WIGOS Metadata Standard: Semantic standard and code tables
The tables_en folder contains the up-to-date versions that the TT-WIGOSMD is working on. View mapping of CSV file identifiers to table names and Codes Registry URLs: https://github.com/wmo-im/wmds/blob/master/tables_en/wmdr-tables.csv.
Published code tables can be found at WMO Codes Registry for WIGOS Metadata Representation: https://codes.wmo.int/wmdr.
Manual on Codes, Volume I.3 Part D – Representations derived from data models See chapter FM 241: WMDR