Universität Hamburg

Meteorologisches Institut

Universität Hamburg

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Klima - a diagnostic script for PUMA output

 

Klima is a Perl script that uses most of the other software available on this site to generate a comprehensive climatology from a PUMA file.  It outputs one or (by default) two pages of PostScript data, like this:

 

Klima sample, page 1Klima sample, page 2

PostScript version

 

The plots show the following quantities, all of which are time and (if applicable) space means:

  • Page 1:
  • Average surface pressureTemperature and relaxation temperatureZonal windMeridional mass stream functionTransient eddy flux of sensible heatTransient eddy flux of momentumKinetic energy of transient eddies
  • Page 2:
  • Residual mass stream functionDivergence of Eliassen-Palm fluxWavenumber-frequency diagramTeleconnection pattern

Since standing eddies and latent heat fluxes are not calculated, Klima is best suited to zonally symmetric PUMA-1 experiments.  For best results, several years of input data should be given to the program.  However, this will also make the input file for Fluxes very big, so you should make sure your computer supports files larger than two Gigabyte.