         NAME
              getco2 - get atmospheric CO2 concentration

         SYNOPSIS
              #include "lpj.h"

              Real getco2(const Climate *climate,int  year);

         DESCRIPTION
              Function gets atmospheric CO2 concentration  for specified
              year.  The arguments of getco2 are:

              climate
                   Pointer to climate data. Must be initialized by
                   initclimate().

              year year CO2 data is read.

         RETURN VALUE
              Atmospheric CO2 concentration (ppmv) is returned.

         AUTHORS
              Werner von Bloh (Werner.von.Bloh@pik-potsdam.de), Sibyll
              Schaphoff (Sibyll.Schaphoff@pik-potsdam.de), Stefanie Rost
              (Jachner) (Stefanie.Rost@pik-potsdam.de), Marlies
              Gumpenberger (Marlies.Gumpenberger@pik-potsdam.de), Tim
              Beringer (Erbrecht) (Tim.Beringer@pik-potsdam.de), Christoph
              Mueller (Christoph.Mueller@pik-potsdam.de) Jens Heinke
              (Jens.Heinke@pik-potsdam.de), Hester Biemans
              (Hester.Biemans@wur.nl), Kirsten Thonicke
              (Kirsten.Thonicke@pik-potsdam.de), Ursula Heyder
              (Ursula.Heyder@pik-potsdam.de),

         SEE ALSO
              initclimate(3), freeclimate(3), getclimate(3)