intake xarray observations remote cache

remote_obs_cache.yml

plugins:
  source:
    - module: intake_xarray
sources:
  gistemp:
    description: GISTEMP
    driver: netcdf
    args:
      urlpath: https://data.giss.nasa.gov/pub/gistemp/gistemp1200_GHCNv4_ERSSTv5.nc.gz
      chunks: {'time':'auto'}
      xarray_kwargs:
        combine: nested
    cache:
      - type: compressed
        decomp: gz
        argkey: urlpath

  HadCRUT4:
    description: HadCRUT
    driver: netcdf
    cache:
      - type: file
        argkey: urlpath
    args:
      urlpath: https://crudata.uea.ac.uk/cru/data/temperature/HadCRUT.4.6.0.0.median.nc

  HadISST:
    description: HadISST
    driver: netcdf
    cache:
      - type: compressed
        decomp: gz
        argkey: urlpath
    args:
      urlpath: https://www.metoffice.gov.uk/hadobs/hadisst/data/HadISST_sst.nc.gz
      chunks: {'time': 'auto'}
      xarray_kwargs:
        combine: nested

  HadSST:
    description: HadSST
    driver: netcdf
    cache:
      - type: compressed
        decomp: zip
        argkey: urlpath
    args:
      urlpath: https://www.metoffice.gov.uk/hadobs/hadsst3/data/HadSST.3.1.1.0/netcdf/HadSST.3.1.1.0.median_netcdf.zip
      chunks: {'time':'auto'}
      xarray_kwargs:
        combine: nested

  CSIR-ML6:
    description: CSIR
    driver: netcdf
    cache:
      - type: file
        argkey: urlpath
    args:
      urlpath: https://ndownloader.figshare.com/files/23875943
      chunks: {'time':'auto'}

  SOM_FFN:
    description: Observational time series data
    driver: netcdf
    cache:
      - type: file
        argkey: urlpath
    parameters:
      version:
        description: version release in year
        type: int
        default: 2020
        allowed: [2017,2018,2020]
    metadata:
      plots:
        fgco2_over_time:
          title: SOM-FFN fgco2 over time
          kind: contourf
          x: lon
          y: lat
          z: fgco2_smoothed
          groupby: time
          width: 800
          height: 400
          cmap: RdBu_r
          levels: 20
        fgco2_timeseries_location:
          title: fgco2 timeseries at (lon,lat) location
          kind: line
          x: time
          y: fgco2_smoothed
          groupby: ['lon','lat']
        fgco2_timeseries_latitude:
          title: fgco2 timeseries at latitude
          kind: contourf
          y: time
          x: lon
          z: fgco2_smoothed
          groupby: lat
          levels: 20
    args:
      urlpath: https://data.nodc.noaa.gov/ncei/ocads/data/0160558/MPI_SOM-FFN_v{{version}}/spco2_MPI-SOM_FFN_v{{version}}.nc
      chunks: {'time':'120'}
      xarray_kwargs:
        drop_variables: date