# Concept^{DEPRECATED}

## histogram_of_backscattering_ratio_over_height_above_reference_ellipsoid

URI | http://vocab.nerc.ac.uk/collection/P07/current/CF12N209/ | |
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Within Vocab | Climate and Forecast Standard Names | |

Alternative Labels | ||

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 | 2019-05-14T17:27:21 | |

Identifier | SDN:P07::CF12N209 | |

Note | deprecated | |

Has Current Version | 3 | |

Version | 1 | |

2 | ||

version | 3 | |

Same As | http://vocab.nerc.ac.uk/standard_name/histogram_of_backscattering_ratio_over_height_above_reference_ellipsoid/ | |

`P07:RSLGQH3R` | histogram_of_backscattering_ratio_in_air_over_height_above_reference_ellipsoid | |

http://mmisw.org/ont/cf/parameter/histogram_of_backscattering_ratio_over_height_above_reference_ellipsoid | ||

Broader | `P64:G213` | EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Scattering |

`P04:G213` | EARTH SCIENCE > Atmosphere > Atmospheric Radiation > Scattering | |

Related | `P06:UUUU` | Dimensionless |

`P02:RBSC` | Radar backscatter |

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