Search Results - "Chambers, Jonathan E"

Previously hidden landslide processes revealed using distributed acoustic sensing with nanostrain-rate sensitivity by Ouellet, Susanne M., Dettmer, Jan, Lato, Matthew J., Cole, Steve, Hutchinson, D. Jean, Karrenbach, Martin, Dashwood, Ben, Chambers, Jonathan E., Crickmore, Roger

“…Landslides sometimes creep for decades before undergoing runaway acceleration and catastrophic failure. Observing and monitoring the evolution of strain in…”
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Automated co‐registration and calibration in SfM photogrammetry for landslide change detection by Peppa, Maria V., Mills, Jon P., Moore, Phil, Miller, Pauline E., Chambers, Jonathan E.

“…Landslides represent hazardous phenomena, often with significant implications. Monitoring landslides with time‐series surface observations can indicate surface…”
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Jointly reconstructing ground motion and resistivity for ERT-based slope stability monitoring by Boyle, Alistair, Wilkinson, Paul B, Chambers, Jonathan E, Meldrum, Philip I, Uhlemann, Sebastian, Adler, Andy

“…Summary Electrical resistivity tomography (ERT) is increasingly being used to investigate unstable slopes and monitor the hydrogeological processes within. But…”
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Brief communication: Landslide motion from cross correlation of UAV-derived morphological attributes by Peppa, Maria V, Mills, Jon P, Moore, Phil, Miller, Pauline E, Chambers, Jonathan E

“…Unmanned aerial vehicles (UAVs) can provide observations of high spatio-temporal resolution to enable operational landslide monitoring. In this research, the…”
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Optimized survey design for electrical resistivity tomography: combined optimization of measurement configuration and electrode placement by Uhlemann, Sebastian, Wilkinson, Paul B, Maurer, Hansruedi, Wagner, Florian M, Johnson, Timothy C, Chambers, Jonathan E

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Geoelectrical monitoring of simulated subsurface leakage to support high-hazard nuclear decommissioning at the Sellafield Site, UK by Kuras, Oliver, Wilkinson, Paul B., Meldrum, Philip I., Oxby, Lucy S., Uhlemann, Sebastian, Chambers, Jonathan E., Binley, Andrew, Graham, James, Smith, Nicholas T., Atherton, Nick

“…A full-scale field experiment applying 4D (3D time-lapse) cross-borehole Electrical Resistivity Tomography (ERT) to the monitoring of simulated subsurface…”
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Corrigendum to “Four-dimensional electrical resistivity imaging for monitoring pumping-induced saltwater intrusion in a coastal aquifer” [Sci. Total Environ. Volume 867 (2023) 161442] by McDonnell, Mark C., Flynn, Raymond, Águila, Jesús Fernández, Hamill, Gerard A., Donohue, Shane, Benner, Eric M., Thomson, Christopher, Etsias, Georgios, Rowan, Thomas S.L., Wilkinson, Paul B., Meldrum, Philip I., Chambers, Jonathan E.

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Practical aspects of applied optimized survey design for electrical resistivity tomography by Wilkinson, Paul B., Loke, Meng Heng, Meldrum, Philip I., Chambers, Jonathan E., Kuras, Oliver, Gunn, David A., Ogilvy, Richard D.

“…SUMMARY The use of optimized resistivity tomography surveys to acquire field data imposes extra constraints on the design strategy beyond maximizing the…”
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Brief communication: The role of geophysical imaging in local landslide early warning systems by Whiteley, Jim S, Watlet, Arnaud, Kendall, J. Michael, Chambers, Jonathan E

“…We summarise the contribution of geophysical imaging to local landslide early warning systems (LoLEWS), highlighting how the design and monitoring components…”
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Imaging groundwater infiltration dynamics in the karst vadose zone with long-term ERT monitoring by Watlet, Arnaud, Kaufmann, Olivier, Triantafyllou, Antoine, Poulain, Amael, Chambers, Jonathan E, Meldrum, Philip I, Wilkinson, Paul B, Hallet, Vincent, Quinif, Yves, Van Ruymbeke, Michel, Van Camp, Michel

“…Water infiltration and recharge processes in karst systems are complex and difficult to measure with conventional hydrological methods. In particular,…”
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Characterization of a Deglaciated Sediment Chronosequence in the High Arctic Using Near‐Surface Geoelectrical Monitoring Methods by Cimpoiasu, Mihai O., Kuras, Oliver, Harrison, Harry, Wilkinson, Paul B., Meldrum, Philip, Chambers, Jonathan E., Liljestrand, Dane, Oroza, Carlos, Schmidt, Steven K., Sommers, Pacifica, Irons, Trevor P., Bradley, James A.

“…ABSTRACT Accelerated climate warming is causing significant reductions in the volume of Arctic glaciers, such that previously ice‐capped bare ground is…”
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Predicting the movements of permanently installed electrodes on an active landslide using time-lapse geoelectrical resistivity data only by Wilkinson, Paul B., Chambers, Jonathan E., Meldrum, Philip I., Gunn, David A., Ogilvy, Richard D., Kuras, Oliver

“…If electrodes move during geoelectrical resistivity monitoring and their new positions are not incorporated in the inversion, then the resulting tomographic…”
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Time domain reflectometry (TDR) potential for soil condition monitoring of geotechnical assets by Curioni, Giulio, Chapman, David N, Royal, Alexander C.D, Metje, Nicole, Dashwood, Ben, Gunn, David A, Inauen, Cornelia M, Chambers, Jonathan E, Meldrum, Philip I, Wilkinson, Paul B, Swift, Russell T, Reeves, Helen J

“…The performance of geotechnical assets is influenced by various external factors including time and changing loading and environmental conditions. These…”
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Extreme sensitivity of crosshole electrical resistivity tomography measurements to geometric errors by Wilkinson, Paul B., Chambers, Jonathan E., Lelliott, Mike, Wealthall, Gary P., Ogilvy, Richard D.

“…The effects of geometric errors on crosshole resistivity data are investigated using analytical methods. Geometric errors are systematic and can occur due to…”
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A combined geomorphological and geophysical approach to characterising relict landslide hazard on the Jurassic Escarpments of Great Britain by Boon, David P., Chambers, Jonathan E., Hobbs, Peter R.N., Kirkham, Mathew, Merritt, Andrew J., Dashwood, Claire, Pennington, Catherine, Wilby, Philip R.

“…The Jurassic Escarpment in the North York Moors in Northern Britain has a high density of deep-seated relict landslides but their regional hazard is poorly…”
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Mineshaft imaging using surface and crosshole 3D electrical resistivity tomography: A case history from the East Pennine Coalfield, UK by Chambers, Jonathan E., Wilkinson, Paul B., Weller, Alan L., Meldrum, Philip I., Ogilvy, Richard D., Caunt, Simon

“…Hidden mineshafts located in urban areas are a significant problem across much of the industrialized world. Electrical resistivity tomography (ERT) is a…”
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Geophysical Monitoring of Moisture‐Induced Landslides: A Review by Whiteley, J. S., Chambers, J. E., Uhlemann, S., Wilkinson, P. B., Kendall, J. M.

“…Geophysical monitoring of landslides can provide insights into spatial and temporal variations of subsurface properties associated with slope failure. Recent…”
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Improved characterisation and modelling of measurement errors in electrical resistivity tomography (ERT) surveys by Tso, Chak-Hau Michael, Kuras, Oliver, Wilkinson, Paul B., Uhlemann, Sebastian, Chambers, Jonathan E., Meldrum, Philip I., Graham, James, Sherlock, Emma F., Binley, Andrew

“…Measurement errors can play a pivotal role in geophysical inversion. Most inverse models require users to prescribe or assume a statistical model of data…”
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Interpolation of landslide movements to improve the accuracy of 4D geoelectrical monitoring by Uhlemann, Sebastian, Wilkinson, Paul B., Chambers, Jonathan E., Maurer, Hansruedi, Merritt, Andrew J., Gunn, David A., Meldrum, Philip I.

“…Measurement sensors permanently installed on landslides will inevitably change their position over time due to mass movements. To interpret and correct the…”
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Landslide monitoring using seismic refraction tomography – The importance of incorporating topographic variations by Whiteley, J.S., Chambers, J.E., Uhlemann, S., Boyd, J., Cimpoiasu, M.O., Holmes, J.L., Inauen, C.M., Watlet, A., Hawley-Sibbett, L.R., Sujitapan, C., Swift, R.T., Kendall, J.M.

“…Seismic refraction tomography provides images of the elastic properties of subsurface materials in landslide settings. Seismic velocities are sensitive to…”
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