The identification of neotectonics based on changes of valley floor width

This paper concerns the identification of neotectonics structures on the basis of topographic maps analysis. The investigation parameter is valley floor width (VFW), this being applied to the drainage basin of the BeCva river, Czech Republic. It is firstly necessary to determine the theoretic profile of the VFW downstream increment. For its construction the magnitudo was used (Shreve, 1966). Then, the differences between the real VFW and the theoretical VFW were calculated. The differences were classified according to the associated bedrock lithology. The sections where differences were widely divergent from the average are assumed to be have been affected by neotectonics.