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| Namespace | Contents |
|---|---|
ls | This is the namespace used by the grib_ls and bufr_ls tools and has the most commonly used keys e.g. centre, shortName, level, etc |
parameter | Contains keys like paramId, shortName, units which relate to the meteorological parameter |
statistics | Contains keys that relate to the statistics of the data values e.g. maximum, minimum, average, standard deviation, etc |
time | Contains keys that describe the forecast runs e.g. forecast date, validity date, steps, etc |
geography | Contains keys that describe the grid geometry e.g. bounding box of the grid, number of points along with a parallel, etc |
vertical | Contains keys that describe the levels and layers e.g. type of the level, list of coefficients of the vertical coordinate, etc |
mars | Contains the list of MARS (ECMWF's Meteorological Archive and Retrieval System) keywords like class, stream, type, etc |
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The keys in some of these namespaces are shown here:
Parameter
Time
Geography
Vertical
For example you can do this to get a quick glimpse of the range of the field values:
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