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  • The output files are written through the NetCDF API
  • The NETCDF4 _CLASSIC model will be adopted
  • Recommended compression level deflate=6
  • Shuffling=True
  • Fletcher32=True is strongly recommended

File Structure

  • Each netCDF4 file contains a single output variable (along with coordinate/grid variables, attributes and other metadata) from a single model and a single simulation (i.e., from a single ensemble member and a single start date)
  • There is flexibility in specifying how many time slices (samples) are stored in a single file. A single file can contain all the time-samples for a given variable and climate experiment, or the samples can be distributed in a sequence of files.
  • Recommended maximum file size of 4GB
  • A file containing a hash created with sha256sum should be created for each file

    Code Block
    languagebash
    titleCreate hash files
    sha256sum filename.nc > filename.sha256

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