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Vuataz, François
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Vuataz, François
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Voici les éléments 1 - 10 sur 16
- PublicationMétadonnées seulementSimulations of hot brine-rock interactions and consequences on reservoir properties - Enhanced Geothermal System at Soultz-sous-Forets, France(2004)
; - PublicationMétadonnées seulementNatural tracers to quantify seasonal variations of groundwater mixing in a complex alluvial aquifer (Pfynwald, Switzerland)Dissolved sulphate, oxygen-18, deuterium and tritium have been used to quantify seasonal variations of groundwater mixing in a complex alluvial aquifer in the upper Rhone valley (Pfynwald, Wallis, Switzerland). The concentration of these four natural tracers reflects spatial and seasonal chemical variations of the alluvial Rhone aquifer. Further they represent mixing rates between weakly mineralized infiltrated Rhone River water and SO4-rich water flowing from the south valley side. The delta O-18 composition decreases from -14.03 parts per thousand at the south valley side to -14.85 parts per thousand near the Rhone River and follows the general groundwater flow pattern as well as the observed dissolved sulphate distribution. A positive correlation exists between the delta O-18 values and sulphate concentrations and can be represented by a linear regression. A two-component model has been applied to tritium concentrations to calculate groundwater mixing rates during high and low water-level periods.
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- PublicationMétadonnées seulementSimulation of mineral precipitation and dissolution in the 5-km deep enhanced geothermal reservoir at Soultz-sous-Forêts, France(2005)
; - PublicationMétadonnées seulementChemistry of a low temperature geothermal reservoir: The Triassic sandstone aquifer at Melleray, France(1988)
; - PublicationMétadonnées seulementGeochemical modelling of water-rock interactions and implications on the properties of the Soultz fractured reservoir(2005)