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Observing waterflow within an embankment dam using self-potential monitoring

Jo Hamlyn, Richard John Cottrell, Christian Lloyd Bird, Bernd Kulessa Orcid Logo

Dams and Reservoirs, Volume: 33, Issue: 1, Pages: 19 - 26

Swansea University Author: Bernd Kulessa Orcid Logo

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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...

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Published in: Dams and Reservoirs
ISSN: 1368-1494 1756-8404
Published: Thomas Telford Ltd. 2023
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa62368
first_indexed 2023-01-19T08:42:36Z
last_indexed 2024-11-14T12:20:50Z
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spelling 2024-07-23T16:01:21.1980292 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 BGPS 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 &amp; reservoirs field testing &amp; monitoring site investigation 1 3 2023 2023-03-01 10.1680/jdare.22.00085 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University 2024-07-23T16:01:21.1980292 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 62368__26334__24f9ec4c3f98489da406d6a429ea9919.pdf 62368.pdf 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
author_id_str_mv 52acda616e9f6073cbebf497def874c9
author_id_fullname_str_mv 52acda616e9f6073cbebf497def874c9_***_Bernd Kulessa
author Bernd Kulessa
author2 Jo Hamlyn
Richard John Cottrell
Christian Lloyd Bird
Bernd Kulessa
format Journal article
container_title Dams and Reservoirs
container_volume 33
container_issue 1
container_start_page 19
publishDate 2023
institution Swansea University
issn 1368-1494
1756-8404
doi_str_mv 10.1680/jdare.22.00085
publisher Thomas Telford Ltd.
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Geography{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Geography
document_store_str 1
active_str 0
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 2023-03-01T14:27:22Z
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score 11.247077

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