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Monitoring tides, currents, and waves along coastal habitats using the Mini Buoy
Limnology and Oceanography: Methods
Swansea University Author:
Cai Ladd
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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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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 0 0 0001-01-01 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 2024-07-03T14:15:35.7788524 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 2 Marie-Christin Wimmler 3 Christian Schwarz 4 Thorsten Balke 5 |
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 |
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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 |
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Journal article |
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Limnology and Oceanography: Methods |
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Swansea University |
doi_str_mv |
10.1002/lom3.10631 |
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Faculty of Science and Engineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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School of Biosciences, Geography and Physics - Geography{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Geography |
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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 |
0001-01-01T14:15:34Z |
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1803563863323443200 |
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11.014358 |