Imaging saline tracer infiltration into unsaturated sandy soil using full-waveform inversion of cross-borehole ground penetrating radar

Majken Looms1, Eline B Haarder2, Johanna Keskinen2, Lars Nielsen1, Jan Van Der Kruk3 and Anja Klotzsche4, (1)University of Copenhagen, København K, Denmark, (2)University of Copenhagen, Copenhagen, Denmark, (3)Forschungszentrum Jülich GmbH, Jülich 52428, Germany, (4)Forschungszentrum Jülich GmbH, Agrosphere (IBG-3), Institute of Bio- and Geosciences, Jülich, Germany