include file: comozp.h 2
      integer pozlev
      parameter (pozlev=POZLEV)
!
! Floating point data
!
      common/ozone/ozmixm(plond,pozlev,plat,2),ozmix(plond,pozlev,plat)
      common/ozone/pin(pozlev),cdayozm, cdayozp, cplos, cplol
!
! Pointers to dynamic memory
!
      common/ozone/pozlon, pozlat, pdate_oz, psec_oz

      pointer (pozlon,ozlon)
      pointer (pozlat,ozlat)
      pointer (pdate_oz,date_oz)
      pointer (psec_oz,sec_oz)

      real ozlon(*)      ! Longitude array for bdy dataset values
      real ozlat(*)      ! Latitude array for bdy dataset values
      integer date_oz(*) ! Date on ozone dataset (YYYYMMDD)
      integer sec_oz(*)  ! seconds of date on ozone dataset (0-86399)
!
! Integers
!
      common/ozone/nm, np, oznid
      common/ozone/lonsiz, levsiz, latsiz, timesiz, np1

      real ozmixm     ! O3 mixing ratios interp. in latitude
      real ozmix      ! O3 mixing ratios interp. in time
      real pin        ! O3 pressure values (pascals)
      real cdayozm    ! Calendar day for prv. month O3 values read in
      real cdayozp    ! Calendar day for nxt. month O3 values read in
      real cplos      ! Const for ozone path length calculation
      real cplol      ! Const for pressure-weighted o3 path length calc.
      
      integer nm,np   ! Array indices for prv., nxt month ozone data
      integer oznid   ! netcdf id for ozone variable
      integer lonsiz  ! size of longitude dimension on ozone dataset
      integer levsiz  ! size of level dimension on ozone dataset
      integer latsiz  ! size of latitude dimension on ozone dataset
      integer timesiz ! size of time dimension on ozone dataset
      integer np1     ! current forward time index of ozone dataset