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Geomechanical Basis of Landslide Classification and Modelling of Triggering Read chapter Read first chapter

2013 | OriginalPaper | Chapter

Debris Flow Analysis: From Lithological Classification of the Basin to Deposition

Authors : Chiara Deangeli, Erika Paltrinieri, Davide Tiranti

Published in: Landslide Science and Practice

Publisher: Springer Berlin Heidelberg

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Abstract

The aim of this study is the development of an integrated approach for definition of scenarios of debris flow deposition. The approach has been applied to basins located in the North-western Alps. Firstly the basins are classified on the basis of the bedrock lithology. Hence the features of debris flows are related to different bedrock lithologies: basin area/fan area ratios, alluvial fan architectures, depositional styles and triggering rainfall characteristics. This method permits to capture the essential features of flow phenomena and to address the choice of proper constitutive laws for the numerical modelling of debris flow propagation and deposition. The numerical model calibration is based on the observed styles of deposition of debris flows and architecture of the alluvial fans (shape, slope, grain-size distribution, etc.). The simulations do not match the deposit of a given past event, but the results are in terms of scenarios and supply a more realistic tool for risk mitigation.

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previous chapter Physical Modelling of the Propagation of Rock Avalanches: Recent Developments and Results
next chapter Stability Conditions and Evaluation of the Runout of a Potential Landslide at the Northern Flank of La Fossa Active Volcano, Italy
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Metadata
Title
Debris Flow Analysis: From Lithological Classification of the Basin to Deposition
Authors
Chiara Deangeli
Erika Paltrinieri
Davide Tiranti
Copyright Year
2013
Publisher
Springer Berlin Heidelberg
Book
Landslide Science and Practice

Print ISBN: 978-3-642-31309-7

Electronic ISBN: 978-3-642-31310-3

Copyright Year: 2013

DOI
https://doi.org/10.1007/978-3-642-31310-3_40