Imaging and modeling of flow in porous media using clinical nuclear emission tomography systems and computational fluid dynamics

► Non-destructive and non-perturbing imaging of sediment columns. ► Clinical nuclear emission tomography used in earth science research. ► PET and SPECT imaging of contaminant transport and flow dynamics in sediments. ► Computational fluid dynamic (CFD) simulations models of flow in porous medium. ► 4D PET and SPECT flow imaging results compare well with CFD simulations.