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

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

Namespace Prefixes

Prefix	IRI
n7	http://vocab.nerc.ac.uk/collection/P06/current/WMSS/
dcterms	http://purl.org/dc/terms/
n8	http://vocab.nerc.ac.uk/collection/P04/current/G951/
n16	http://vocab.nerc.ac.uk/collection/P64/current/G951/
dc	http://purl.org/dc/elements/1.1/
skos	http://www.w3.org/2004/02/skos/core#
n11	http://vocab.nerc.ac.uk/collection/P02/current/VSRW/
n10	http://vocab.nerc.ac.uk/collection/P04/current/G950/
void	http://rdfs.org/ns/void#
n17	http://vocab.nerc.ac.uk/collection/P64/current/G950/
n15	http://vocab.nerc.ac.uk/collection/P07/current/CFSN0288/1/
n19	http://vocab.nerc.ac.uk/collection/P07/current/CFSN0288/2/
rdf	http://www.w3.org/1999/02/22-rdf-syntax-ns#
n18	http://vocab.nerc.ac.uk/collection/P07/current/CFSN0288/3/
n14	http://vocab.nerc.ac.uk/.well-known/
owl	http://www.w3.org/2002/07/owl#
n2	http://vocab.nerc.ac.uk/standard_name/surface_downwelling_photosynthetic_radiance_in_sea_water/
xsdh	http://www.w3.org/2001/XMLSchema#
n12	http://purl.org/pav/
n5	http://mmisw.org/ont/cf/parameter/

Statements

Subject Item

n2:

rdf:type

skos:Concept

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owl:sameAs

n2: n5:surface_downwelling_photosynthetic_radiance_in_sea_water

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surface_downwelling_photosynthetic_radiance_in_sea_water

dcterms:identifier

SDN:P07::CFSN0288

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dcterms:date

2018-07-03 16:09:23.0

skos:definition

The surface called "surface" means the lower boundary of the atmosphere. 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. Radiance is the radiative 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. In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics.

skos:notation

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false

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