# ESMValTool
# recipe_variable_groups.yml
---
documentation:
  description: |
    Example recipe to demonstrate grouping of variables in the diagnostic
    section.

  title: Recipe running various examples of grouping of variables in the diagnostic.

  authors:
    - schlund_manuel

  maintainer:
    - schlund_manuel

  projects:
    - crescendo


preprocessors:

  mask:
    mask_landsea:
      mask_out: sea


ARBITRARY_YAML_ANCHOR: &datasets
  - {dataset: CanESM2}
  - {dataset: IPSL-CM5A-LR}
  - {dataset: MIROC5}
  - {dataset: MPI-ESM-LR}
  - {dataset: NorESM1-M}


diagnostics:

  diag_variable_groups:
    description: Demonstrate the use of variable groups.
    variables:
      tas_1: &variable_settings
        short_name: tas
        project: CMIP5
        mip: Amon
        exp: historical
        ensemble: r1i1p1
        start_year: 2000
        end_year: 2005
        tag: TAS1
        additional_datasets: *datasets
      tas_2:
        <<: *variable_settings
        preprocessor: mask
        tag: TAS2
        additional_datasets:
          - {dataset: ERA-Interim, project: OBS6, type: reanaly, version: 1, tier: 3}
      tas_3:
        <<: *variable_settings
        exp: rcp45
        start_year: 2020
        end_year: 2025
        tag: TAS3
        additional_datasets: *datasets
    scripts: null