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2010
DOI: 10.2516/ogst/2009052
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Geochemical Study of Natural CO2Emissions in the French Massif Central: How to Predict Origin, Processes and Evolution of CO2Leakage

Abstract: Résumé -Étude géochimique des émissions naturelles de CO 2 du Massif Central : origine et processus de migration du gaz -Cette étude présente les principaux résultats de campagnes de monitoring géochimique menées en 2006 et 2007 dans le cadre du projet Géocarbone-Monitoring, sur le site de Sainte-Marguerite, situé dans le Massif Central. Ce site constitue un « laboratoire naturel » pour l'étude des interactions CO 2 /fluides/roches et des mécanismes de migration du CO 2 vers la surface, à l'échelle des temps g… Show more

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Cited by 44 publications
(18 citation statements)
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“…Field measurements of the soil gas concentrations were made with a method modified from previously described techniques (Battani et al 2010;Rogozhin et al 2010;Garcia et al 2012;Sukhanova et al 2013;Larin et al 2014). Small holes were drilled with a portable perforator using a 120 cm long drilling bit with a 12 mm diameter.…”
Section: Field Methodsmentioning
confidence: 99%
“…Field measurements of the soil gas concentrations were made with a method modified from previously described techniques (Battani et al 2010;Rogozhin et al 2010;Garcia et al 2012;Sukhanova et al 2013;Larin et al 2014). Small holes were drilled with a portable perforator using a 120 cm long drilling bit with a 12 mm diameter.…”
Section: Field Methodsmentioning
confidence: 99%
“…The characteristics of the site studied are presented in another publication (Battani et al, 2009). The measurements were performed with a rectangular grid and with a regular-stratified repartition of measure Note: the dispersion of measurements observed in situ is due to the inaccuracy of the method but also to the possible temporal evolution of CO 2 flux itself Figure 12 Deviations and repeatability in CO 2 flux measurements as taken in-situ at the natural CO 2 emission sites.…”
Section: Example Of Results Obtained At Natural Co 2 Fieldsmentioning
confidence: 99%
“…Battani et al, 2009) which leads to the following equation: (1) where C is the measured concentration, C f the final concentration, C o the initial concentration, t the time and τ a time constant characteristic of the speed of the charge/ discharge process.…”
Section: Continuous Recordingmentioning
confidence: 99%