Concept
surface_downwelling_longwave_flux_in_air
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CFSN0279/2/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Alternative Labels | |||
| 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 "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. | ||
| Date | 2018-07-03T16:09:23 | ||
| Identifier | SDN:P07::CFSN0279 | ||
| Note | accepted | ||
| Is Version Of | CFSN0279 | ||
| Previous Version | 1 | ||
| replaces | surface_downwelling_longwave_flux | ||
| version | 2 | ||
| Same As | P07:CFSNA041 |
surface_downwelling_longwave_flux | |
| MMI | http://mmisw.org/ont/cf/parameter/surface_downwelling_longwave_flux_in_air | ||
| CF | http://vocab.nerc.ac.uk/standard_name/surface_downwelling_longwave_flux_in_air/ | ||
| Broader | P04:G206 |
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation | |
P64:G206 |
EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation | ||
P02:LWRD |
Long-wave radiation | ||
A05:EV_RADFLX |
Radiative fluxes | ||
| Related | P06:UFAA |
Watts per square metre | |
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