Total (fumarolic + diffuse soil) CO2 output from Furnas volcano

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Total (fumarolic + diffuse soil) CO2 output from Furnas volcano

Furnas volcano, in São Miguel island (Azores), being the surface expression of rising hydrothermal steam, is the site of intense carbon dioxide (CO2) release by diffuse degassing and fumaroles. While the diffusive CO2 output has long (since the early 1990s) been characterized by soil CO2 surveys, no information is presently available on the fumarolic CO2 output. Here, we performed (in August 20...

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The total amount of CO2 released at Ischia Island has been estimated from soil gas flux measurements and from chemical composition of the gases released by fumaroles or dissolved in groundwaters. The preliminary results indicate an overall CO2 output of about 15 kg s –1 from the entire island (46 km2). The main contribution to the total output from diffuse soil degassing is about 14.8 kg s–1, f...

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Comparative soil CO2 flux measurements and geostatistical estimation methods on Masaya volcano, Nicaragua

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Lead isotopes behavior in the fumarolic environment of the Piton de la Fournaise volcano (Reunion Island)

The recent activity of the Piton de la Fournaise volcano offers a rare opportunity to address the issue of Pb isotope behavior in volcanic fumaroles, as the composition of the degassing source is accurately and precisely known. Gas sublimates formed between 2007 and 2011 at temperature ranging from 400 to ca. 100 C include Na–K sulfate (aphthitalite), Ca–Cu sulfate (e.g., gypsum), Na sulfate (t...

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ژورنال

عنوان ژورنال: Earth, Planets and Space

سال: 2015

ISSN: 1880-5981

DOI: 10.1186/s40623-015-0345-5