Výsledky vyhledávání - "Dácil Nolasco"

Spatial and temporal variations of diffuse CO2degassing at El Hierro volcanic system: Relation to the 2011-2012 submarine eruption

Autor: Eleazar Padrón, José Barrancos, Nemesio M. Pérez, Gladys V. Melián, Dácil Nolasco, David Calvo, Pedro A. Hernández, Samara Dionis, Fátima Rodríguez, Germán D. Padilla

Publikováno v: Journal of Geophysical Research: Solid Earth. 119:6976-6991

We report herein the results of extensive diffuse CO2 emission surveys performed on El Hierro Island in the period 1998–2012. More than 17,000 measurements of the diffuse CO2 efflux were carried out, most of them during the volcanic unrest period t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ada193b44a3404171d9cbec7f8e6132f
https://doi.org/10.1002/2014jb011013

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A new method for estimating greenhouse gases and ammonia emissions from livestock buildings

Autor: Eleazar Padrón, Germán D. Padilla, Nemesio M. Pérez, Pedro A. Hernández, Gladys V. Melián, José Barrancos, Dácil Nolasco, Isabel Fernández, Susana Briz

Publikováno v: Atmospheric Environment. 74:10-17

It is widely known that carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) are the main greenhouse gases contributing to global climate change. Emission factors for the aforementioned gases have been proposed in order to calculate the contri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca1c91007d765abff4898ad7a21d8d8a
https://doi.org/10.1016/j.atmosenv.2013.03.021

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An increasing trend of diffuse CO 2 emission from Teide volcano (Tenerife, Canary Islands): geochemical evidence of magma degassing episodes

Autor: Pedro A. Hernández, Gladys V. Melián, Giovanni Chiodini, Samara Dionis, José Barrancos, Fátima Rodríguez, Germán D. Padilla, Eleazar Padrón, Nemesio M. Pérez, Dácil Nolasco, David Calvo

Publikováno v: Journal of the Geological Society. 170:585-592

Multiple soil CO 2 efflux surveys have been undertaken at the summit cone of Teide volcano, Tenerife, from 1997 to 2011, to determine the total CO 2 emissions from the summit cone and to evaluate the temporal variations of CO 2 efflux and their relat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::882286992503ad62412a76ee72b6c064
https://doi.org/10.1144/jgs2012-125

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Diffusive helium emissions as a precursory sign of volcanic unrest

Autor: Hirochika Sumino, Gladys V. Melián, Fátima Rodríguez, Samara Dionis, Germán D. Padilla, I. Hernández, José Barrancos, Nemesio M. Pérez, Keisuke Nagao, Eleazar Padrón, María D. Peraza, Pedro A. Hernández, Dácil Nolasco, David Calvo

Publikováno v: Geology. 41:539-542

Significant increases in helium emissions from the soil and 3 He/ 4 He ratios in groundwater on El Hierro Island (Canary Islands, Spain) were observed prior to the 2011–2012 submarine eruption off the coast of the island. The changes of diffusive h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c23de18d889ed06aa77c1d9da2917eac
https://doi.org/10.1130/g34027.1

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Soil gas radon emissions and volcanic activity at El Hierro (Canary Islands): The 2011-2012 submarine eruption

Autor: José Barrancos, Dácil Nolasco, David Calvo, Nemesio M. Pérez, Gladys V. Melián, Pedro A. Hernández, Eleazar Padrón, Samara Dionis, I. Hernández, Fátima Rodríguez, Germán D. Padilla

Publikováno v: Geochemistry, Geophysics, Geosystems. 14:432-447

[1] Soil gas Radon ( 222Rn) and Thoron ( 220Rn) activities have been continuously measured during the period of the recent volcanic unrest that occurred at El Hierro, Canary Islands, at two different monitoring stations, namely HIE02 and HIE03. Signi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::65278ac7086f83eb806204d2bb9dc85d
https://doi.org/10.1029/2012gc004375

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Soil gas geochemistry in relation to eruptive fissures on Timanfaya volcano, Lanzarote Island (Canary Islands, Spain)

Autor: Gladys V. Melián, José Barrancos, Fátima Rodríguez, Germán D. Padilla, Pedro A. Hernández, Dácil Nolasco, Samara Dionis, David Calvo, Eleazar Padrón, Nemesio M. Pérez

Publikováno v: Journal of Volcanology and Geothermal Research. 250:91-99

We report herein the first results of an extensive soil gas survey performed on Timanfaya volcano on May 2011. Soil gas composition at Timanfaya volcano indicates a main atmospheric source, slightly enriched in CO2 and He. Soil CO2 concentration show

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83d1c0a0cbc97531ff419b9d50e54c10
https://doi.org/10.1016/j.jvolgeores.2012.10.013

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Analysis of long- and short-term temporal variations of the diffuse CO2 emission from Timanfaya volcano, Lanzarote, Canary Islands

Autor: José Barrancos, Gladys V. Melián, Samara Dionis, Hirochika Sumino, Nemesio M. Pérez, Dácil Nolasco, David Calvo, Pedro A. Hernández, Fátima Rodríguez, Germán D. Padilla, Eleazar Padrón

Publikováno v: Applied Geochemistry. 27:2486-2499

Reported herein are the results of eight soil CO2 efflux surveys performed from 2006 to 2011 at Timanfaya Volcanic Field (TVF), Lanzarote Island with the aim of evaluating the long- and short-term temporal variations of the diffuse CO2 emission. Soil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::775c96319e813ed41e1cb8761799ea01
https://doi.org/10.1016/j.apgeochem.2012.08.008

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Helium emission at Cumbre Vieja volcano, La Palma, Canary Islands

Autor: Pedro A. Hernández, Eleazar Padrón, Dácil Nolasco, Nemesio M. Pérez, Germán D. Padilla, Gladys V. Melián, Hirochika Sumino, José Barrancos

Publikováno v: Chemical Geology. :138-147

We report herein the results of three soil helium surveys undertaken at Cumbre Vieja volcano, La Palma Island, Canary Islands. Helium content analyses at the surface environment of the volcano were carried out in the summers of 2002, 2003 and 2004. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06e9478f1c46de24ad9eafe85ede3016
https://doi.org/10.1016/j.chemgeo.2012.04.018

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A magmatic source for fumaroles and diffuse degassing from the summit crater of Teide Volcano (Tenerife, Canary Islands): a geochemical evidence for the 2004–2005 seismic–volcanic crisis

Autor: Francesco Sortino, Hirochika Sumino, P. Hernandez, Nemesio M. Pérez, Franco Tassi, Kenji Notsu, José Barrancos, Orlando Vaselli, Dácil Nolasco, Eleazar Padrón, David Calvo, Fátima Rodríguez, Samara Dionis, Gladys V. Melián, Germán D. Padilla

Publikováno v: Bulletin of Volcanology. 74:1465-1483

The present work reports the results of 15 studies of diffuse CO2 degassing performed at Teide Volcano crater (Canary Island, Spain) and the chemical and isotopic compositions of fluids discharged from a fumarolic field located at the top of the volc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c73414cc61b2bf4a71c5bf8bd74899d1
https://doi.org/10.1007/s00445-012-0613-1

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Global CO2 emission from volcanic lakes

Autor: M. Carmencita Arpa, Fátima Rodríguez, Germán D. Padilla, Kenji Notsu, José Barrancos, Paolo Reniva, Martha Ibarra, Gladys V. Melián, Pedro A. Hernández, Nemesio M. Pérez, Samara Dionis, Eleazar Padrón, Toshiya Mori, Minoru Kusakabe, Dácil Nolasco, David Calvo

Publikováno v: Geology. 39:235-238

The global CO 2 discharge from subaerial volcanism has been estimated at ~300 Mt yr –1 . However, estimates of CO 2 emissions from volcanic lakes have not been considered. In order to improve this information, extensive research on CO 2 emissions o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6a8f405d0d14e218c9f18942c08f03fb
https://doi.org/10.1130/g31586.1

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