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Monitoring tides, currents, and waves along coastal habitats using the Mini Buoy

Cai Ladd Orcid Logo, Alejandra G. Vovides Orcid Logo, Marie‐Christin Wimmler Orcid Logo, Christian Schwarz Orcid Logo, Thorsten Balke Orcid Logo

Limnology and Oceanography: Methods

Swansea University Author: Cai Ladd Orcid Logo

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DOI (Published version): 10.1002/lom3.10631

Abstract

Intertidal habitats are shaped by the actions of tides and waves which are difficult to monitor in shallow water. To address this challenge, the ‘Mini Buoy’ and associated open-source App were recently developed for the low-cost and long-term monitoring of tidal inundation and current velocities sim...

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Published in: Limnology and Oceanography: Methods
ISSN: 1541-5856 1541-5856
Published: Wiley 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa66900
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spelling v2 66900 2024-06-26 Monitoring tides, currents, and waves along coastal habitats using the Mini Buoy 134c870190db4c365e2ccc2d6c107462 0000-0001-5437-6474 Cai Ladd Cai Ladd true false 2024-06-26 BGPS Intertidal habitats are shaped by the actions of tides and waves which are difficult to monitor in shallow water. To address this challenge, the ‘Mini Buoy’ and associated open-source App were recently developed for the low-cost and long-term monitoring of tidal inundation and current velocities simultaneously. The Mini Buoy is a bottom-mounted float that measures tilt to infer near-bed hydrodynamics. Here, we present significant updates to the Mini Buoy and App. Two new Mini Buoy designs were calibrated: the ‘Pendant’ that requires 26 minimal assembly for deployment, and the ‘B4+’ that can also measure wave orbital velocity. Comparisons against industry-standard water level and velocity sensors deployed in the field showed that each new design was effective at detecting tidal inundation (overall accuracy of 86-97%) and current velocities (R2 = 0.73-0.91; accuracies of ±0.14-0.22 m/s; detection limits between 0.02-0.8 m/s). The B4+ could reasonably measure wave orbital velocities (R2 = 0.56; accuracies of ±0.18 m/s; detection limits between 0.02-0.8 m/s). Reducing the sampling rate to prolong survey durations did not markedly reduce the precision of velocity measurements, except in the original Mini Buoy design (uncertainty increased by ±2.11 m/s from 1 to 10 s sampling). The updated App enhances user experience, accepts data from any Mini Buoy design, is suitable for generic use across any tidal setting, and presents multiple options to understand and contrast local hydrodynamic regimes. Improvements to the Mini Buoy designs and App offer greateropportunities in monitoring hydrodynamics for purposes including ecosystem restoration and flood risk management. Journal Article Limnology and Oceanography: Methods 0 Wiley 1541-5856 1541-5856 5 7 2024 2024-07-05 10.1002/lom3.10631 COLLEGE NANME Biosciences Geography and Physics School COLLEGE CODE BGPS Swansea University SU Library paid the OA fee (TA Institutional Deal) Natural Environment Research Council - NERC-NE/W005042/1 UK Research and Innovation - NE/S008926/1 2024-07-10T16:51:20.7925181 2024-06-26T13:30:41.0772544 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Geography Cai Ladd 0000-0001-5437-6474 1 Alejandra G. Vovides 0000-0002-3293-5770 2 Marie‐Christin Wimmler 0000-0002-4542-6764 3 Christian Schwarz 0000-0003-3417-2575 4 Thorsten Balke 0000-0001-7733-5069 5 66900__30872__ab3cae987cb5427081f3529d4ac8faf8.pdf 66900.VoR.pdf 2024-07-10T16:49:08.4101232 Output 1901775 application/pdf Version of Record true © 2024 The Author(s). This is an open access article under the terms of the Creative Commons Attribution License. true eng http://creativecommons.org/licenses/by/4.0/
title Monitoring tides, currents, and waves along coastal habitats using the Mini Buoy
spellingShingle Monitoring tides, currents, and waves along coastal habitats using the Mini Buoy
Cai Ladd
title_short Monitoring tides, currents, and waves along coastal habitats using the Mini Buoy
title_full Monitoring tides, currents, and waves along coastal habitats using the Mini Buoy
title_fullStr Monitoring tides, currents, and waves along coastal habitats using the Mini Buoy
title_full_unstemmed Monitoring tides, currents, and waves along coastal habitats using the Mini Buoy
title_sort Monitoring tides, currents, and waves along coastal habitats using the Mini Buoy
author_id_str_mv 134c870190db4c365e2ccc2d6c107462
author_id_fullname_str_mv 134c870190db4c365e2ccc2d6c107462_***_Cai Ladd
author Cai Ladd
author2 Cai Ladd
Alejandra G. Vovides
Marie‐Christin Wimmler
Christian Schwarz
Thorsten Balke
format Journal article
container_title Limnology and Oceanography: Methods
container_volume 0
publishDate 2024
institution Swansea University
issn 1541-5856
1541-5856
doi_str_mv 10.1002/lom3.10631
publisher Wiley
college_str Faculty of Science and Engineering
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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 Intertidal habitats are shaped by the actions of tides and waves which are difficult to monitor in shallow water. To address this challenge, the ‘Mini Buoy’ and associated open-source App were recently developed for the low-cost and long-term monitoring of tidal inundation and current velocities simultaneously. The Mini Buoy is a bottom-mounted float that measures tilt to infer near-bed hydrodynamics. Here, we present significant updates to the Mini Buoy and App. Two new Mini Buoy designs were calibrated: the ‘Pendant’ that requires 26 minimal assembly for deployment, and the ‘B4+’ that can also measure wave orbital velocity. Comparisons against industry-standard water level and velocity sensors deployed in the field showed that each new design was effective at detecting tidal inundation (overall accuracy of 86-97%) and current velocities (R2 = 0.73-0.91; accuracies of ±0.14-0.22 m/s; detection limits between 0.02-0.8 m/s). The B4+ could reasonably measure wave orbital velocities (R2 = 0.56; accuracies of ±0.18 m/s; detection limits between 0.02-0.8 m/s). Reducing the sampling rate to prolong survey durations did not markedly reduce the precision of velocity measurements, except in the original Mini Buoy design (uncertainty increased by ±2.11 m/s from 1 to 10 s sampling). The updated App enhances user experience, accepts data from any Mini Buoy design, is suitable for generic use across any tidal setting, and presents multiple options to understand and contrast local hydrodynamic regimes. Improvements to the Mini Buoy designs and App offer greateropportunities in monitoring hydrodynamics for purposes including ecosystem restoration and flood risk management.
published_date 2024-07-05T16:51:19Z
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