Quantification of the influence of preferential flow on slope stability using a numerical modelling approach

Shao, W.; Bogaard, T. A.; Bakker, M.; Greco, R.

doi:10.5194/hess-19-2197-2015

Articles | Volume 19, issue 5

https://doi.org/10.5194/hess-19-2197-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/hess-19-2197-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 19, issue 5

Research article

|

07 May 2015

Research article |

| 07 May 2015

Quantification of the influence of preferential flow on slope stability using a numerical modelling approach

W. Shao, T. A. Bogaard, M. Bakker, and R. Greco

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Dec 2014	41	55	3	99
Jan 2015	21	15	4	40
Feb 2015	17	12	3	32
Mar 2015	11	7	0	18
Apr 2015	14	9	0	23
May 2015	84	94	6	184
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Jul 2015	41	26	4	71
Aug 2015	22	19	2	43
Sep 2015	20	16	8	44
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Dec 2015	15	24	2	41
Jan 2016	38	20	2	60
Feb 2016	18	9	2	29
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Oct 2016	13	6	2	21
Nov 2016	10	2	1	13
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Feb 2017	15	9	1	25
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Feb 2024	38	16	1	55
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Jun 2024	35	17	1	53
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Aug 2024	33	10	2	45
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Oct 2024	25	18	2	45
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Cumulative views and downloads (calculated since 26 Nov 2014)

Month	HTML	PDF	XML	Total
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Dec 2014	41	55	3	99
Jan 2015	21	15	4	40
Feb 2015	17	12	3	32
Mar 2015	11	7	0	18
Apr 2015	14	9	0	23
May 2015	84	94	6	184
Jun 2015	46	28	0	74
Jul 2015	41	26	4	71
Aug 2015	22	19	2	43
Sep 2015	20	16	8	44
Oct 2015	20	20	1	41
Nov 2015	27	20	4	51
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Feb 2016	18	9	2	29
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Jan 2024	20	16	2	38
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Sep 2025	105	15	3	123
Oct 2025	68	38	2	108
Nov 2025	69	32	2	103
Dec 2025	7	2	0	9

Latest update: 04 Dec 2025

Short summary

The effect of preferential flow on the stability of landslides is studied through numerical simulation of two types of rainfall events on a hypothetical hillslope. A model is developed that consists of two parts. The first part is a model for combined saturated/unsaturated subsurface flow and is used to compute the spatial and temporal water pressure response to rainfall. Preferential flow is simulated with a dual-permeability continuum model consisting of a matrix/preferential flow domain.