# Concept

## magnitude_of_derivative_of_position_wrt_model_level_number

URI | http://vocab.nerc.ac.uk/collection/P07/current/CFV10N16/ | |
---|---|---|

Within Vocab | Climate and Forecast Standard Names | |

Alternative Labels | ||

Definition | The quantity with standard name magnitude_of_derivative_of_position_wrt_model_level_number (known in differential geometry as a "scale factor") is | (dr/dk)ij|, where r(i,j,k) is the vector 3D position of the point with coordinate indices (i,j,k). It is a measure of the gridblock spacing in the z-direction. | |

Date | 2008-10-21T10:00: | |

Identifier | SDN:P07::CFV10N16 | |

Note | accepted | |

Has Current Version | 1 | |

version | 1 | |

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

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

Broader | `P02:AHGT` | Vertical spatial coordinates |

Related | `P06:ULAA` | Metres |

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