This HTML5 document contains 25 embedded RDF statements represented using HTML+Microdata notation.

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Namespace Prefixes

Prefix	IRI
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n6	http://vocab.nerc.ac.uk/collection/P04/current/G951/
n8	http://vocab.nerc.ac.uk/collection/P64/current/G951/
n17	http://vocab.nerc.ac.uk/collection/P07/current/CFSN0677/1/
n20	http://vocab.nerc.ac.uk/collection/P07/current/CFSN0677/2/
dc	http://purl.org/dc/elements/1.1/
n18	http://vocab.nerc.ac.uk/collection/P07/current/CFSN0677/3/
skos	http://www.w3.org/2004/02/skos/core#
n16	http://vocab.nerc.ac.uk/collection/P02/current/VSRW/
n2	http://vocab.nerc.ac.uk/collection/P07/current/CFSN0677/
n19	http://vocab.nerc.ac.uk/collection/P06/current/M3SR/
n7	http://vocab.nerc.ac.uk/collection/P04/current/G950/
void	http://rdfs.org/ns/void#
n11	http://vocab.nerc.ac.uk/standard_name/downwelling_photosynthetic_photon_radiance_in_sea_water/
n9	http://vocab.nerc.ac.uk/collection/P64/current/G950/
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owl	http://www.w3.org/2002/07/owl#
n5	http://vocab.nerc.ac.uk/.well-known/
xsdh	http://www.w3.org/2001/XMLSchema#
n12	http://purl.org/pav/
n13	http://mmisw.org/ont/cf/parameter/

Statements

Subject Item

n2:

rdf:type

skos:Concept

owl:versionInfo

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owl:sameAs

n11: n13:downwelling_photosynthetic_photon_radiance_in_sea_water

skos:broader

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skos:prefLabel

downwelling_photosynthetic_photon_radiance_in_sea_water

dcterms:identifier

SDN:P07::CFSN0677

dc:identifier

SDN:P07::CFSN0677

dcterms:date

2018-07-03 16:09:23.0

skos:definition

Downwelling radiation is radiation from above. It does not mean "net downward". The sign convention is that "upwelling" is positive upwards and "downwelling" is positive downwards. Photon radiance is the photon flux in a particular direction, per unit of solid angle. The direction from which it is coming must be specified, for instance with a coordinate of zenith_angle. If the radiation does not depend on direction, a standard name of isotropic radiance should be chosen instead. "Photosynthetic" radiation is the part of the spectrum which is used in photosynthesis e.g. 400-700 nm. The range of wavelengths could be specified precisely by the bounds of a coordinate of radiation_wavelength. A photon flux is specified in terms of numbers of photons expressed in moles.

skos:notation

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owl:deprecated

false

skos:note

accepted

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n12:version

3