Characterization of groundwater dynamics in a karstic aquifer through active and passive Fiber Optic DTS methods

Olivier Bour1, Hugo Le Lay2, Nataline Simon3, Jacques Bodin4, Nicolas Lavenant5, Benoit Nauleau4, Gilles Porel4 and Tanguy Le Borgne1, (1)Géosciences Rennes, CNRS - University of Rennes, Rennes Cedex, France, (2)University of Rennes, Rennes Cedex, France, (3)Geosciences Rennes, CNRS - University of Rennes, Rennes, France, (4)University of Poitiers, Poitiers, France, (5)Geosciences Rennes, Rennes Cedex, France