Transport mechanisms and depositional processes of quaternary slope deposit in Rebrnice area

摘要

In order to understand the gravity process of recent landslides it is important to explore fossiludlandslides, which occurred during the near and distant geological past. Fossil, especially sub recentudlandslides can show us unstable and potentially dangerous areas to which we should pay attentionudtoday. A unique insight into different slope processes in nature is certainly Rebrnice area, where youudcan research the characteristics of the fossil landslides while observing the activity of the recentudlandslidess. The slope deposit in the Rebrnice area were described and mapped by many authors butudnobody has covered the transport mechanisms and depositional processes of quaternary slope depositudin detail. This doctoral thesis presents the study of slope deposit elaborated with the geologicalgeomorphologicaludapproach. With the visual interpretation of the shaded digital elevation model andudindicator of surface roughness, which are calculated from the data of airborne laser scanning in theudcombination of geological mapping, we can in most cases clearly identify the form of the prevalenceudand surface characteristics of individual sedimentary bodies. On the basis of the lithological,udstratigraphic and architectural characteristics of the slope deposit 16 facies were separated, indicatingudthe final articles of diverse sedimentary processes within complex and often interlaced andudinterdependent transport mechanisms. Results described in this work, and a comprehensive review ofudthe available data and literature have made it possible to understand the transport mechanisms and theuddepositional processes of quaternary slope deposit in the Rebrnice area and thereby allow new insightudinto slope movement throughout the northern area of the Vipava Valley.