Lahars and debris flows: Characteristics and impacts

JC Thouret, S Antoine, C Magill, C Ollier - Earth-Science Reviews, 2020 - Elsevier
This review describes the mechanisms of lahars and debris flows, and their impacts on
buildings, infrastructure and other valuables. Lahars are a type of debris flow restricted to …

An overview of debris-flow mathematical modelling

MG Trujillo-Vela, AM Ramos-Cañón… - Earth-Science …, 2022 - Elsevier
Debris flows are among the most catastrophic natural phenomena, attracting the interest of
researchers, engineers and government agencies. The complexity of the physical process …

A multi‐phase mass flow model

SP Pudasaini, M Mergili - Journal of Geophysical Research …, 2019 - Wiley Online Library
Geomorphic mass flows are often complex in terms of material composition and its evolution
in space and time. The simulation of those hazardous phenomena would strongly benefit …

Exploring debris flow deposit morphology in river valleys: Insights from physical modeling experiments

CJ Li, YX Hu, G Fan, QY Zhu, DR Liu, JW Zhou - Engineering Geology, 2024 - Elsevier
A comprehensive understanding of the deposit morphodynamics of debris flows in river
valleys is crucial for disaster prevention and mitigation in mountainous areas. However …

Effects of coarse grain size distribution and fine particle content on pore fluid pressure and shear behavior in experimental debris flows

R Kaitna, MC Palucis, B Yohannes… - Journal of …, 2016 - Wiley Online Library
Debris flows are typically a saturated mixture of poorly sorted particles and interstitial fluid,
whose density and flow properties depend strongly on the presence of suspended fine …

Coarse‐grained debris flow dynamics on erodible beds

S Lanzoni, C Gregoretti… - Journal of Geophysical …, 2017 - Wiley Online Library
A systematic set of flume experiments is used to investigate the features of velocity profiles
within the body of coarse‐grained debris flows and the dependence of the transport …

[HTML][HTML] Computational experiments on the 1962 and 1970 landslide events at Huascarán (Peru) with r. avaflow: Lessons learned for predictive mass flow simulations

M Mergili, B Frank, JT Fischer, C Huggel, SP Pudasaini - Geomorphology, 2018 - Elsevier
Mass flow simulations are considered important tools for hazard analysis. For the simulation
of single process mass flows such as debris flows, robust tools and reasonable parameter …

Velocity profiles and basal stresses in natural debris flows

G Nagl, J Hübl, R Kaitna - Earth Surface Processes and …, 2020 - Wiley Online Library
The internal deformation within debris flows holds essential information on dynamics and
flow resistance of such mass‐wasting processes. Systematic measurements of velocity …

A mechanical model for phase separation in debris flow

SP Pudasaini, JT Fischer - International Journal of Multiphase Flow, 2020 - Elsevier
Understanding the physics of phase separation between solid and fluid phases as a mixture
mass moves down-slope is a long-standing challenge. Here, we propose an extension of a …

A physical model of the high‐frequency seismic signal generated by debris flows

M Farin, VC Tsai, MP Lamb… - Earth Surface Processes …, 2019 - Wiley Online Library
We propose a physical model for the high‐frequency (> 1 Hz) spectral distribution of seismic
power generated by debris flows. The modeled debris flow is assumed to have four regions …