Study of Groundwater Circulation Using Stable Isotopes : the Example of the Punaruu Watershed (Tropical Oceanic Island of Tahiti, French Polynesia)

Lydie Sichoix1, Anthony Hildenbrand2, Christelle Marlin2, Pierre-yves Gillot2, Lucie Pheulpin3 and Jean-Pierre Barriot3, (1)University of French Polynesia, Geodesy Observatory of Tahiti - GEPASUD Laboratory, Faa'a, French Polynesia, (2)Lab. GEOPS / University Paris-Sud, Orsay Cedex, France, (3)University of French Polynesia, Faa'a, French Polynesia