Articles | Volume 22, issue 7
https://doi.org/10.5194/hess-22-3825-2018
https://doi.org/10.5194/hess-22-3825-2018
Research article
 | 
18 Jul 2018
Research article |  | 18 Jul 2018

Estimating epikarst water storage by time-lapse surface-to-depth gravity measurements

Cédric Champollion, Sabrina Deville, Jean Chéry, Erik Doerflinger, Nicolas Le Moigne, Roger Bayer, Philippe Vernant, and Naomi Mazzilli

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Latest update: 16 Jul 2024
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Short summary
Gravity monitoring at the surface and in situ (in caves) has been conducted in a karst hydro-system in the south of France (Larzac plateau). Subsurface water storage is evidenced with a spatial variability probably associated with lithology differences and confirmed by MRS measurements. Gravity allows transient water storage to be estimated on the seasonal scale.