Concept
Integral wrt time of surface downwelling longwave flux in air
| URI | http://vocab.nerc.ac.uk/standard_name/integral_wrt_time_of_surface_downwelling_longwave_flux_in_air/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Definition | The phrase "integral_wrt_X_of_Y" means int Y dX. The data variable should have an axis for X specifying the limits of the integral as bounds. The phrase "wrt" means with respect to. 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 | ||
| Exact Match | http://mmisw.org/ont/cf/parameter/integral_wrt_time_of_surface_downwelling_longwave_flux_in_air | ||
| http://vocab.nerc.ac.uk/standard_name/integral_wrt_time_of_surface_downwelling_longwave_flux_in_air/ | |||
| P07 Climate and Forecast Standard Names - (2) | |||
| Related | P06:WSMM |
Watt seconds per square metre | |
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