Journal article 238 views
Observing waterflow within an embankment dam using self-potential monitoring
Dams and Reservoirs, Volume: 33, Issue: 1, Pages: 19 - 26
Swansea University Author: Bernd Kulessa
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DOI (Published version): 10.1680/jdare.22.00085
Abstract
Geophysics has become a fundamental tool for the characterisation of dam structures and the identification of subsurface defects. However, evolving a geophysical technique to a monitoring solution for observing subsurface water flow is considered an important step to help water companies and governi...
Published in: | Dams and Reservoirs |
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ISSN: | 1368-1494 1756-8404 |
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Thomas Telford Ltd.
2023
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URI: | https://cronfa.swan.ac.uk/Record/cronfa62368 |
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2023-02-16T15:59:43.3191941 v2 62368 2023-01-18 Observing waterflow within an embankment dam using self-potential monitoring 52acda616e9f6073cbebf497def874c9 0000-0002-4830-4949 Bernd Kulessa Bernd Kulessa true false 2023-01-18 SGE Geophysics has become a fundamental tool for the characterisation of dam structures and the identification of subsurface defects. However, evolving a geophysical technique to a monitoring solution for observing subsurface water flow is considered an important step to help water companies and governing bodies achieve their aims related to climate resilience, water supply targets and for lengthening the design life of critical infrastructure. The paper shows how monitoring of self-potential voltages using the SPiVolt system developed by TerraDat has successfully mapped water flow through the downstream shoulder of a Victorian-era embankment dam, and how these water flow paths responded to changes in the reservoir level and weather events such as heatwaves and rainfall. The study has also shown the importance of using a multi-technique geophysical survey to provide a wider context and deeper understanding of dam structures. The methodology described in this paper has the potential to not only provide a low-cost solution to monitoring embankment dams but can also be applied to numerous scenarios including landslide investigations, peatlands and flood defences. Journal Article Dams and Reservoirs 33 1 19 26 Thomas Telford Ltd. 1368-1494 1756-8404 dams, barrages & reservoirs field testing & monitoring site investigation 1 3 2023 2023-03-01 10.1680/jdare.22.00085 COLLEGE NANME Geography COLLEGE CODE SGE Swansea University 2023-02-16T15:59:43.3191941 2023-01-18T18:25:07.1519323 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Geography Jo Hamlyn 1 Richard John Cottrell 2 Christian Lloyd Bird 3 Bernd Kulessa 0000-0002-4830-4949 4 Under embargo Under embargo 2023-01-19T08:41:02.5393860 Output 1324154 application/pdf Accepted Manuscript true 2023-12-01T00:00:00.0000000 true eng |
title |
Observing waterflow within an embankment dam using self-potential monitoring |
spellingShingle |
Observing waterflow within an embankment dam using self-potential monitoring Bernd Kulessa |
title_short |
Observing waterflow within an embankment dam using self-potential monitoring |
title_full |
Observing waterflow within an embankment dam using self-potential monitoring |
title_fullStr |
Observing waterflow within an embankment dam using self-potential monitoring |
title_full_unstemmed |
Observing waterflow within an embankment dam using self-potential monitoring |
title_sort |
Observing waterflow within an embankment dam using self-potential monitoring |
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52acda616e9f6073cbebf497def874c9 |
author_id_fullname_str_mv |
52acda616e9f6073cbebf497def874c9_***_Bernd Kulessa |
author |
Bernd Kulessa |
author2 |
Jo Hamlyn Richard John Cottrell Christian Lloyd Bird Bernd Kulessa |
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Journal article |
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Dams and Reservoirs |
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33 |
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2023 |
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Swansea University |
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1368-1494 1756-8404 |
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10.1680/jdare.22.00085 |
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Thomas Telford Ltd. |
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Faculty of Science and Engineering |
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description |
Geophysics has become a fundamental tool for the characterisation of dam structures and the identification of subsurface defects. However, evolving a geophysical technique to a monitoring solution for observing subsurface water flow is considered an important step to help water companies and governing bodies achieve their aims related to climate resilience, water supply targets and for lengthening the design life of critical infrastructure. The paper shows how monitoring of self-potential voltages using the SPiVolt system developed by TerraDat has successfully mapped water flow through the downstream shoulder of a Victorian-era embankment dam, and how these water flow paths responded to changes in the reservoir level and weather events such as heatwaves and rainfall. The study has also shown the importance of using a multi-technique geophysical survey to provide a wider context and deeper understanding of dam structures. The methodology described in this paper has the potential to not only provide a low-cost solution to monitoring embankment dams but can also be applied to numerous scenarios including landslide investigations, peatlands and flood defences. |
published_date |
2023-03-01T04:21:55Z |
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10.999547 |