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Ripley Landslide

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Journal Article
Published: 20 August 2020
Canadian Journal of Earth Sciences (2020) 57 (12): 1371–1391.
... valley-bottom sediments were likely relatively dry and remained marginally stable until a warm/dry period in the 1860s when irrigation, necessary for agriculture on benchlands above the river, began ( Stanton 1898 ; Clague and Evans 2003 ). Since 2013, Ripley Landslide has been used as a research...
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Hydrogeological units of <b>Ripley</b> <b>Landslide</b>. ( a ) Unit 1a – andesite: fine-g...
Published: 20 August 2020
Fig. 2. Hydrogeological units of Ripley Landslide. ( a ) Unit 1a – andesite: fine-grained crystalline igneous rock with dominant fractures 040°/076°/E (278 m a.s.l.), 074°/50°/NNW, 136°/78°/W, 178°/28°/E. ( b ) Unit 1b – rhyolite and pyroclastic volcanic rock: strike/dip/dip-direction 104°/18°/E
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Hydrogeological characteristics of stratigraphic units at <b>Ripley</b> <b>Landslide</b>....
Published: 20 August 2020
Table 1. Hydrogeological characteristics of stratigraphic units at Ripley Landslide.
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Surficial hydrogeological units and landforms of <b>Ripley</b> <b>Landslide</b> and adjac...
Published: 20 August 2020
Fig. 3. Surficial hydrogeological units and landforms of Ripley Landslide and adjacent terrain, showing location of boreholes and field observations; lock-block retaining wall is indicated by the grey line. Borehole geophysical logging and data processing by Frontier Geosciences Inc. ArcGIS
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Electrical resistivity tomographic depth slices of <b>Ripley</b> <b>Landslide</b>. Locati...
Published: 20 August 2020
Fig. 6. Electrical resistivity tomographic depth slices of Ripley Landslide. Location of BH13-01 shown; graphic log captures changes in hydrogeological units at depth near the centre of the slide body. Solid blue line indicates east bank of Thompson River (TR). Solid green line indicates
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<b>Ripley</b> <b>Landslide</b> ground conditions from December 2017 to March 2018, with t...
Published: 20 August 2020
Fig. 8. Ripley Landslide ground conditions from December 2017 to March 2018, with the relationship between resistivity and suction for the head scarp. The average daily resistivity is the average resistivity of cells of the Proactive Infrastructure Monitoring and Evaluation (PRIME) model proximal
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Location of the <b>Ripley</b> <b>Landslide</b>, Ashcroft and rail transportation corridor...
Published: 10 April 2019
Figure 1.  Location of the Ripley Landslide, Ashcroft and rail transportation corridors in southwestern British Columbia, showing landslides of the Thompson River valley and an overview of the test site highlighting the location of GPS monitoring stations (GPS1-4), InSAR corner reflectors (GSC1
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Surficial hydrogeological units and landforms of the <b>Ripley</b> <b>Landslide</b> and a...
Published: 10 April 2019
Figure 2.  Surficial hydrogeological units and landforms of the Ripley Landslide and adjacent terrain, also showing: location of GPS monitoring stations (GPS1-4); InSAR corner reflectors (GSC1-9); boreholes (BH05-23 to BH05-27, BH13-01, and BH15-01 to BH15-03); and lock-block retaining wall
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Acronyms for geophysical methods employed at <b>Ripley</b> <b>Landslides</b>.
Published: 10 April 2019
Table 1.  Acronyms for geophysical methods employed at Ripley Landslides.
Journal Article
Published: 10 April 2019
Journal of Environmental and Engineering Geophysics (2019) 24 (1): 87–110.
...Figure 1.  Location of the Ripley Landslide, Ashcroft and rail transportation corridors in southwestern British Columbia, showing landslides of the Thompson River valley and an overview of the test site highlighting the location of GPS monitoring stations (GPS1-4), InSAR corner reflectors (GSC1...
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Journal Article
Journal: Geosphere
Published: 01 April 2017
Geosphere (2017) 13 (2): 369–390.
... the deposits to infer the morphodynamics of the landslide from initiation to emplacement. Structure from motion (SfM) photogrammetry, based on oblique photos taken with a standard SLR camera during a low helicopter traverse, was used to create high-resolution orthophotos and base maps. Interpretation...
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Journal Article
Published: 01 April 2002
Environmental and Engineering Geoscience (2002) 8 (4): 261–277.
.... The designated transportation corridors must be reopened quickly following an earthquake, so MoDOT initiated a study to evaluate potential seismically induced damage to critical roadways and bridges. This study included evaluation of earthquake-induced landslide potential at two bridge sites, assessment...
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Journal Article
Published: 01 February 2006
Quarterly Journal of Engineering Geology and Hydrogeology (2006) 39 (1): 5–50.
... of an entire moorland plateaux and has a contributory role in groundwater flow and the drainage of the landscape, or the initiation (and reactivation) of landslides. Not all types of faults reactivate when subject to mining subsidence stresses. Furthermore, movement along faults does not continue indefinitely...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 1962
AAPG Bulletin (1962) 46 (8): 1416–1438.
... ° to 3 1 2 °. Gullies occur off the main channel and these are bordered downslope by hills, both features apparently the result of landsliding on the delta front. Near the river mouth the front has advanced an average of 840 feet in 30 years at moderate depth, but appreciably less than this in shallow...
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Summary of modelled terrestrial (T) and waterborne (W) electrical resistivi...
Published: 20 August 2020
Table 2. Summary of modelled terrestrial (T) and waterborne (W) electrical resistivity tomography (ERT), frequency domain electromagnetic conductivity measurements (FEM), ground-penetrating radar (GPR), and seismic properties of surficial units and bedrock at Ripley Landslide. Note: GPR
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Electrical resistivity tomographic images generated from the Proactive Infr...
Published: 20 August 2020
Fig. 7. Electrical resistivity tomographic images generated from the Proactive Infrastructure Monitoring and Evaluation data collected on the Ripley Landslide. The baseline image (5 December 2017) highlights the lithological units present on site and shows key geomorphological features including
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The study area. ( a ) Rail transportation corridors in southwestern British...
Published: 20 August 2020
-1 Canada mosaic (© Canada Space Agency, https://www.nrcan.gc.ca , accessed in 2016). ( b ) Historical landslides of the Thompson River valley, with location of Ashcroft, the railway transportation corridor, and Ripley Landslide test site; base map combines Canadian digital elevation data (CDED
Journal Article
Journal: AAPG Bulletin
Published: 01 August 1962
AAPG Bulletin (1962) 46 (8): 1438–1443.
... on the sloping, submerged front of such deltas. The gullies which descend from the shore of the delta to a maximum depth of 90 fathoms and the hummocky topography on the slope between depths of 120 and 140 fathoms are convincingly interpreted by the authors as submarine landslide scars. The hummocky area...
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Journal Article
Published: 14 February 2018
Environmental and Engineering Geoscience (2018) 24 (1): 1–22.
... Geologists 2018 Dams Canals Hydraulic Sluicing Hydraulic Fill Landslides Bearing Failure Embankments The original American scheme in 1903 for construction of a dam along the Chagres River was at a natural narrows, 17 mi (27 km) upstream of the river's mouth on the Atlantic coast, near...
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Journal Article
Published: 01 April 2019
Quarterly Journal of Engineering Geology and Hydrogeology (2019) 52 (4): 401–413.
... shows a drone image of a landslide in SE Spain that lies on the outside of a meander bend. This image provides data that allow an interpretation of the nature and cause of the landslide to be undertaken. It is not just the passive satellite receivers that have changed; a range of active scanning...
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