Anomalous pressure diffusion in sparse fracture systems: Insights from hydraulic and thermal field experiments at the Grimsel Underground Research Laboratory, Switzerland

Bernard Brixel, ETH Zurich Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, Maria Klepikova, ETH Zurich, Geological Institute, Zurich, Switzerland, Qinghua Lei, Imperial College London, London, United Kingdom, Clément Roques, ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, Mohammadreza Jalali, ETH Zurich, Zurich, Switzerland and Simon Loew, ETH-Zuerich, Zuerich, Switzerland