Concept
downwelling_longwave_flux_in_air
| URI | http://vocab.nerc.ac.uk/collection/P07/current/CFSN0699/ | |
|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | |
| Alternative Labels | ||
| 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. | |
| Date | 2018-07-03T16:09:23 | |
| Identifier | SDN:P07::CFSN0699 | |
| Note | accepted | |
| Has Current Version | 2 | |
| Version | 1 | |
| version | 2 | |
| Same As | http://vocab.nerc.ac.uk/standard_name/downwelling_longwave_flux_in_air/ | |
| http://mmisw.org/ont/cf/parameter/downwelling_longwave_flux_in_air | ||
| Broader | P64:G206 | EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation |
P02:LWRD | Long-wave radiation | |
P04:G206 | EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Longwave Radiation | |
| Related | P06:UFAA | Watts per square metre |
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