Comparison Between FLO-2D And
RAMMS In Debris-flow Modelling:
A Case Study In The Dolomites
Author(s)
M. Cesca & V. D’Agostino
Abstract
This paper presents a comparison of the results obtained through the use of two
numerical models for debris flow simulation. FLO-2D and RAMMS were used
to carry out a back analysis of a well-documented debris-flow event, which
occurred on 5th July 2006 in the Dolomites (Fiames locality, Belluno, Italy). The
performances of FLO-2D and RAMMS are tested in terms of adaptation degree
to the observed field data.
Keywords: debris flow, numerical modelling, FLO-2D, RAMMS, Dolomites.
1 Introduction
Debris flows are common in mountainous areas and present a severe hazard due
to their high mobility and impact energy. In addition to causing significant
morphological changes along rivers and mountain slopes, these flows are
frequently reported to have brought about extensive property damage and loss of
life. Therefore, accurate prediction of runout distances and velocities can reduce
these losses by providing a means to delineate hazard areas, to estimate hazard
intensity for input into risk studies and to provide parameters for the design of
protective measures.
Application of computational debris-flow models to real case studies
necessitates many assumptions about the details of the event and the pre-event
topography. Debris flow routing models are necessary for engineering practice
and some models have been in regular use for a number of years, e.g., for
producing hazard maps or for evaluating the effectiveness of mitigation
Keywords
debris flow, numerical modelling, FLO-2D, RAMMS, Dolomites.
Related Book
Other papers in this volume
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