Transient Calibration of a Variably-Saturated Groundwater Flow Model By Iterative Ensemble Smoothering: Synthetic Case and Application to the Flow Induced During Shaft Excavation and Operation of the Bure Underground Research Laboratory

Dan-Thuy Lam1, Jaouher Kerrou1, Hakim Benabderrahmane2 and Pierre Perrochet1, (1)University of Neuch√Ętel, Centre for Hydrogeology and Geothermics (CHYN), Neuch√Ętel, Switzerland, (2)ANDRA National Radioactive Waste Management Agency, Chatenay-Malabri Cedex, France