Concept
Surface downwelling longwave flux in air
URI | http://vocab.nerc.ac.uk/standard_name/surface_downwelling_longwave_flux_in_air/ | ||
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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 "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 | None | ||
Note | accepted | ||
modified | 2018-07-03 16:09:23.0 | ||
replaces | surface_downwelling_longwave_flux | ||
Broad Match | 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 | ||
Exact Match | http://mmisw.org/ont/cf/parameter/surface_downwelling_longwave_flux_in_air | ||
http://vocab.nerc.ac.uk/standard_name/surface_downwelling_longwave_flux_in_air/ | |||
P07 Climate and Forecast Standard Names - (2) | |||
Related | P06:UFAA |
Watts per square metre |
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