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The table below describes all the requirements for the discrete axes.
| Type | Coordinate Name | Dimension Names | Axis | standard_name | long_name | units | bounds | Controlled vocabulary | Note |
|---|---|---|---|---|---|---|---|---|---|
| char | vegetation_type | vtype | N/A | area_type | N/A | N/A | N/A | The labelled axis is used to identify the vegetation type. The names should be chosen from the list of CF area types | |
C3S: string | realization | str31=31
| E | realization | realization | 1 | N/A | members are not a physical quantity. Realization is a discrete coordinate and the members its categorical values (ordered or non-ordered ones) SPECS approach: rXXiYYpZZ In the current version, the realization coordinate variable doesn't comply with the CF conventions. In future revisions the realization variable will become a discrete axis like the vegetation type |
Time Coordinates
The table below describes the requirements for the Time Coordinates.
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Appendices
Appendix II. Extention Extension of the C3S encoding standards for analysis data