Articles | Volume 27, issue 8
Research article
20 Apr 2023
Research article |  | 20 Apr 2023

Elucidating the role of soil hydraulic properties on aspect-dependent landslide initiation

Yanglin Guo and Chao Ma

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Cited articles

Bierman, P. R. and Montgomery, D. R.: Key Concepts in Geomorphology, W. H. Freeman and Company Publishers, ISBN 13:9781429238601, 2014. 
Birkeland, P. W.: Soils and Geomorphology, New York: Oxford University Press, ISBN 13:9780195033984, 1984. 
Bogaard, T. A. and Greco, R.: Landslide hydrology: from hydrology to pore pressure, Wiley Interdisciplin. Rev. Water, 3, 439–459,, 2016. 
Coe, J. A., Kean, J. W., Godt, J. W., Baum, R. L., Jones, E. S., Gochis, D. J., and Anderson, G. S.: New insights into debris-flow hazards from an extraordinary event in the Colorado front range, GSA Today, 24, 4–10,, 2014. 
Dai, Z. S., Ma, C., Miao, L., Li, M. Y., Wu, J. L., and Wang, X. H.: Initiation conditions of shallow landslides in two man-made forests and back estimation of the possible rainfall threshold, Landslides, 19, 1031–1044,, 2022. 
Short summary
In a localized area with the same vegetation, an overwhelming propensity of shallow landslides on the south-facing slope over the north-facing slope could not be attributed to plant roots. We provide new evidence from the pore water pressure of failing mass, unsaturated hydraulic conductivity, water storage, and drainage and the hillslope stability fluctuation to prove that the infinite slope model may be suitable for elucidating the aspect-dependent landslide distribution in the study area.