Mitigating the ill-posedness of first-arrival traveltime tomography using slopes: application to crustal imaging from OBS data


Serge Sambolian1, Borhan Tavakoli F.1,2, Andrzej Górszczyk3, Stephane Operto1,4, Alessandra Ribodetti5,6 and Jean Virieux7, (1)University of Côte d'Azur, Nice, France, (2)Opera, Pau, France, (3)Institute of Geophysics PAS, Warsaw, Poland, (4)CNRS, Geoazur, Valbonne, France, (5)Université Côte d’Azur, CNRS, IRD, Observatoire de la Côte d’Azur, Géoazur, Valbonne, France, (6)IRD, Geoazur, Valbonne, France, (7)University Grenoble Alpes, Grenoble, France