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Cdo

May 26, 2018

Climate Data Operators

CDO is a collection of command line Operators to manipulate and analyse Climate model Data. Supported file formats are GRIB, netCDF, SERVICE, EXTRA and IEG. There are more than 250 operators available. The following table gives a short overview about the main categories.

  • File information info, sinfo, diff, …
  • File operations copy, cat, merge, split*, …
  • Selection selcode, selvar, sellevel, seltimestep, …
  • Missing values setctomiss, setmisstoc, setrtomiss
  • Arithmetic add, sub, mul, div, …
  • Mathematical functions sqrt, exp, log, sin, cos, …
  • Comparision eq, ne, le, lt, ge, gt, …
  • Conditions ifthen, ifnotthen, ifthenc, ifnotthenc
  • Field statistic fldsum, fldavg, fldstd, fldmin, fldmax, …
  • Vertical statistic vertsum, vertavg, vertstd, vertmin, …
  • Time range statistic timavg, yearavg, monavg, dayavg, …
  • Ensemble statistic enssum, ensavg, ensstd, ensmin, …
  • Regression detrend
  • Field interpolation remapbil, remapcon, remapdis, …
  • Vertical interpolation ml2pl, ml2hl
  • Time interpolation inttime, intyear

WWW https//code.mpimet.mpg.de/projects/cdo