{
    "3hr": "atmosphere sampled every 3 hours",
    "6hrLev": "6-hourly data on atmospheric model levels",
    "6hrPlev": "6-hourly atmospheric data on pressure levels (time mean)",
    "6hrPlevPt": "6-hourly atmospheric data on pressure levels (instantaneous)",
    "AERday": "Daily atmospheric chemistry and aerosol data",
    "AERfx": "Fixed atmospheric chemistry and aerosol data",
    "AERhr": "Hourly atmospheric chemistry and aerosol data",
    "AERmon": "Monthly atmospheric chemistry and aerosol data",
    "AERmonZ": "Monthly atmospheric chemistry and aerosol data",
    "Amon": "Monthly atmospheric data",
    "CF3hr": "3-hourly associated with cloud forcing",
    "CFday": "Daily data associated with cloud forcing",
    "CFmon": "Monthly data associated with cloud forcing",
    "CFsubhr": "Diagnostics for cloud forcing analysis at specific sites",
    "E1hr": "Hourly Atmospheric Data (extension)",
    "E1hrClimMon": "Diurnal Cycle",
    "E3hr": "3-hourly (time mean: extension)",
    "E3hrPt": "3-hourly (instantaneous: extension)",
    "E6hrZ": "6-hourly Zonal Mean (extension)",
    "Eday": "Daily (time mean: extension)",
    "EdayZ": "Daily Zonal Mean (extension)",
    "Efx": "Fixed (extension)",
    "Emon": "Monthly (time mean: extension)",
    "EmonZ": "Monthly zonal means (time mean: extension)",
    "Esubhr": "Sub-hourly (extension)",
    "Eyr": "Daily (time mean: extension)",
    "IfxAnt": "Fixed fields on the Antarctic ice sheet",
    "IfxGre": "Fixed fields on the Greenland ice sheet",
    "ImonAnt": "Monthly fields on the Antarctic ice sheet",
    "ImonGre": "Monthly fields on the Greenland ice sheet",
    "IyrAnt": "Annual fields on the Antarctic ice sheet",
    "IyrGre": "Annual fields on the Greenland ice sheet",
    "LImon": "Monthly fields for the terrestrial cryosphere",
    "Lmon": "Monthly land surface and soil model fields",
    "Oclim": "Monthly climatologies of ocean data",
    "Oday": "Daily ocean data",
    "Odec": "Decadal ocean data",
    "Ofx": "Fixed ocean data",
    "Omon": "Monthly ocean data",
    "Oyr": "Annual ocean variables",
    "SIday": "Daily sea-ice data",
    "SImon": "Monthly sea-ice data",
    "day": "Daily Data (extension - contains both atmospheric and oceanographic data)",
    "fx": "Fixed variables"
}