A WATER INJECTION EXPERIMENT IN THE VADOSE ZONE: THE USE AND VALUE OF NON INVASIVE CROSS-HOLE DATA FOR MODEL CALIBRATION

Giorgio Cassiani, Rita Deiana & Giorgio Cassiani
The characterization of the deep vadose zone is traditionally a difficult task, since access without disturbance of samples or modification of in-situ conditions is practically impossible. On the other hand, the presence and flow of water in the vadose zone controls a number of phenomena of great environmental interests, such as contamination of water resources, catchment hydrology, floods and slope stability. As a consequence, non invasive – geophysical - techniques, such as electrical resistivity tomography...
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