Concept
Histogram of backscattering ratio in air over height above reference ellipsoid
| URI | http://vocab.nerc.ac.uk/standard_name/histogram_of_backscattering_ratio_in_air_over_height_above_reference_ellipsoid/ | ||
|---|---|---|---|
| Within Vocab | Climate and Forecast Standard Names | ||
| Definition | Scattering of radiation is its deflection from its incident path without loss of energy. Backwards scattering refers to the sum of scattering into all backward angles i.e. scattering_angle exceeding pi/2 radians. A scattering_angle should not be specified with this quantity. "Backscattering ratio" is the ratio of the quantity with standard name volume_attenuated_backwards_scattering_function_in_air to the quantity with standard name volume_attenuated_backwards_scattering_function_in_air_assuming_no_aerosol_or_cloud. "histogram_of_X[_over_Z]" means histogram (i.e. number of counts for each range of X) of variations (over Z) of X. The data variable should have an axis for X. A reference ellipsoid is a regular mathematical figure that approximates the irregular shape of the geoid. A number of reference ellipsoids are defined for use in the field of geodesy. The geoid is a surface of constant geopotential with which mean sea level would coincide if the ocean were at rest. To specify which reference ellipsoid is being used, a grid_mapping variable should be attached to the data variable as described in Chapter 5.6 of the CF Convention. | ||
| Date | None | ||
| Note | accepted | ||
| modified | 2019-05-14 17:27:19.0 | ||
| Exact Match | http://mmisw.org/ont/cf/parameter/histogram_of_backscattering_ratio_in_air_over_height_above_reference_ellipsoid | ||
| http://vocab.nerc.ac.uk/standard_name/histogram_of_backscattering_ratio_in_air_over_height_above_reference_ellipsoid/ | |||
| P07 Climate and Forecast Standard Names - (2) | |||
| Related | P06:UUUU |
Dimensionless | |
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