3D Ambient Noise Tomography for Preliminary High-Resolution Geological Surveys of Hydropower Dams – The Rhonergia Case Study (France)Maria Saade, Clément Mogenier, Simon Robert and Romain GranjonE3S Web Conf., 700 (2026) 03002DOI: https://doi.org/10.1051/e3sconf/202670003002