most severely affected towns, reported that by 11 in the morning darkness was almost total. The ash reached Quito by 1:30 in the afternoon, wrapping the city in a grey cloud that made it almost impossible to breathe. -
Caracterización De Depósitos De Corriente De Densidad Piroclástica Asociados a La Caldera De Cuicocha, Norte De Los Andes Ecuatorianos
UNIVERSIDAD DE INVESTIGACIÓN DE TECNOLOGÍA EXPERIMENTAL YACHAY Escuela de Ciencias de la Tierra, Energía y Ambiente TÍTULO: CARACTERIZACIÓN DE DEPÓSITOS DE CORRIENTE DE DENSIDAD PIROCLÁSTICA ASOCIADOS A LA CALDERA DE CUICOCHA, NORTE DE LOS ANDES ECUATORIANOS. Trabajo de integración curricular presentado como requisito para la obtención del título de Geóloga Autor: Patricia Janeth Rengel Calvopiña Tutor: Ph. D. Almeida Gonzalez Rafael Urcuquí, Julio 2020 AUTORÍA Yo, Patricia Janeth Rengel Calvopiña, con cédula de identidad 1725202830, declaro que las ideas, juicios, valoraciones, interpretaciones, consultas bibliográficas, definiciones y conceptualizaciones expuestas en el presente trabajo; así cómo, los procedimientos y herramientas utilizadas en la investigación, son de absoluta responsabilidad de el/la autora (a) del trabajo de integración curricular. Así mismo, me acojo a los reglamentos internos de la Universidad de Investigación de Tecnología Experimental Yachay. Urcuquí, Julio 2020. ___________________________ Patricia Janeth Rengel Calvopiña CI: 1725202830 AUTORIZACIÓN DE PUBLICACIÓN Yo, Patricia Janeth Rengel Calvopiña, con cédula de identidad 1725202830, cedo a la Universidad de Tecnología Experimental Yachay, los derechos de publicación de la presente obra, sin que deba haber un reconocimiento económico por este concepto. Declaro además que el texto del presente trabajo de titulación no podrá ser cedido a ninguna empresa editorial para su publicación u otros fines, sin contar previamente con la autorización escrita de la Universidad. Asimismo, autorizo a la Universidad que realice la digitalización y publicación de este trabajo de integración curricular en el repositorio virtual, de conformidad a lo dispuesto en el Art. 144 de la Ley Orgánica de Educación Superior Urcuquí, Julio 2020. ___________________________ Patricia Janeth Rengel Calvopiña CI: 1725202830 “El mayor desafío que enfrentan nuestros países de cara al futuro como naciones con doscientos años de independencia es la educación. -
Cayambeantisana Skills Expedition
The Spirit of Alpinism www.AlpineInstitute.com [email protected] Administrative Office: 360-671-1505 Equipment Shop: 360-671-1570 CayambeAntisana Skills Expedition Program Itinerary Copyright 2015, American Alpine Institute Day 1: Arrive Quito (9500 ft / 2895 m) – Start of Part 1 This is the first scheduled day of the program. Arrive in Quito and meet your guide and other members of the expedition at Hotel Reina Isabel. The first day is designated for travel to Ecuador and becoming situated in country. For those who arrive early, we will provide you with a variety of sight seeing options including a tour of the historic colonial sector of Quito and El Panecillo overlooking the city. We will spend the night at Hotel Reina Isabel. Day 2: Acclimatize Otavalo Market After meeting the rest of your group for breakfast, we will drive north, crossing the line of the Equator on our way to the Otavalo market. We begin our acclimatization by exploring the market which is filled with indigenous crafts and food. For lunch, we will take a leisurely walk to Lago de San Pablo and dine on the lake shore across from the dormant Imbabura Volcano (15,255ft). We will return to Hotel Reina Isabel for the evening. Day 3: Acclimatize Cerro Pasochoa (13,776 ft / 4199 m) Today we will go on our first acclimatization hike on Cerro Pasochoa. The Pasochoa Wildlife Refuge has been protected since 1982, and exists as it did in preColombian times. In the forest below Cerro Pasochoa we will hike among stands of pumamaqui, polyapis, podocarpus, and sandlewood trees as we watch for some of the more than one hundred species of native birds. -
Espacio Social Y Cambio Político
www.flacsoandes.edu.ec COTO PAX I : ESPACIO SOCIAL Y CAMBIO POLÍTICO Eloy Alfaro, Ana Marla Larrea Maldonado Galo Ramon Valarezo, Marla Fernanda Vallejo, Marjorie Viera ï' / '/ æ ' L.?'y / $ ■ * \ K â A » F K|r ^1 / 1 1 11 ¿/ n il «> ri. I V ^ t t r if 1 » i , y„ m f. fert i J *9L_ \ 1 f « 1 H « . ** * à » «ti tin... _ ! ^ \ 1 M W - n ■# i © CAMAREN - IEE, QUITO ■ ECUADOR, 2007 Título: Cotopaxi: espacio social y cambio político Autores: Eloy Al laro, Ana María Larrea Maldonado, Galo Ramón Valarezo. María Fernanda Vallejo, Marjorie Viera Eje temático: Desarrollo local con énfasis en la gestión integrada de los recursos naturales Institución coordinadora: Instituto de Estudios Ecuatorianos -IEE- Coordinación de eje: Antonio Gaybor Edición: Angel Bonilla, Pablo Ospina Diseño Gráfico: Verónica Avila / Activa Diseño Editorial Fotos: Dennis García (retiro portada). Archivo IEE. Impresión: Activa Diseño Editorial Auspiciantes: COSETDE, Embajada Real de los Países Bajos Organismo internacional asesor: l \ rERCOOPERA PION CAMAREN: [email protected] / [email protected] Ave. Amazonas y Eloy Alfaro Edif. MAG 7mo piso, Quito, Ecuador, telf: (593-2) 2563 419 / 2563 485 IEE: [email protected] San Ignacio 134 y 6 de Diciembre INTRODUCCIÓN UNIDAD i COTOPAXI AL DEBATE: 1740-2001 9 GALO RAMÓN INTRODUCCIÓN 10 CAPÍTULO 1 EL CORREGIMIENTO DE LATACUNGA ENTRE 1740-1910 12 Ubicación y ambiente 12 Administración y pueblos del Corregimiento 15 De la crisis textil a los complejos “obraje-hacienda” 16 Los señoríos y parcialidades indígenas 20 El sistema hacendarlo -
The First Geopark in Ecuador: Imbabura
EDITORIAL - The First Geopark in Ecuador: Imbabura. EDITORIAL The First Geopark in Ecuador: Imbabura. Yaniel Misael Vázquez Taset and Andrea Belén Tonato Ñacato DOI. 10.21931/RB/2019.04.01.1 The UNESCO Global Geoparks are created in the nineties as Geoparks composed specific geographic areas that show particular a European regional initiative to respond the increasing need for and relevant geological features of our planet’s history (UNESCO enhancing and preserving the geological heritage of our planet 1, 4). In South America, and principally in the Andean zone, the evi- based on the geological record of determined areas. These geo- dence associated to the convergence and subduction of the Nazca 830 graphic sites are part of the evidence of the 4600 Ma of Earth’s Plate and South American Plate is well preserved. For this reason, evolution. This initiative is based on three essential pillars 2: pres- there is a wide variety of natural and geological attractions (rang- ervation, education and geo – tourism designed to reach the sus- es of different ages, valleys, volcanoes, geothermal systems, sed- tainable economic development based on the harnessing of the imentary basins, faults, rocks, minerals, fossils, etc.). The beauty geological heritage. These main thrusts are the guidelines to man- and the showiness of the region have motivated the launching of age Geoparks, and give the possibility to develop economic and various Geopark proposals, for example: Napo – Sumaco in the touristic activities which increase the economic income in com- Amazon Region, Península Santa Elena and Jama – Pedernales in munities. As a consequence, the settler’s life’s quality is positively the Coast, Galápagos in the Insular Region, and Volcán Tungura- affected. -
PRATT-THESIS-2019.Pdf
THE UTILITARIAN AND RITUAL APPLICATIONS OF VOLCANIC ASH IN ANCIENT ECUADOR by William S. Pratt, B.S. A thesis submitted to the Graduate Council of Texas State University in partial fulfillment of the requirements for Master of Arts with a Major in Anthropology August 2019 Committee Members: Christina Conlee, Chair David O. Brown F. Kent Reilly III COPYRIGHT by William S. Pratt 2019 FAIR USE AND AUTHOR’S PERMISSION STATEMENT Fair Use This work is protected by the Copyright Laws of the United States (Public Law 94-553, section 107). Consistent with fair use as defined in the Copyright Laws, brief quotations from this material are allowed with proper acknowledgement. Use of this material for financial gain without the author’s express written permission is not allowed. Duplication Permission As the copyright holder of this work I, William S. Pratt, authorize duplication of this work, in whole or in part, for educational or scholarly purposes only. ACKNOWLEDGEMENTS Numerous people have contributed over the years both directly and indirectly to the line of intrigue that led me to begin this work. I would like to extend thanks to all of the members of my thesis committee. To Christina Conlee for her patience, council, and encouragement as well as for allowing me the opportunity to vent when the pressures of graduate school weighed on me. To F. Kent Reilly for his years of support and for reorienting me when the innumerable distractions of the world would draw my eye from my studies. And I especially owe a great deal of thanks to David O.