Concept
Surface downwelling shortwave flux in air
| URI | http://vocab.nerc.ac.uk/standard_name/surface_downwelling_shortwave_flux_in_air/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| 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. | ||
| Date | None | ||
| Note | accepted | ||
| modified | 2018-07-03 16:09:23.0 | ||
| replaces | surface_downwelling_shortwave_flux | ||
| Broad Match | A05:EV_RADFLX |
Radiative fluxes | |
P02:CSLR |
Solar Radiation | ||
| P04 Global Change Master Directory Science Keywords V5 - (2) | |||
| P64 Global Change Master Directory Science Keywords V6 - (2) | |||
| Exact Match | http://mmisw.org/ont/cf/parameter/surface_downwelling_shortwave_flux_in_air | ||
| http://vocab.nerc.ac.uk/standard_name/surface_downwelling_shortwave_flux_in_air/ | |||
I01:0.4.3 |
Global radiation flux | ||
| P07 Climate and Forecast Standard Names - (2) | |||
| Related | P06:UFAA |
Watts per square metre | |
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