Geomorphologic risk modelling of the sibiu depression using geospatial surface analyses

Abstract

Extreme events in general, and the geomorphologic ones in particular, are highly topical problems. There were addresses by many researchers in the field of geology and physical geography (more specific by the climatologists and geomorphologists), but also by biologists, chemists, ecologists, etc. These are studied through the analysis of some types of processes and production mechanisms, and secondly by the effects they create on other environmental subsystems. Triggering causes and mechanisms of geomorphologic processes are known. Nevertheless they constitute a threat by their magnitude that occur in some areas and which have a negative impact on short and long term, as well. Among these are: changes in the landscape, land degradation and loss of soil fertility, sometimes irreversible, damage to transport infrastructure, economic losses and even social effects, etc.