Articles | Volume 5, issue 2
Solid Earth, 5, 1209–1221, 2014
https://doi.org/10.5194/se-5-1209-2014
Solid Earth, 5, 1209–1221, 2014
https://doi.org/10.5194/se-5-1209-2014

Research article 02 Dec 2014

Research article | 02 Dec 2014

Tunable diode laser measurements of hydrothermal/volcanic CO2 and implications for the global CO2 budget

M. Pedone et al.

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Short summary
Here, we present the results of tunable diode laser observations at four quiescent volcanoes: Nea Kameni, Hekla, Krýsuvík, and Vulcano Island, which display a range of fumarolic activity from weak to moderate. This study contributes to better characterising the typical levels of CO2 emission from such feeble volcanic point sources, suggesting that the cumulative contribution from weakly degassing volcanoes may be significant at global scale.