Three study cases were chosen in the Swiss Alps to illustrate the potentialities of this method for studying landforms in mountain dynamic environments: the first one concerns the study of permafrost distribution in a high altitude talus slope in the Valais Alps the second one analyses the architecture of fluvial deposits in the Rhône River floodplain and the last one considers the geometry of the Cimadera landslide located in the Ticino Canton. This helps to determine the nature of the subsurface, its rough porosity, the presence of water and/or ice and thus to characterise the environments of deposition. The data processing based on forward and inverse modelling process allows obtaining tomographies of the electrical resistivities distribution in the ground. ![]() The Electrical Resistivity Tomography (ERT) is a method based on the study of the capacity of the subsurface to resist to an electrical current.
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