Concept
surface_upwelling_longwave_flux_in_air_assuming_clear_sky
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CFSN0236/ | |
|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | |
| Alternative Labels | ||
| Definition | The surface called "surface" means the lower boundary of the atmosphere. Upwelling radiation is radiation from below. It does not mean "net upward". 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. | |
| Date | 2018-07-03T16:09:23 | |
| Identifier | SDN:P07::CFSN0236 | |
| Note | accepted | |
| Has Current Version | 2 | |
| Version | 1 | |
| replaces | surface_upwelling_longwave_flux_assuming_clear_sky | |
| version | 2 | |
| Same As | http://vocab.nerc.ac.uk/standard_name/surface_upwelling_longwave_flux_in_air_assuming_clear_sky/ | |
P07:CFSNA037 | surface_upwelling_longwave_flux_assuming_clear_sky | |
| http://mmisw.org/ont/cf/parameter/surface_upwelling_longwave_flux_in_air_assuming_clear_sky | ||
| Broader | P64:G206 | EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation |
P02:LWRD | Long-wave radiation | |
P04:G206 | EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation | |
P64:G209 | EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation | |
P04:G209 | EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Outgoing Longwave Radiation | |
| Related | P06:UFAA | Watts per square metre |
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