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PREFIX : <https://catalogue.ceh.ac.uk/id/>
:bdd3b831-0f66-4593-a141-dee0784145e1
dcterms:title "Development and calibration data of the B4+ Mini Buoy design" ;
dcterms:identifier "https://catalogue.ceh.ac.uk/id/bdd3b831-0f66-4593-a141-dee0784145e1","https://doi.org/10.5285/bdd3b831-0f66-4593-a141-dee0784145e1" ;
dcterms:bibliographicCitation "Ladd, C., Balke, T., Vovides, A., Christin-Wimmler, M., Schwarz, C. (2026). Development and calibration data of the B4+ Mini Buoy design. NERC EDS Environmental Information Data Centre. https://doi.org/10.5285/bdd3b831-0f66-4593-a141-dee0784145e1" ;
dcterms:description "This dataset contains acceleration data for seven 'Mini Buoys' (low-cost open-source bottom-mounted float sensors for measuring inundation duration, current velocity, and wave orbital velocity from acceleration data) and local water levels used in a pilot study to determine the effect of weight and tether length on the sensitivity of the B4+ Mini Buoy to detecting hydrodynamics. Additional datasets provided are used for deriving near-bottom wave orbital velocities using two methods: linear wave theory and direct velocity measurements. Both methods were then used to compare calibrations between velocity and acceleration data gathered by low-cost and open-source bottom-mounted floats called 'Mini Buoys'. The dataset contains water velocity data gathered by Acoustic Doppler Velocimeters, and acceleration data gathered from the B4+ Mini Buoy design. Furthermore, a dataset is provided for Mini Buoy calibration, which uses the drag-tilt principle to infer hydrodynamics from acceleration data. The dataset contains acceleration data gathered from three 'Mini Buoy' designs ('B4', 'B4+', and 'Pendant'), alongside water level, current velocity, and wave orbital velocity measured from a range of commercially-available sensors, in order to build calibration curves for inferring hydrodynamics from acceleration data." ;
dcterms:provenance [
a dcterms:ProvenanceStatement ;
rdfs:label "Nine B4+ Mini Buoys, each sampling acceleration values along the y-axis at 1 Hz, were deployed adjacent to a water level (pressure) logger (In-Situ Rugged TROLL 100) on the tidal flat in front of Caerlaverock saltmarsh, Solway Firth, Scotland (54°58'05'N, 3°31'58'W) between the 15th and 24th of September 2020. Prior to deployment and after retrieving them, the loggers were inserted into a bucket of water for 1 minute to determine logger position in the tube. Each logger was fitted with different weights of ballast and different tether lengths. The pressure logger was set to sample at 1-minute intervals. Unfortunately, two loggers were lost during the deployment. Data to build a calibration between wave orbital velocity and acceleration was gathered at Caerlaverock, Scotland (54°58′05′′ N, 3°31′58′′ W) and Black Scar, Wales (51°45′54′′ N, 4°26′12′′ W). Data to build a calibration between hydrodynamics (inundation duration, current velocity, and wave orbital velocity) and acceleration was gathered at Percut Sei Tuan, Indonesia (3°43′22′′ N, 98°46′15′′ E), Caerlaverock, Scotland (54°58′05′′ N, 3°31′58′′ W), Black Scar, Wales (51°45′54′′ N, 4°26′12′′ W), and Skinflats, Scotland (56°03′22′′ N, 3°43′60′′ W) for three designs: the 'B4', 'B4+', and 'Pendant'. Please refer to the metadata sheet for further details of data collection and processing."
] ;
dcterms:spatial [
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dcat:bbox "POLYGON((-8.648 49.864, -8.648 60.861, 1.768 60.861, 1.768 49.864, -8.648 49.864))"^^geo:wktLiteral ;
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dcterms:temporal
[ a dcterms:PeriodOfTime ;
dcat:startDate "2020-09-15"^^xsd:date ;
dcat:endDate "2020-09-24"^^xsd:date ;
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:bdd3b831-0f66-4593-a141-dee0784145e1_c0 ;
dcterms:publisher
<https://ror.org/04xw4m193> ;
dcterms:subject
<http://onto.nerc.ac.uk/CEHMD/topic/7>,
<http://onto.nerc.ac.uk/CEHMD/topic/13>,
"Mini-buoy",
"Low-cost sensor",
"Calibration",
"Inundation duration",
"Current velocity",
"Wave orbital velocity",
"Acoustic Doppler Velocimeter",
"Linear wave theory",
"Representative bottom orbital velocity" ;
prov:wasGeneratedBy
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a dcat:Dataset;
dcterms:type dcmitype:Dataset ;
dcterms:available "2026-05-28"^^xsd:date ;
dcat:landingPage <https://catalogue.ceh.ac.uk/id/bdd3b831-0f66-4593-a141-dee0784145e1>, <https://doi.org/10.5285/bdd3b831-0f66-4593-a141-dee0784145e1> ;
dcterms:license <https://spdx.org/licenses/OGL-UK-3.0.ttl>
;
dcterms:accessRights <http://vocab.nerc.ac.uk/collection/N07/current/UNRS/> ;
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<http://onto.nerc.ac.uk/CEHMD/topic/7>,
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dcterms:creator
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<https://orcid.org/0000-0001-7733-5069>,
<https://orcid.org/0000-0002-3293-5770>,
<https://orcid.org/0000-0002-4542-6764>,
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:bdd3b831-0f66-4593-a141-dee0784145e1_c0 a foaf:Person ;
foaf:name "Cai Ladd" ;
vcard:hasEmail "c.j.t.ladd@swansea.ac.uk" ;
foaf:member <https://ror.org/053fq8t95> ;
.
<https://ror.org/04xw4m193> a foaf:Organization ;
foaf:name "NERC EDS Environmental Information Data Centre" ;
vcard:hasEmail "info@eidc.ac.uk" ;
foaf:member <https://ror.org/04xw4m193> ;
.
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foaf:name "Ladd, C." ;
foaf:familyName "Ladd" ;
foaf:givenName "Cai" ;
vcard:hasEmail "c.j.t.ladd@swansea.ac.uk" ;
foaf:member <https://ror.org/053fq8t95> ;
.
<https://orcid.org/0000-0001-7733-5069> a foaf:Person ;
foaf:name "Balke, T." ;
foaf:familyName "Balke" ;
foaf:givenName "Thorsten" ;
vcard:hasEmail "thorsten.balke@uni-oldenburg.de" ;
foaf:member [foaf:name "University of Oldenburg"] ;
.
<https://orcid.org/0000-0002-3293-5770> a foaf:Person ;
foaf:name "Vovides, A." ;
foaf:familyName "Vovides" ;
foaf:givenName "Alejandra" ;
vcard:hasEmail "alejandra.vovides@glasgow.ac.uk" ;
foaf:member <https://ror.org/00vtgdb53> ;
.
<https://orcid.org/0000-0002-4542-6764> a foaf:Person ;
foaf:name "Christin-Wimmler, M." ;
foaf:familyName "Christin-Wimmler" ;
foaf:givenName "Marie" ;
vcard:hasEmail "marie-christin.wimmler@tu-dresden.de" ;
foaf:member [foaf:name "Dresden University"] ;
.
<https://orcid.org/0000-0003-3417-2575> a foaf:Person ;
foaf:name "Schwarz, C." ;
foaf:familyName "Schwarz" ;
foaf:givenName "Christian" ;
vcard:hasEmail "christian.schwarz@kuleuven.be" ;
foaf:member <https://ror.org/05f950310> ;
.
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skos:prefLabel "Environmental survey"; rdfs:label "Environmental survey"
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skos:prefLabel "Modelling"; rdfs:label "Modelling"
.
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foaf:name "Swansea University" .
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foaf:name "University of Glasgow" .
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foaf:name "KU Leuven" .
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