\begin{thebibliography}{xx}


\bibitem[CDI]{CDI} \ \\
  \href{https://code.zmaw.de/projects/cdi}
       {Climate Data Interface},
  from the
  \href{http://www.mpimet.mpg.de}
       {Max Planck Institute for Meteorologie}


\bibitem[CM-SAF]{CM-SAF} \ \\
  \href{http://www.cmsaf.eu}
       {Satellite Application Facility on Climate Monitoring},
  from the
  \href{http://www.dwd.de}
       {German Weather Service (Deutscher Wetterdienst, DWD)}


\bibitem[ECHAM]{ECHAM} \ \\
  \href{http://www.mpimet.mpg.de/wissenschaft/publikationen/reports.html}
       {The atmospheric general circulation model ECHAM5},
  from the
  \href{http://www.mpimet.mpg.de}
       {Max Planck Institute for Meteorologie}


\bibitem[GMT]{GMT} \ \\
  \href{http://gmt.soest.hawaii.edu/gmt4/}
       {The Generic Mapping Tool},
  from the School of Ocean and Earth Science and Technology
  (\href{http://www.soest.hawaii.edu/}{SOEST})


\bibitem[GrADS]{GrADS} \ \\
  \href{http://www.iges.org/grads/}
       {Grid Analysis and Display System},
  from the Center for Ocean-Land-Atmosphere Studies
  (\href{http://www.iges.org/cola.html}{COLA})


\bibitem[GRIB]{GRIB} \ \\
  \href{http://www.wmo.ch/web/www/WMOCodes/Guides/GRIB/GRIB1-Contents.html}
       {GRIB version 1},
  from the World Meteorological Organisation
  (\href{http://www.wmo.ch}{WMO})


\bibitem[GRIBAPI]{GRIBAPI} \ \\
  \href{https://software.ecmwf.int/wiki/display/GRIB/Home}
       {GRIB API decoding/encoding},
  from the European Centre for Medium-Range Weather Forecasts
  (\href{http://www.ecmwf.int}{ECMWF})


\bibitem[HDF5]{HDF5} \ \\
  \href{https://www.hdfgroup.org/HDF5}
       {HDF version 5},
  from the HDF Group


\bibitem[INTERA]{INTERA} \ \\
  \href{http://wekuw.met.fu-berlin.de/~IngoKirchner/nudging/nudging}{INTERA Software Package},
  from the
  \href{http://www.mpimet.mpg.de}
       {Max Planck Institute for Meteorologie}


\bibitem[Magics]{Magics} \ \\
  \href{https://software.ecmwf.int/wiki/display/MAGP/Magics}
       {Magics Software Package},
  from the
  \href{https://www.ecmwf.int}
       {European Centre for Medium-Range Weather Forecasts (ECMWF)}

\bibitem[MPIOM]{MPIOM} \ \\
  \href{http://www.mpimet.mpg.de/en/wissenschaft/modelle/mpiom/mpiom-description.html}
       {Ocean and sea ice model},
  from the
  \href{http://www.mpimet.mpg.de}
       {Max Planck Institute for Meteorologie}


\bibitem[NetCDF]{NetCDF} \ \\
  \href{https://www.unidata.ucar.edu/software/netcdf}{NetCDF Software Package},
  from the
  \href{https://www.unidata.ucar.edu}{UNIDATA}
  Program Center of the University Corporation for Atmospheric Research


\bibitem[PINGO]{PINGO} \ \\
  \href{http://www.mad.zmaw.de/Pingo/post/down/BigPingo.pdf}{The PINGO package},
  from the
  \href{http://www.mad.zmaw.de}{Model \& Data group}
  at the Max Planck Institute for Meteorologie


\bibitem[REMO]{REMO} \ \\
  \href{http://www.remo-rcm.de/}{Regional Model},
  from the
  \href{http://www.mpimet.mpg.de}
       {Max Planck Institute for Meteorologie}


\bibitem[Peisendorfer]{Peisendorfer} \ \\
  Rudolph W. Peisendorfer: Principal Component Analysis, Elsevier (1988)


\bibitem[PROJ.4]{PROJ.4} \ \\
  \href{https://github.com/OSGeo/proj.4/wiki}{Cartographic Projections Library},
  originally written by Gerald Evenden then of the USGS.


\bibitem[SCRIP]{SCRIP} \ \\
  \href{http://oceans11.lanl.gov/trac/SCRIP}{SCRIP Software Package},
  from the Los Alamos National Laboratory


\bibitem[szip]{szip} \ \\
  \href{http://www.hdfgroup.org/doc_resource/SZIP}{Szip compression software},
  developed at University of New Mexico.


\bibitem[vonStorch]{vonStorch} \ \\
  Hans von Storch, Walter Zwiers: Statistical Analysis in Climate Research, Cambridge University Press (1999)


\bibitem[YAC]{YAC} \ \\
  \href{https://doc.redmine.dkrz.de/YAC/html}{YAC - Yet Another Coupler Software Package},
  from DKRZ and MPI for Meteorologie

\end{thebibliography}
