include file: CCARBON 3
C*L------------------COMDECK CCARBON------------------------------------   CCARBON.2      
C carbon cycle and vegetation parameters                                   CCARBON.3      
      REAL                                                                 CCARBON.4      
     & M_CO2                      ! molecular weight of CO2                CCARBON.5      
     &,M_AIR                      ! molecular weight of dry air            CCARBON.6      
     &,EPSILON                    ! Ratio of molecular weights of water    CCARBON.7      
!                                 !  and dry air.                          CCARBON.8      
     &,EPCO2                      ! Ratio of molecular weights of CO2      CCARBON.9      
!                                 !  and dry air.                          CCARBON.10     
     &,EPO2                       ! Ratio of molecular weights of O2       CCARBON.11     
!                                 !  and dry air.                          CCARBON.12     
     &,CO2CONV_A2O                ! conversion factor for atmos to         CCARBON.13     
!                                 !  ocean passing of CO2 (mmr to ppmv)    CCARBON.14     
     &,CO2CONV_O2A                ! conversion factor for ocean to         CCARBON.15     
!                                 !  atmos passing of CO2 flux             CCARBON.16     
!                                 !  (mol C/m2/yr to Kg CO2/m2/s)          CCARBON.17     
                                                                           CCARBON.18     
      PARAMETER (M_AIR=28.966, EPCO2=1.5194, M_CO2=M_AIR*EPCO2,            CCARBON.19     
     &           EPSILON = 0.62198, EPO2 = 1.106)                          CCARBON.20     
                                                                           CCARBON.21     
      PARAMETER (CO2CONV_A2O = M_AIR * 1E6 / M_CO2,                        CCARBON.22     
     &           CO2CONV_O2A = M_CO2 * 1e-3 / (360.0 * 24.0 * 3600.0))     CCARBON.23     
C*----------------------------------------------------------------------   CCARBON.24