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Namespace Prefixes

PrefixIRI
dctermshttp://purl.org/dc/terms/
n6http://vocab.nerc.ac.uk/standard_name/sea_surface_swell_wave_from_direction_at_variance_spectral_density_maximum/
dchttp://purl.org/dc/elements/1.1/
n13http://vocab.nerc.ac.uk/collection/P06/current/UAAA/
skoshttp://www.w3.org/2004/02/skos/core#
n12http://vocab.nerc.ac.uk/collection/P07/current/KZRZCYPD/1/
voidhttp://rdfs.org/ns/void#
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
owlhttp://www.w3.org/2002/07/owl#
n8http://vocab.nerc.ac.uk/.well-known/
n2http://vocab.nerc.ac.uk/collection/P07/current/KZRZCYPD/
xsdhhttp://www.w3.org/2001/XMLSchema#
n9http://purl.org/pav/
n10http://mmisw.org/ont/cf/parameter/

Statements

Subject Item
n2:
rdf:type
skos:Concept
owl:versionInfo
1
owl:sameAs
n6: n10:sea_surface_swell_wave_from_direction_at_variance_spectral_density_maximum
skos:prefLabel
sea_surface_swell_wave_from_direction_at_variance_spectral_density_maximum
dcterms:identifier
SDN:P07::KZRZCYPD
dc:identifier
SDN:P07::KZRZCYPD
dcterms:date
2020-02-03 16:02:29.0
skos:definition
The quantity with standard name sea_surface_swell_wave_from_direction_at_variance_spectral_density_maximum is the direction from which the most energetic waves are coming in the swell wave component of a sea. Swell waves are waves on the ocean surface and are the low frequency portion of a bimodal wave frequency spectrum. The spectral peak is the most energetic wave in the wave spectrum partition. The phrase "from_direction" is used in the construction X_from_direction and indicates the direction from which the velocity vector of X is coming. The direction is a bearing in the usual geographical sense, measured positive clockwise from due north. The swell wave directional spectrum can be written as a five dimensional function S(t,x,y,f,theta) where t is time, x and y are horizontal coordinates (such as longitude and latitude), f is frequency and theta is direction. S has the standard name sea_surface_wave_directional_variance_spectral_density. S can be integrated over direction to give S1= integral(S dtheta) and this quantity has the standard name sea_surface_wave_variance_spectral_density.
skos:notation
SDN:P07::KZRZCYPD
skos:altLabel
owl:deprecated
false
skos:note
accepted
void:inDataset
n8:void
skos:related
n13:
n9:authoredOn
2020-02-03 16:02:29.0
n9:hasCurrentVersion
n12:
n9:version
1