Time-Lapse Monitoring of Moisture Induced Landslide Using Surface Waves at Hollin Hill Landslide Obsevatory

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Title: Time-Lapse Monitoring of Moisture Induced Landslide Using Surface Waves at Hollin Hill Landslide Obsevatory
Authors: Wacquier, LorisWhiteley, J.Gunn, D.Trafford, AndrewDonohue, Shaneet al.
Permanent link: http://hdl.handle.net/10197/12753
Date: 1-Sep-2021
Online since: 2022-01-21T16:31:55Z
Abstract: For about fifteen years, the Hollin Hill site has been used as a landslide research site to test different geophysical characterization and monitoring methods, to assess temporal and spatial stability, and the following methods are regularly evaluated on site: ERT resistivity mapping (Chambers et al. 2010, Uhlemann et al. 2017), self-potential methods SP (Chambers et al. 2008), more recently seismic refraction tomography SRT (Whiteley et al. 2020, Uhlemann et al. 2016). The dynamics and ongoing subsurface processes of the Hollin Hill landslide are therefore relatively well described in literature (Whiteley at al. 2019a). Seismic methods based on characterization of P-wave (Vp) and S-waves (Vs) propagation and in particular on Vp /Vs ratio are commonly used in a landslide context (Grandjean et al. 2009, Mainsant et al. 2012). Since mid-2000, methodological improvements have led to increased routine use of dispersion inversion of Vs in hydrological applications (Pasquet et al. 2015; Dangeard et al. 2016) and in geotechnical applications (Donohue et al. 2011, Bergamo et al. 2016). This abstract therefore discusses current geophysical research to monitor seasonal variations using surface waves content (Rayleigh waves) from SRT acquisitions, in the context of moisture induced landslide monitoring, at the Hollin Hill Landslide Observatory.
Funding Details: Science Foundation Ireland
University College Dublin
Type of material: Conference Publication
Publisher: European Association of Geoscientists & Engineers
Copyright (published version): 2021 EAGE Publications
Keywords: Landslide monitoringRayleigh wavesSeasonal variationsMoisture-induced landslides
DOI: 10.3997/2214-4609.202120163
Other versions: https://eage.eventsair.com/nsg2021/27th-meeting
Language: en
Status of Item: Peer reviewed
Is part of: NSG2021 27th European Meeting of Environmental and Engineering Geophysics
Conference Details: Near Surface Geoscience Conference 2021 (NSG'21): The 27th European Meeting of Environmental and Engineering Geophysics, Bordeaux, France (and Online), 29 August - 2 September 2021
This item is made available under a Creative Commons License: https://creativecommons.org/licenses/by/3.0/ie/
Appears in Collections:Civil Engineering Research Collection
ICRAG Research Collection

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