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Diffuse and focused carbon dioxide and methane emissions from the Sousaki geothermal system, Greece

Identifieur interne : 000152 ( Main/Exploration ); précédent : 000151; suivant : 000153

Diffuse and focused carbon dioxide and methane emissions from the Sousaki geothermal system, Greece

Auteurs : W. D'Alessandro [Italie] ; L. Brusca [Italie] ; K. Kyriakopoulos [Grèce] ; S. Rotolo [Italie] ; G. Michas [Grèce] ; M. Minio [Italie] ; G. Papadakis [Grèce]

Source :

Geophysical Research Letters [ 0094-8276 ] ; 2006-03.

RBID : ISTEX:55D7233101AB22D79BDD57FB688FE7A43F12ABF0

English descriptors

Abstract

We report first data on chemical composition of the gas emitted by the geothermal system of Sousaki, Greece. Gas manifestations display typical geothermal gas composition with CO2 as the main component and CH4 and H2S as minor species. Soil gas composition derives from the mixing of two end‐members (atmospheric air and geothermal gas). Soil CO2 fluxes range from<2 to 33,400 g m−2 d−1. The estimated diffuse output of hydrothermal CO2, estimated for an area of 0.015 km2, is about 630 g s−1, while a tentative estimation of CH4 diffuse output gave a value of about 1.15 g s−1. Point sources accounted for lower flux values of ∼26 g s−1 of CO2, ∼0.1 g s−1 of CH4 and ∼0.02 g s−1 of H2S.

Url:

https://api.istex.fr/document/55D7233101AB22D79BDD57FB688FE7A43F12ABF0/fulltext/pdf

DOI: 10.1029/2006GL025777

Affiliations:

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Le document en format XML

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<front><div type="abstract">We report first data on chemical composition of the gas emitted by the geothermal system of Sousaki, Greece. Gas manifestations display typical geothermal gas composition with CO2 as the main component and CH4 and H2S as minor species. Soil gas composition derives from the mixing of two end‐members (atmospheric air and geothermal gas). Soil CO2 fluxes range from<2 to 33,400 g m−2 d−1. The estimated diffuse output of hydrothermal CO2, estimated for an area of 0.015 km2, is about 630 g s−1, while a tentative estimation of CH4 diffuse output gave a value of about 1.15 g s−1. Point sources accounted for lower flux values of ∼26 g s−1 of CO2, ∼0.1 g s−1 of CH4 and ∼0.02 g s−1 of H2S.</div>
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Diffuse and focused carbon dioxide and methane emissions from the Sousaki geothermal system, Greece

Diffuse and focused carbon dioxide and methane emissions from the Sousaki geothermal system, Greece

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri