This HTML5 document contains 20 embedded RDF statements represented using HTML+Microdata notation.

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Namespace Prefixes

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n2	http://vocab.nerc.ac.uk/standard_name/downwelling_longwave_flux_in_air_assuming_clear_sky/
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n6	http://purl.org/pav/
n14	http://mmisw.org/ont/cf/parameter/
n13	http://vocab.nerc.ac.uk/collection/P06/current/UFAA/

Statements

Subject Item

n2:

rdf:type

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n2: n14:downwelling_longwave_flux_in_air_assuming_clear_sky

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SDN:P07::CFV13N7

dc:identifier

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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. The term "longwave" means longwave radiation. When thought of as being incident on a surface, a radiative flux is sometimes called "irradiance". In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called "vector irradiance". In accordance with common usage in geophysical disciplines, "flux" implies per unit area, called "flux density" in physics. A phrase assuming_condition indicates that the named quantity is the value which would obtain if all aspects of the system were unaltered except for the assumption of the circumstances specified by the condition. "Clear sky" means in the absence of clouds.

skos:notation

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