Cayambeantisana Skills Expedition
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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. -
Developing a Health Training Program to Prepare for Volcanic Eruptions in Colombia and Ecuador
ECHO/ISDR good practices for resilient communities Developing a Health Training Program to Prepare for Volcanic Eruptions in Colombia and Ecuador A DIPECHO Project, executed by The Pan American Health Organization/World Health Organization Summary Country/ies of implementation of the Action Ecuador and Colombia. In Ecuador, the provinces of Pichincha, Chimborazo, Tungurahua, Sucumbios, and Napo. In Colombia, the departments of Nariño, Caldas, Risaralda and Quindío. Principal objective To reduce risk by better preparing the vulnerable populations in the areas most affected by volcanic eruptions in Ecuador and Colombia. In this case, preparedness means the reinforcement of the coping capacity of the health sector at the national, sub-national and municipal level in both selected countries. These improvements are critical to the establishment of a better preparedness program, and to the exchange of technical experiences between Ecuador and Colombia. Specific objective Strengthening the technical capacity of the health sector in both selected countries to respond to volcanic eruptions, through the development and dissemination of training materials on health preparedness, a “train the trainers” program for health professionals at the national, sub-national and municipal levels, and training of members of existing disaster response teams (EOCs). 1.1.1. 1.1.2. Problem statement Together, Ecuador and Colombia have the highest number of active volcanoes in Latin America. History in those countries is plagued with examples of volcanic eruptions that have caused dramatic human and economic losses with a significant impact on the development of the affected populations, such as the Nevado del Ruiz eruption in 1985 in Colombia, and the eruptions of the Guagua Pichincha, Tungurahua and Reventador volcanoes in recent years in Ecuador. -
1. GENERAL INFORMATION 1.1. About Ecuador
2nd Meeting of the ITU Centres of Excellence (CoE) Steering Committee for the Americas Region From 11 to 12 December 2019 Quito, Ecuador 1. GENERAL INFORMATION 1.1. About Ecuador: Ecuador is the second smallest country in South America. Nevertheless, it has a diversity of landscapes to explore. The Pacific Coast stretches along the western edge of Ecuador, while the Highlands or the "Sierra" is centralized in the country, stretching all the way from the North to the South. The East is mainly composed of Amazonian rainforest; and, the "Island Region" contains the Galapagos Islands, volcanic islands located in the Pacific Ocean about 960 kilometres from the Ecuadorian coast. The unique wildlife located in the archipelago inspired the British naturalist Charles Darwin in the development of the theory of evolution. Due to the proximity of the country with the Equator and its geographic diversity, Ecuador is an ideal destination for lovers of nature, orchids and exotic birds and jungle plants, strange insects, wastelands hit by the wind, tropical forests and intrepid animals. Due to the proximity of the country with the Equator and its geographic diversity, Ecuador is an ideal destination for nature lovers, with orchids and exotic birds, jungle plants and strange insects, moorlands hit by the wind, tropical forests and intrepid animals. In addition to the natural richness, Ecuador has a recognized cultural heritage deriving mainly from the traditions and history of their diverse peoples and nationalities, an integral part of this Andean country. As a result of its small size (256.370 square kilometres), all its regions can be easily visited in a short period of time. -
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. -
La Catástrofe Del Nevado Del Ruiz, ¿Una Enseñanza Para El Ecuador? El Caso Del Cotopaxi
La catástrofe del Nevado del Ruiz, ¿Una enseñanza para el Ecuador? El caso del Cotopaxi. Robert d’Ercole To cite this version: Robert d’Ercole. La catástrofe del Nevado del Ruiz, ¿Una enseñanza para el Ecuador? El caso del Cotopaxi.. Estudios de Geograf’ia, Corporación Editora Nacional, 1989, Riesgos Naturales en Quito, 2, pp.5-32. hal-01184809 HAL Id: hal-01184809 https://hal.archives-ouvertes.fr/hal-01184809 Submitted on 25 Aug 2015 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. LA CATASTROFE DEL NEVADO DEL RUIZ l UNA ENSENANZA- PARA EL ECUADOR ? EL CASO DEL COTOPAXI Robert D'Ercole* El 13 de noviembre de 1985, el volcân colombiano, el Nevado deI Ruiz, erupciono provocando la muerte de unas 25.000 personas. Esta es la mayor catâstrofe causada por un volcan desde la que produjo 29.000 victimas, en 1902 en la isla Martinica, luego de la erupci6n de la Montafla Pelée. La magnitud de las consecuencias y el hecho de que el Ruiz haya dado signos de reactivaci6n mucho tiempo antes, plantean el problema deI fenomeno natural pero también de los factores humanos que originaron la tragedia. -
Area Changes of Glaciers on Active Volcanoes in Latin America Between 1986 and 2015 Observed from Multi-Temporal Satellite Imagery
Journal of Glaciology (2019), 65(252) 542–556 doi: 10.1017/jog.2019.30 © The Author(s) 2019. This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons. org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited. Area changes of glaciers on active volcanoes in Latin America between 1986 and 2015 observed from multi-temporal satellite imagery JOHANNES REINTHALER,1,2 FRANK PAUL,1 HUGO DELGADO GRANADOS,3 ANDRÉS RIVERA,2,4 CHRISTIAN HUGGEL1 1Department of Geography, University of Zurich, Zurich, Switzerland 2Centro de Estudios Científicos, Valdivia, Chile 3Instituto de Geofisica, Universidad Nacional Autónoma de México, Mexico City, Mexico 4Departamento de Geografía, Universidad de Chile, Chile Correspondence: Johannes Reinthaler <[email protected]> ABSTRACT. Glaciers on active volcanoes are subject to changes in both climate fluctuations and vol- canic activity. Whereas many studies analysed changes on individual volcanoes, this study presents for the first time a comparison of glacier changes on active volcanoes on a continental scale. Glacier areas were mapped for 59 volcanoes across Latin America around 1986, 1999 and 2015 using a semi- automated band ratio method combined with manual editing using satellite images from Landsat 4/5/ 7/8 and Sentinel-2. Area changes were compared with the Smithsonian volcano database to analyse pos- sible glacier–volcano interactions. Over the full period, the mapped area changed from 1399.3 ± 80 km2 − to 1016.1 ± 34 km2 (−383.2 km2)or−27.4% (−0.92% a 1) in relative terms. -
A Nomenclator of Diplostephium (Asteraceae: Astereae): a List of Species with Their Synonyms and Distribution by Country
32 LUNDELLIA DECEMBER, 2011 A NOMENCLATOR OF DIPLOSTEPHIUM (ASTERACEAE: ASTEREAE): A LIST OF SPECIES WITH THEIR SYNONYMS AND DISTRIBUTION BY COUNTRY Oscar M. Vargas Integrative Biology and Plant Resources Center, 1 University Station CO930, The University of Texas, Austin, Texas 78712 U.S.A Author for correspondence ([email protected]) Abstract: Since the description of Diplostephium by Kunth in 1820, more than 200 Diplostephium taxa have been described. In the absence of a recent revision of the genus, a nomenclator of Diplostephium is provided based on an extensive review of the taxonomic literature, herbarium material, and databases. Here, 111 species recognized in the literature are listed along with their reference citations, types, synonyms, subspecific divisions, and distributions by country. In addition, a list of doubtful names and Diplostephium names now considered to be associated with other taxa is provided. Resumen: Desde la descripcio´n del genero Diplostephium por Kunth en 1820, mas de 200 nombres han sido publicados bajo Diplostephium. En ausencia de un estudio taxono´mico actualizado, se presenta una lista de nombres de Diplostephium basada en una revisio´n extensiva de la literaura taxono´mica, material de herbario y bases de datos. En este estudio se listan las 111 especies reconocidas hasta ahora, incluyendo informacio´n acerca de la publicacio´n de la especie, tipos, sino´nimos, divisio´n subgene´rica y distribuciones por paı´s. Adicionalmente se provee una lista de nombres dudosos y nombres de Diplostephium que se consideran estar asociados con otros taxones. Keywords: Asteraceae, Astereae, Diplostephium, nomenclator. Diplostephium is a genus of small trees, (ROSMARINIFOLIA,FLORIBUNDA,DENTICU- shrubs, and sub-shrubs that range from LATA,RUPESTRIA, and LAVANDULIFOLIA 5 Costa Rica to northern Chile. -
Landing Helicoptero
New Helicopter Tours Watch Video GENERAL DESCRIPTION Flying over the Avenue of the Volcanoes from the comfort and vantage point of a state-of-the-art helicopter is a once in a lifetime experience for all those seeking a luxurious rush. You’ll have the city of Quito under your feet and impressive views all around that showcase the wide variety of Ecuadorian landscapes. Mountains, rivers and waterfalls all come into view for excellent photo opportunities and an unforgettable memory, creating an experience that can only be compared to the wonder seen in epic movies. Ask about prices, additional fees, medical restrictions and the best times to make this exclusive activity a reality. And don’t forget to bring your camera and adventurous spirit along! SEAT CONFIGURATION ROUTES Route 1 Route 2 Route 3 Route 4 Quito ROUTE 1: TAMBILLO, WATERFALLS, COTOPAXI, RUMIÑAHUI Get familiar with some of Ecuador’s most beautiful views while flying up high on this brief but wholly satisfying ride. Flight time: 35 minutes Flight distance: ≈ 71 km (44 mi) ROUTE 2: TAMBILLO, WATERFALLS, COTOPAXI, RUMIÑAHUI, MACHACHI Fly over the outskirts of Quito and admire its fertile farmlands surrounded by rocky mountains gorgeous waterfalls, and majestic volcanoes. Flight time: 39 minutes Flight distance: ≈ 82 km (50 mi) ROUTE 3: TAMBILLO, ANTISANA, COTOPAXI, RUMIÑAHUI, MACHACHI A flight along Quito’s perimeter brings us face-to-face with the Andes’ most impressive features, from snow-capped volcanoes to gigantic mountains that many adventurers explore on weekends. Flight time: 56 minutes Flight distance: ≈ 123 km (76 mi) ROUTE 4: TAMBILLO, MACHACHI, RUMIÑAHUI, COTOPAXI, ANTISANA, CAYAMBE, QUITO An expansive journey that goes as far as the Middle of the World allows us to experience a wide variety of spectacular landscapes and scenery that surround the capital.