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The following namespaces are available:
| Namespace | Contents |
|---|---|
ls |
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This is the namespace used by the grib_ls and bufr_ls tools and has the most commonly used keys e.g. center, shortName, level, etc | |
parameter |
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| Contains keys like paramId, shortName, units which relate to the meteorological parameter | |
statistics |
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| Contains keys that relate to the statistics of the data values e.g. maximum, minimum, average, standard deviation, etc | |
time |
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| Contains keys that describe the forecast runs e.g. forecast date, validity date, steps, etc | |
geography |
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| Contains keys that describe the grid geometry e.g. bounding box of the grid, number of points along with a parallel, etc | |
vertical |
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| Contains keys that describe the levels and layers e.g. type of the level, list of coefficients of the vertical coordinate, etc | |
mars |
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| Contains the list of MARS (ECMWF's Meteorological Archive and Retrieval System) keywords like class, stream, type, etc |
The contents of a namespace can vary depending on the type of GRIB message, for example the geography namespace will contain the pl key for reduced grids but not for regular grids.
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