{
  "esmcat_version": "0.1.0",
  "id": "pangeo-cmip6",
  "description": "This is an ESM collection for CMIP6 Zarr data residing in Google Storage.",
  "catalog_file": "https://storage.googleapis.com/cmip6/pangeo-cmip6.csv",
  "attributes": [
    {
      "column_name": "activity_id",
      "vocabulary": "https://raw.githubusercontent.com/WCRP-CMIP/CMIP6_CVs/master/CMIP6_activity_id.json"
    },
    {
      "column_name": "source_id",
      "vocabulary": "https://raw.githubusercontent.com/WCRP-CMIP/CMIP6_CVs/master/CMIP6_source_id.json"
    },
    {
      "column_name": "institution_id",
      "vocabulary": "https://raw.githubusercontent.com/WCRP-CMIP/CMIP6_CVs/master/CMIP6_institution_id.json"
    },
    {
      "column_name": "experiment_id",
      "vocabulary": "https://raw.githubusercontent.com/WCRP-CMIP/CMIP6_CVs/master/CMIP6_experiment_id.json"
    },
    { "column_name": "member_id", "vocabulary": "" },
    {
      "column_name": "table_id",
      "vocabulary": "https://raw.githubusercontent.com/WCRP-CMIP/CMIP6_CVs/master/CMIP6_table_id.json"
    },
    { "column_name": "variable_id", "vocabulary": "" },
    {
      "column_name": "grid_label",
      "vocabulary": "https://raw.githubusercontent.com/WCRP-CMIP/CMIP6_CVs/master/CMIP6_grid_label.json"
    },
    {
      "column_name": "version",
      "vocabulary": ""
    },
    {
      "column_name": "dcpp_start_year",
      "vocabulary": ""
    }
  ],
  "assets": {
    "column_name": "zstore",
    "format": "zarr"
  },
  "aggregation_control": {
    "variable_column_name": "variable_id",
    "groupby_attrs": [
      "activity_id",
      "institution_id",
      "source_id",
      "experiment_id",
      "table_id",
      "grid_label"
    ],
    "aggregations": [
      {
        "type": "union",
        "attribute_name": "variable_id"
      },

      {
        "type": "join_new",
        "attribute_name": "member_id",
        "options": { "coords": "minimal", "compat": "override" }
      },
      {
        "type": "join_new",
        "attribute_name": "dcpp_init_year",
        "options": { "coords": "minimal", "compat": "override" }
      }
    ]
  }
}