Concept
surface_downwelling_shortwave_flux_in_air
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CFSN0275/ |
|---|---|
| Within Vocab | Climate and Forecast Standard Names |
| Preferred Label | surface_downwelling_shortwave_flux_in_air |
| 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. The term "shortwave" means shortwave radiation. Surface downwelling shortwave is the sum of direct and diffuse solar radiation incident on the surface, and is sometimes called "global 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. |
| Same As |
http://mmisw.org/ont/cf/parameter/surface_downwelling_shortwave_flux_in_air I01: Global radiation flux P07: surface_downwelling_shortwave_flux standard_name: Surface downwelling shortwave flux in air |
| Broader |
A05:
Radiative fluxes P02: Solar Radiation P04: EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Radiative Flux P04: EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Shortwave Radiation P64: EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Radiative Flux P64: EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Shortwave Radiation |
| Related |
P06:
Watts per square metre |
| Note | accepted |
| Deprecated | false |
| Alternative Label | |
| Version | 2 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/P07/current/CFSN0275/2/ |
| Authored On | 2018-07-03 16:09:23 |
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