Chapter 4 Landslide and slope stability hazard in the UK

Lee, Edward Mark; Giles, David

doi:10.1144/egsp29.4

Cited by 4 publications

(3 citation statements)

References 146 publications

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“…Ballincollig hill in Ireland, previous cutting for domestic fuel had destabilised the peat, to the point where road construction then resulted in a bog slide (Long et al, 2011). While there is little research into the influence of roads or vehicle vibrations in causing peat slope failure, in Scotland, windfarm track construction applications must consider whether peat stability will be affected by their construction (Lee and Giles, 2020).…”

Section: The Influence Of Roads and Tracks On Peatland Hydrology Physical Properties And Biogeochemistrymentioning

confidence: 99%

A review of the effects of vehicular access roads on peatland ecohydrological processes

Williams-Mounsey

Grayson

Crowle

et al. 2021

Earth-Science Reviews

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Section: The Influence Of Roads and Tracks On Peatland Hydrology Physical Properties And Biogeochemistrymentioning

confidence: 99%

A review of the effects of vehicular access roads on peatland ecohydrological processes

Williams-Mounsey

Grayson

Crowle

et al. 2021

Earth-Science Reviews

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“…1.5 Section B: slope stability hazards 1.5.1 Chapter 4: landslide and slope stability hazard in the UK (Lee & Giles 2020) For many people above a certain age the word 'landslide' will evoke memories of the Aberfan disaster of 21 October 1966.…”

Section: Chapter 3: Tsunami Hazard With Reference To the Uk (Giles 2020b)mentioning

confidence: 99%

Chapter 1 Introduction to Geological Hazards in the UK: Their Occurrence, Monitoring and Mitigation

Giles¹

2020

EGSP

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The UK is perhaps unique globally in that it presents the full spectrum of geological time, stratigraphy and associated lithologies within its boundaries. With this wide range of geological assemblages comes a wide range of geological hazards, whether geophysical (earthquakes, effects of volcanic eruptions, tsunami, landslides), geotechnical (collapsible, compressible, liquefiable, shearing, swelling and shrinking soils), geochemical (dissolution, radon and methane gas hazards) or related to georesources (coal, chalk and other mineral extraction). An awareness of these hazards and the risks that they pose is a key requirement of the engineering geologist. This volume sets out to define and explain these geohazards, to detail their detection, monitoring and management, and to provide a basis for further research and understanding, all within a UK context.

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“…Physical damage to vulnerable infrastructure (Winter et al 2014;Argyroudis 2019) can be associated with significant repair times thus magnifying the economic impacts. Lee and Giles (2020) note that the occurrence of landslides in the UK is typically linked with rainfall and this effect is amplified when shallow landslides such as debris flows (Winter 2020) are considered. However, direct triggers are often not possible to determine as rainfall events of similar magnitudes and intensities produce different outcomes (Winter et al 2010(Winter et al , 2019aBainbridge et al 2022).…”

Section: Introductionmentioning

confidence: 99%

Real-time shallow landslide hazard assessment on a regional scale

Qi¹,

Mendes²,

bainbridge³

et al. 2023

Preprint

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Shallow landslides are a major natural hazard in the UK, causing more than £10M of economic losses annually and posing clear threats to life. Rainfall is an essential control on shallow landslide risk, but network operators currently use generic ‘on-off’ warnings based on localised rainfall intensity and duration, giving no strategic information about where the hazard is highest or evolving the quickest for any particular rainfall event. A new procedure has been developed to automatically evaluate the stability of slopes across regional scales in response to spatially and temporally variable rainfall events, quantified by rainfall radar data updated every 5 minutes. A physically based programme, TRIGRS, was used to assess the factor of safety (FS) of slopes in response to spatially variable rainfall radar data. The dynamic FS maps produced provide early warning and informed decision-making for the management of regional to national-scale infrastructures. Sensitivity analyses were performed to investigate the effect of the soil thickness, shear strength parameters, hydraulic parameters, and antecedent rainfall on the FS during a known landslide-causing rainfall event in Glen Croe, western Scotland. The results specifically highlight the slope where the failure occurred as a high-hazard area 1.0 hour before the event. The dynamic FS maps were particularly sensitive to soil thickness, the saturated hydraulic diffusivity and Gardner’s unsaturated conductivity, suggesting that more effort should be put into improving network-scale datasets of these parameters. Ultimately, the ability developed here to account for near-real-time spatial variabilities in rainfall data and slope responses measured through the relative change in FS values provides a potentially transformative new tool for network operators to proactively mitigate the impacts of specific storms as they develop.

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Chapter 4 Landslide and slope stability hazard in the UK

Cited by 4 publications

References 146 publications

A review of the effects of vehicular access roads on peatland ecohydrological processes

A review of the effects of vehicular access roads on peatland ecohydrological processes

Chapter 1 Introduction to Geological Hazards in the UK: Their Occurrence, Monitoring and Mitigation

Real-time shallow landslide hazard assessment on a regional scale

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