Binnenkortvr 6 nov 2026,
Assessing Hillslope Strength Evolution and Cascading Landslide Hazards under Seismic and Hydrological Forcing
Heuvelhellingen na aardbevingen of zware regenval, en hoe veranderende bodemsterkte het risico op latere aardverschuivingen beïnvloedt.
De promotie
Uit de agenda van University of Twente
- Wanneer
- vr 6 nov 2026, 90 min
- Waar
- University of Twente, NederlandGeo-Information Science and Earth Observation (ITC), University of Twente
- Promotor
- C.J. van Westenfaculty of Geo-Information Science and Earth Observation (ITC), University of Twente
- Copromotor
- H. Tanyașfaculty of Geo-Information Science and Earth Observation (ITC), University of Twente
- Taal
- Engels
- Stream
- op speler van de universiteit
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Over het proefschrift
The thesis investigates how earthquakes and rainfall alter hillslope strength over time and what this means for landslide hazard assessment.
For the 2023 Türkiye earthquakes, satellite deformation data and numerical modelling estimated strength before and after strong shaking. Some slopes weakened, others strengthened or changed little, linked to shaking intensity, topography, geology and deformation. This post-earthquake strength was used in scenarios to test whether one earthquake's legacy can affect landslide susceptibility later.
Rainfall-driven slow-moving landslides were also examined. Weakening can evolve and may be partly reversed as hydrological conditions change. The thesis concludes that strength is not always fixed: earthquakes and rainfall can leave mechanical legacies after the triggering event, and accounting for them gives a more realistic basis for landslide hazard assessment.
Aankondiging van de universiteit
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