{
    "validation_key": "abrupt-4xCO2",
    "ui_label": "CO2 prescribed to 4 times preindustrial",
    "description": "DECK: abrupt quadrupling of CO2 \n Abrupt increase in CO2 concentration from pre-industrial level to quadrupling",
    "activity": [
        "cmip"
    ],
    "alias": [],
    "end": -999,
    "min_number_yrs_per_sim": 150,
    "minimum_number_of_years": 300,
    "model_realms_additional_allowed": [
        "aer",
        "bgc",
        "chem"
    ],
    "model_realms_required": [
        "aogcm"
    ],
    "parent_experiment": [
        "picontrol"
    ],
    "references": [],
    "start": -999,
    "start_date": "none",
    "tier": 0,
    "@context": "_context",
    "@type": [
        "wcrp:experiment",
        "esgvoc:Experiment",
        "cmip7"
    ],
    "@id": "abrupt-4xco2"
}
