Physically-based dynamic modelling of the effect of land use changes on shallow landslide initiation in the Western Ghats of Kerala, India

S.L. Kuriakose

Research output: ThesisPhD Thesis - Research UT, graduation UT

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Abstract

The highland region forming the western slopes of the Western Ghats of
Kerala state, India, is increasingly affected by shallow landslides and consequent debris
flows. Large volumes and high intensity rainfall, and the consequent perched water
table development resulting in high pore water pressure conditions are considered as
the principal trigger of these landslides. Many researchers suspected that the spatiotemporal
probabilities of shallow landslide initiation in this area are dependent on the
land use which in turn determines the mechanical and hydrological effects of
vegetation on slope stability. The application of physically-based spatially distributed
modelling was the most suitable approach to verify this hypothesis as it has the
capability to not only estimate the spatio-temporal probabilities of shallow landslide
initiation, but also quantitatively assess the influence of changes in environmental
conditions on slope stability, for example those of land use changes.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • University of Twente
Supervisors/Advisors
  • Jetten, Victor, Supervisor
  • de Jong, S.M., Supervisor, External person
  • van Westen, Cornelis, Co-Supervisor
Award date13 Dec 2010
Place of PublicationEnschede
Publisher
Print ISBNs978-90-6164-298-5
DOIs
Publication statusPublished - 13 Dec 2010

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