Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 11, issue 2
Articles | Volume 11, issue 2
https://doi.org/10.5194/esurf-11-325-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-11-325-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 2
Research article
 | 
28 Apr 2023
Research article |  | 28 Apr 2023

A control volume finite-element model for predicting the morphology of cohesive-frictional debris flow deposits

Tzu-Yin Kasha Chen, Ying-Chen Wu, Chi-Yao Hung, Hervé Capart, and Vaughan R. Voller

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Short summary
Predicting the extent and thickness of debris flow deposits is important for assessing and mitigating hazards. We propose a simplified mass balance model for predicting the morphology of terminated debris flows depositing over complex topography. A key element in this model is that the termination of flow of the deposit is determined by prescribed values of yield stress and friction angle. The model results are consistent with available analytical solutions and field and laboratory observations.
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