MODULE HCONST_MOD

!-----------------------------------------------------------------------
!     ----- The following are physical constants -----

           REAL,PARAMETER :: AMOLWT   = 28.9644
           REAL,PARAMETER :: CSUBP    = 1.00484E7 
           REAL,PARAMETER :: DIFFCTR  = 1.66
           REAL,PARAMETER :: GRAV     = 980.665 
           REAL,PARAMETER :: GINV     = 1./GRAV 
           REAL,PARAMETER :: GRAVDR   = 980.0
           REAL,PARAMETER :: O3DIFCTR = 1.90 
           REAL,PARAMETER :: P0       = 1013250. 
           REAL,PARAMETER :: P0INV    = 1./P0 
           REAL,PARAMETER :: GP0INV   = GINV*P0INV 
           REAL,PARAMETER :: P0XZP2   = 202649.902 
           REAL,PARAMETER :: P0XZP8   = 810600.098 
           REAL,PARAMETER :: P0X2     = 2.*1013250.
           REAL,PARAMETER :: RADCON   = 8.427
           REAL,PARAMETER :: RADCON1  = 1./8.427
           REAL,PARAMETER :: RATCO2MW = 1.519449738
           REAL,PARAMETER :: RATH2OMW = 0.622 
           REAL,PARAMETER :: RGAS     = 8.3142E7 
           REAL,PARAMETER :: RGASSP   = 8.31432E7
           REAL,PARAMETER :: SECPDA   = 8.64E4 

!-----------------------------------------------------------------------

                  END MODULE HCONST_MOD