Supervisors info:
Μαρία Σταυροπούλου, Καθηγήτρια, Τμήμα Γεωλογίας και Γεωπεριβάλλοντος, ΕΚΠΑ
Summary:
The purpose of this thesis is to present and describe debris flow phenomena during a flash flood. On November 15, the city of Mandra and the surrounding countryside were flooded unexpectedly. The upstream watersheds, which received massive amounts of rainfall with a cumulative rainfall of nearly 300mm in less than 8 hours, suffered considerable damage, many human casualties, and significant geomorphological consequences.
The distribution of debris flows in the Agia Aikaterini stream is of great importance for the research of their processes. The pre-existing maps that depict the points where there were debris flows were the first data needed for the simulation. The simulation was run based on these to ensure the program's reliability.
The Rapid Mass Movements Simulation(RAMMS:: DEBRIS FLOW) is a surprisingly great software for simulating flow streams, with several useful tools and the ability to present them as editable graphics pretty quickly.
The following chapters discuss the concept of landslides and how to deal with the problems they cause, the factors that influence the appearance and onset of debris flows, the classification of debris flows, their deposition and morphology, failure analysis and stability, the characteristics and failure mechanisms of debris flows, the elimination of weak layers, and finally the study area and the simulation results.
Keywords:
Landslides, debris flow, RAMMS, slope stability, Mandra
